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| ltc6804-1/ LTC6804-2 1 680412fa ?|1 ? * www.linear.com.cn/ltc6804-1 je\ e?ye? \9 v? ltc6820 ltc6804-1 mpu ip ? ? ? ? ? ? ? ? spi im ipa ima 680412 ta01a ipb imb ltc6804-1 ima ipa ilp ipb imb ltc6804-1 ima ipb imb ipa 12s1p + + + + + + temperature (c) ?50 measurement error (mv) 1.5 25 680412 ta01b 0 ?1.0 ?25 0 50 ?1.5 ?2.0 2.0 1.0 0.5 ?0.5 75 100 125 cell voltage = 3.3v 5 typical units $ ? ? ? ?: 12 hle?ye ? <v? ??5 ;?he? ? ?? isospi? ?y j c 1mbps ^n | c ?\ p t d?: 100 c- emi ? qg? ? 1.2mv e}< ? ?? ? 290 s ???? u??te?y ? ? ? ?yeqet ? ? ? h? ?g ??j*?y 16 # ? ] ( ? ) adc ? ? iso 26262 z_y? u? ? ? h ????y ? e?e ?;e ? 5 h \yp? i/o e|yi] j c]ei a ?i] c ???sh i 2 c e spi ? ?? ? 4 a = g|euet ? 48 ?? ssop e \ ? e ?? ? b? ? e?? u ? ec ? ? ? ?s \ ltc ? 6804 j kgte?ye? \9 v? d ? ? : 12 h ?e?ye(ht-? 1.2mv y< ? ?? f 0v 5v ye? ? ? 4 ltc6804 ?}pa \e?yg?o f?t 12 e?ye 290 s ??? ? ? d(o?0-yp? ? ? o ?? $ ?j s f ?ah ltc6804 ?? ? ?8 dat ?s?y ee??? $e?y??9 v fh ltc6804 ht sh isospi ?y d\?? $ o e rf ??y? 9 | f4\ ltc6804-1 ? dh?? ?\ @ 1 ? d? t?? ?\s? ? #? ?t ft4\ LTC6804-2 ? d h??(l 1 ?? ? #? dth?? ?h9 0g f i $? <e?e ?y ? ;e esh??y 5v ?q 5 \y i/o t f= g|? det ? ? 4 a f ltc6804 \ ?_e?esh^neu6e f e lt e ltc e ltm e linear technology q linear z?jwb' $?!y w z d isospi jwb' $?!y z f?ti zi?i1tky *? f < ? ??~]y? (5 hj?? ) ltc6804-1/ LTC6804-2 2 f} ?|1 ? * www.linear.com.cn/ltc6804-1 $? ........................................................ 1 e\ ......................................................... 1 je\ ................................................... 1 \ ........................................................ 1 e}x?= ........................................... 3 ?? ?? ................................................... 3 ?|1 ................................................... 4 e $ ..................................................... 4 ?? ? .................................................. 17 ? .................................................... 18 ?*a # .................................................. 20 k? ................................................................. 20 ltc6804 ?k \ ......................................... 20 isospi k \ ................................................... 21 ? ..................................................................... 21 adc * ............................................................. 21 p? ? ?? u b ................................................. 26 ??nq ?e??? ....................................... 30 ltc6804 j ?\ gpio y i 2 c/spi ? ?? ............. 31 ?y? ......................................................... 35 ,t. ?y (spi) j #4 ......................... 35 gt^n ?y (isospi) j #4 ........................ 36 p?)4 ........................................................... 41 c 4 ................................................................. 41 ??7 .............................................................. 52 yt? ................................................. 56 y?eu? .......................................... 56 ?^neu ....................................................... 57 ?_. ?] ??|1 .......................................... 57 # ?? ? ?ypf ............................................. 58 ? ?-? ? ....................................................... 58 e?q gpio i]y* ....................................... 58 ;\? ? mosfet ?e?;e ........................... 60 ;\. ? mosfet ?e?;e ........................... 60 e? ? ? ? ?ye ?s ....................................... 60 ? sq@?? e ............................................. 61 _;ee)y, ............................................. 61 ;\sh?'?e a ? ?et ? ? ................... 64 ;\shte?? ?et ? ? ......................... 64 ?\ ltc6804 9 ve?pf ?? 12 ye? \ ................................................. 65 ?sh pcb j 1 ?h ltc6804-1 ................... 65 ;\ isospi p?) zsh mcu 1 ? sh ltc6804 ................................................... 65 ? isospi )? ?? LTC6804-2 ............... 67 ?o?8 .................................................... 68 \ .................................................. 72 l ?} .................................................. 73 je\ .................................................. 74 ??? .................................................. 74 680412fa 3 e}x?= ( ! 1) ?? ?? ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 <eue v + v ? .............................................. 75v i]e ( ? v ? ) c0 ..................................................... ?0.3v 0.3v c12 .................................................... ?0.3v 75v c(n) ............................... ?0.3v e? (8 ? n d 75v) s(n) ............................... ?0.3v e? (8 ? n d 75v) ipa d ima d ipb d imb ............ ?0.3v v reg + 0.3v drive ?? ........................................... ?0.3v 7v ?ti?? ........................................ ?0.3v 6v i]? ?ye ( ! 2) c(n) c(n ? 1) ................................... ?0.3v 8v s(n) c(n ? 1) ................................... ?0.3v 8v c12 c8 ........................................... ?0.3v 25v c8 c4 ............................................. ?0.3v 25v c4 c0 ............................................. ?0.3v 25v t] / t??yet ?t?? (v reg d ipa d ima d ipb d imb d s(n) e. ) ............................................. 10ma ipa d ima d ipb d imb ..................................... 30ma ?*] ltc6804i ......................................... ?40c 85c ltc6804h ........... ........................... ?40c 125c ??] ltc6804i ......................................... ?40c 85c ltc6804h ...................................... ?40c 125c ] ................................................................... 150c g] ............................................. ?65c 150c ??] ( ?? ? 10 ? ) .................................. 300c 680412fa ltc6804-1 LTC6804-2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 top view g package 48-lead plastic ssop 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 ipb imb icmp ibias sdo (nc)* sdi (nc)* sck (ipa)* csb (ima)* isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ?** gpio3 gpio2 gpio1 c0 s1 t jmax = 150c, ja = 55c/w *the function of these pins depends on the connection of isomd isomd tied to v ? : csb, sck, sdi, sdo isomd tied to v reg : ima, ipa, nc, nc **this pin must be connected to v ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 top view g package 48-lead plastic ssop 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 a3 a2 a1 a0 sdo (ibias)* sdi (icmp)* sck (ipa)* csb (ima)* isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ?** gpio3 gpio2 gpio1 c0 s1 t jmax = 150c, ja = 55c/w *the function of these pins depends on the connection of isomd isomd tied to v ? : csb, sck, sdi, sdo isomd tied to v reg : ima, ipa, icmp, ibias **this pin must be connected to v ? ltc6804-1/ LTC6804-2 4 ?|1 adc dc ?? ? ?k adc ee ( ! 2) adc # b? ( ! 2) z_|?y< ? ?? (tme) c(n) c(n ? 1) d gpio(n) v ? = 0 c(n) c(n ? 1) = 2.0 c(n) c(n ? 1) d gpio(n) v ? = 2.0 c(n) c(n ? 1) = 3.3 c(n) c(n ? 1) d gpio(n) v ? = 3.3 c(n) c(n ? 1) = 4.2 c(n) c(n ? 1) d gpio(n) v ? = 4.2 c(n) c(n ? 1) d gpio(n) v ? = 5.0 e?<q ? ?] d t = e} ??] v reg ?? v ref2 ?? p?eue v regd 0.1 0.1 0.01 0.02 0.2 0.1 0.2 0.3 1 0.2 5 0.1 0.02 0.1 0.8 1.4 1. 2 2.2 1.6 2.8 0.75 0.25 0.1 1 mv/ mv % % mv mv mv mv mv mv mv mv % c % % % ?|1 ? * www.linear.com.cn/ltc6804-1 q 4 ltc6804ig-1#pbf ltc6804hg-1#pbf ltc6804ig-2#pbf ltc6804hg-2#pbf \ m ltc6804ig-1#trpbf ltc6804hg-1#trpbf ltc6804ig-2#trpbf ltc6804hg-2#trpbf ??z ? * ltc6804g-1 ltc6804g-1 ltc6804g-2 ltc6804g-2 \ 48 ?? ?? ssop 48 ?? ?? ssop 48 ?? ?? ssop 48 ?? ?? ssop ] ?40c 85c ?40c 125c ?40c 85c ?40c 125c ? ???*] ?1y?? dwb' $?! f * ] t ? jyz? f t?z_^q 4??y|1 dwb' $?! f ? ?t? q??z ?y|1 d ?} j http://www.linear.com.cn/leadfree/ ? ?t?\ m ??y|1 d ?} j http://www.linear.com.cn/tapeandreel/ e $ mz! ? ?j8zg?h?*] di? ?8 t a = 25c f ? a?? v + = 39.6v d v reg = 5.0v d e $9 ! f l? p a? e?= j= e}= 680412fa 5 *|?y< ? ?? (tme) c(n) c(n ? 1) d gpio(n) v ? = 0 mv c(n) c(n ? 1) = 2.0 mv c(n) c(n ? 1) d gpio(n) v ? = 2.0 mv c(n) c(n ? 1) = 3.3 mv c(n) c(n ? 1) d gpio(n) v ? = 3.3 mv c(n) c(n ? 1) = 4.2 mv c(n) c(n ? 1) d gpio(n) v ? = 4.2 mv c(n) c(n ? 1) d gpio(n) v ? = 5.0 mv e?<q % ? ?] d t = e} ??] c v reg ?? % v ref2 ?? % p?eue v regd % ? o|?y< ? ?? (tme) c(n) c(n ? 1) d gpio(n) v ? = 0 mv c(n) c(n ? 1) d gpio(n) v ? = 2.0 m v c(n) c(n ? 1) d gpio(n) v ? = 3.3 mv c(n) c(n ? 1) d gpio(n) v ? = 4.2 mv c(n) c(n ? 1) d gpio(n) v ? = 5.0 mv e?<q % ? ?] d t = e} ??] c v reg ?? % v ref2 ?? % p?eue v regd % i] c(n) d n = 1 12 v c0 gpio(n) d n = 1 5 v i l ji] ? ? ??yi] et c(n) d n = 0 12 na gpio(n) d n = 1 5 na i] ? ? ??yi]et c(n) d n = 0 12 a gpio(n) d n = 1 5 a ?t ?) ? ? ?yi]et a ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 e $ mz! ? ?j8zg?h?*] di? ?8 t a = 25c f ? a?? v + = 39.6v d v reg = 5.0v d e $9 ! f l? p a? c(n ? 1) 0 70 e?= 0.1 0.1 0.2 0.3 1 0.2 5 0.1 0.02 0.1 2 10 0.3 5 0.3 0.1 0.2 0 10 10 2 2 100 j= 0.8 1.4 1.2 2.2 1.6 2.8 0.75 0.25 0.1 1 4 4.7 8.3 1 1 0.25 2 c(n ? 1) + 5 5 250 250 130 e}= 680412fa ltc6804-1/ LTC6804-2 6 e ?_ ?? v ref1 ks ?_e v ref1 ?? d 1 v ks ?_e tc v ref1 ?? d 1 ppm/c ks ?_ep v ref1 ?? d 1 ppm ks ?_? ? e v ref1 ?? d 1 v ref2 kz ?_e v ref2 ?? d 1 v v ref2 ?? d 5k 1 v ? v kz ?_e tc v ref2 ?? d 1 ppm/c kz ?_ep v ref2 ?? d 1 ppm kz ?_? ? e v ref2 ?? d 1 s ? dc ?? i vp v + euet ( ? 1 j ltc6804 ?*kj? ) k j? = sleep d isospi = idle v reg = 0v a v reg = 0v a v reg = 0v a a a a a a a a v reg = 0v k j? = standby k j? = refup e measure ma ma i reg(core) v reg euet ( ? 1 j ltc6804 ?*kj? ) k j? = sleep d isospi = idle v reg = 5v k j? = standby k j? = refup ma ma k j? = measure ma ma i reg(isospi) x.y v reg euet ( ?? isospi ?? ready/active k ) ! j active ket ? t clk = 1 s d ( ! 3) LTC6804-2 j isomd = 1 d r b1 + r b2 = 2k ready ma active ma ltc6804-1 j isomd = 0 d r b1 + r b2 = 2k ready ma active ma ltc6804-1 j isomd = 1 d r b1 + r b2 = 2k ready ma active ma LTC6804-2 j isomd = 1 d r b1 + r b2 = 20k ready ma active ma ltc6804-1 j isomd = 0 d r b1 + r b2 = 20k ready ma active ma ltc6804-1 j isomd = 1 d r b1 + r b2 = 20k ready ma active ma ?|1 ? * www.linear.com.cn/ltc6804-1 e $ mz! ? ?j8zg?h?*] di? ?8 t a = 25c f ? a?? v + = 39.6v d v reg = 5.0v d e $9 ! f l? p a? 3.1 2.990 2.988 18 10 0.4 0.375 10 6 0.2 0.15 10.8 10.7 3.9 5.1 3.7 5.7 6.5 10.2 1.3 1.6 1.1 1.5 2.1 2.7 e?= 3.2 3 20 20 3 3 10 100 60 3.8 3.8 1.6 1.6 32 32 0.55 0.55 2.2 2.2 35 35 0.45 0.45 11.5 11.5 4.8 6.1 4.6 6.8 7.8 11.3 2.1 2.5 1.9 2.3 3.3 4.1 j= 3.3 3 .010 3.012 6 10 3 5 50 60 0.7 0.725 4 6 60 65 0.7 0.75 12.2 12.3 5.8 7.3 5.6 8.1 9.5 13.3 3 3.5 2.8 3.3 4.9 5.8 e}= v reg = 5v ppm/ khr ppm/ khr 680412fa 7 v + eue tme ?? ( ! 6) v v reg v reg eue tme eus < 1mv/v v v v drive ie 6e 1 a et 6e 500 a et v v regd p?eue v e ??? e? v cell = 3.6v ? ? t] c v ol(wdt) ??n??????-e; wdt ??v 4ma et v v ol(gpio) \ i/o ???-e; gpio ??v 4ma et ( \*p?i ) v adc ?? ?? t cycle ( ? 3) ? ? + ?x ? ?? ? ( ? }zx|?y refup k ??? ) ? ? 12 e? s s s s s s s s s s s ? ? 2 e? ? ? 12 e?q 2 h gpio i] ? ? + ?x ? ?? ? ( ? }*|?y refup k ??? ) ? ? 12 e? ms ? ? 2 e? ms ? ? 12 e?q 2 h gpio i] ms ? ? + ?x ? ?? ? ( ? }? o|?y refup k ??? ) ? ? 12 e? ? ? 2 e? ? ? 12 e?q 2 h gpio i] t skew1 ( ? 6) ?? ? f c12 q gpio2 ? ? ?y? ? dv? = adcvax ? o| t skew2 ( ? 3) ?? ? f c12 q c0 ? ?? ?y? ? dv? = adcv ? o| z_| z_| t wake ?ij ? ? v reg _ ?? *[ ( ? 28) t sleep ??ne ?e??? swten ?? = 0 e dcto[3:0] = 0000 sec swten ?? = 1 dcto[3:0] ? 0000 min t refup ( ? 1 d ? 3 7) ?_ t? ? k j? = standby ms k j? = refup ms f s adc ?r? mhz spi ?y dc ?? v ih(spi) spi ??p?i]e? e; ? ? csb e sck e sdi v v il(spi) spi ??p?i]e?-e; ?? csb e sck e sdi v v ih(cfg) ????p?i]e ? e; ?? isomd d swten d gpio1 gpio5 d a0 a3 v v il(cfg) ????p?i]e ?-e; ?? isomd d swten d gpio1 gpio5 d a0 a3 v ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 e $ mz! ? ?j8zg?h?*] di? ?8 t a = 25c f ? a?? v + = 39.6v d v reg = 5.0v d e $9 ! f l? p a? 11 4.5 5.4 5.2 5.1 2.7 2120 365 2845 183 30.54 244 1010 180 1420 189 493 211 609 1.8 0.5 2.7 3.0 2.3 2.7 e?= 40 5 5.6 5 .6 5.6 3.0 10 150 2335 405 3133 201.3 33.6 268.4 1113 201 1564 208 543 233 670 100 2 3.5 3.3 j= 55 5.5 5.8 6.0 6.1 3.6 25 0.4 0.4 2480 430 3325 213.5 35.64 284.7 1185 215 1660 221 576 248 711 300 2.2 120 4.4 0 3.5 0.8 1.2 e}= 680412fa ltc6804-1/ LTC6804-2 8 i leak(dig) p?i]et ?? csb d sck d sdi d isomd d swten d a0 a3 1 a a a v ol(sdo) p?i?-e; ?? sdo v 1ma et 0.3 v isospi dc ?? ( ? 16) v bias ibias ??jye ready/active k idle k 1.9 2.0 0 2.1 v v i b ^n ?y ?et r bias = 2k 20k 0.1 1.0 ma ma/ma ma / ma a ib ^n ?yet# b v a 1.6v i b = 1ma i b = 0.1ma 18 18 20 20 22 24.5 v a ? ?? ? 7 v a = |v ip ? v im | 1.6 v v icmp icmp ??jy?" ?e v tcmp = a tcmp ? v icmp 0.2 1.5 v i leak(icmp) icmp ??jyi] et v icmp = 0v v reg 1 i leak(ip/im) ip q im ??jy et idle k d v ip e v im = 0v v reg 1 a tcmp ??a0??"e# b v cm = v reg /2 v reg ? 0.2v d v icmp = 0.2v 1.5v 0.4 0.5 0.6 v/v v cm ???| ? ip/im j b * (v reg ? v icmp /3 ? 167mv) v r in ??i]e? l ipa d ima d ipb d imb 27 35 43 k ? isospi d ? / t ?? ( ? 21) v wake te t dwell = 240ns 200 mv t dwell t ??? v wake y t 5? ? v wake = 200mv 240 ns s t ready ?9 t? yij ? ? 10 t idle d ? t? ? ? 4.3 5.5 6.7 ms isospi ? ?? ?? ( ? 19) t 1/2pw(cs) ?o? ? 1 120 150 180 ns t inv(cs) t 1/2pw(d) ?o? ? p 200 ns p? ? 1 40 50 60 ns t inv(d) p? ? p 70 ns s spi ??? ( ? 15 q? 20) t clk sck ? ? ( ! 4) 1 t 1 sdi m? ? ( sck jo6?? ) 25 ns t 2 sdi -5? ? ( sck jo6? ) 25 ns t 3 sck ?-e; t clk = t 3 + t 4 1 s 200 ns t 4 sck ? e; t clk = t 3 + t 4 1 s 200 ns t 5 csb jo6 csb h%6 0.65 s s s t 6 sck jo6 csb jo6 ( ! 4) 0.8 t 7 csb h%6 sck jo6 ( ! 4) 1 ?|1 ? * www.linear.com.cn/ltc6804-1 e $ mz! t ?j8zg?h?*] di? ?8 t a = 25c f ? a?? v + = 39.6v d v reg = 5.0v d e $9 ! f l? p a? e?= j= e}= 680412fa 9 isospi ?? ?? ( ? 19) t 8 sck h%6 sdo t? ( ! 5) ns t 9 sck jo6 ? 1 ? ai ns t 10 csb 7 l? 1 ? ai ns t 11 csb jo6 sdo jo ( ! 5) ns t rtn t dsy(cs) t dsy(d) p???p ns ?o? @p ns p? @p ns t lag t 6(gov) p? @ ( ??o? ) ns s p??o? ? ? ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 e $ mz! ? ?j8zg?h?*] di? ?8 t a = 25c f ? a?? v + = 39.6v d v reg = 5.0v d e $9 ! f l? p a? 0 0.8 e?= 430 150 300 35 j= 60 50 60 200 525 200 360 70 1.05 e}= ! 1 j ? ? e}x?= ? ???p=yebt ??? ?qny &? f? e}x?= a?hsy? ?@? ?t ?b??y f q4\av f ! 2 j adc 8z_< ? ?? ?? d6-? f ! 3 j active ket ?\ dc ? ? 8q f active ketj isospi lyj 1?y 1mhz | (50% yp?? ?1? d 50% yp?? ?0?) ?t] v reg yx.;ieuet f ?r o z%-euet f? ? ? e\|1 ? ? f ! 4 j ,?? ??~ @eyypt? d( < ?hy 50ns p? f 50ns e? 10m y cat-5 ey ( i ag o?? oy 66%) f? 4\??yey d??py# ?e? , ?? ?%x ? # f ! 5 j , ??? < sdo yjoeh%? ? f h%? ? ( _?? ?h? zmyaa d l? 5ns) ?j *z d(jo67 l? ? t rise ?_?? sdo ??jyj?e?q 1e? f@ 2o?gy? ? lp?4 sdo mcu ym? ?? f ! 6 j v + @}?e ? e y c(n) e?? $_?y ? ? ft? ? ? le? ? ??~ v + y? ? f 680412fa ltc6804-1/ LTC6804-2 10 ? ??~i]y? dz_| ? ??~i]y? d*| ? ??~i]y? d? o| ? ??~]y? _? ir ?t ? ?y ? ?? ? ??? ? e ? ??j~i]y? dz_| ? ??j~i]y? d*| ? ??j~i]y? d? o| temperature (c) ?50 measurement error (mv) 1.5 25 680412 g01 0 ?1.0 ?25 0 50 ?1.5 ?2.0 2.0 1.0 0.5 ?0.5 75 100 125 cell voltage = 3.3v 5 typical units change in gain error (ppm) ?125 number of parts 20 25 30 25 50 75 ?50 ?25 0 680412 g02 15 10 ?100 ?75 5 0 35 260c, 1 cycle time (hours) 0 measurement error (ppm) 30 5 25 15 20 10 0 680412 g03 3000 1000 2000 2500 500 1500 cell voltage = 3.3v 8 typical parts input (v) 0 measurement error (mv) ?0.5 0 0.5 3 5 680412 g04 ?1.0 ?1.5 ?2.0 1 2 4 1.0 1.5 2.0 10 adc measurements averaged at each input input (v) 0 measurement error (mv) ?0.5 0 0.5 3 5 680412 g05 ?1.0 ?1.5 ?2.0 1 2 4 1.0 1.5 2.0 input (v) 0 measurement error (mv) 2 6 10 4 680412 g06 ?2 ?6 0 4 8 ?4 ?8 ?10 1 2 3 5 10 adc measurements averaged at each input input (v) 0 peak noise (mv) 0.6 0.8 1.0 4 680412 g07 0.4 0.2 0.5 0.7 0.9 0.3 0.1 0 1 2 3 5 input (v) 0 peak noise (mv) 0.6 0.8 1.0 4 680412 g08 0.4 0.2 0.5 0.7 0.9 0.3 0.1 0 1 2 3 5 input (v) 0 peak noise (mv) 6 8 10 4 680412 g09 4 2 5 7 9 3 1 0 1 2 3 ?|1 ? * www.linear.com.cn/ltc6804-1 j ? $d t a = 25c d e $9! f 680412fa 11 j ? $d t a = 25c d e $9! f ? ?# b?p d ] ? ?# b?p d-] ?j*?e ? ??~ v reg y? v + psrr ~? ? ? ? ?? y? ? ?? v reg psrr ~? y? change in gain error (ppm) ?50 number of parts 15 20 25 t a = 85c to 25c ?20 0 30 680412 g10 10 5 0 ?40 ?30 ?10 10 20 change in gain error (ppm) ?40 0 number of parts 5 10 15 20 ?20 0 20 40 680412 g11 25 30 t a = ?45c to 25c ?30 ?10 10 30 input frequency (hz) 10 noise rejection (db) 0 ?50 ?10 ?30 ?20 ?40 ?70 ?60 680412 g12 1m 1k 100k 100 10k filtered 2khz 3khz adc mode: normal 15khz fast v reg (v) 4.5 measurement error (mv) 0 0.5 1.0 5.3 5.4 680412 g13 ?0.5 ?1.0 ?2.0 4.7 4.9 5.1 4.6 5.5 4.8 5.0 5.2 ?1.5 2.0 1.5 v in = 2v v in = 3.3v v in = 4.2v frequency (hz) 100 psrr (db) ?60 ?50 ?40 1m 680412 g14 ?70 ?80 ?65 ?55 ?45 ?75 ?85 ?90 1k 10k 100k 10m v + dc = 39.6v v + ac = 5v p-p 1 bit change < ?90db v reg generated from drive pin, figure 28 frequency (hz) 100 ?20 ?10 0 1m 68412 g15 ?30 ?40 1k 10k 100k 10m ?50 ?60 ?70 psrr (db) v reg(dc) = 5v v reg(ac) = 500mv p-p 1 bit change < ?70db e? ? ??~i] rc =y? gpio ? ??~i] rc =y? ?le? ? ??~ v + y? ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 input resistor, r () 1 cell measurement error (mv) 0 5 10 10000 680412 g16 ?5 ?10 ?20 10 100 1000 ?15 20 normal mode conversions differential rc filter on every c pin. expect cell-to-cell and part-to-part variations in error if r > 100 and/or c > 10nf 15 c = 0 c = 10nf c = 100nf c = 1f input resistance, r () 1 measurement error (mv) 2 6 10 10000 680412 g17 ?2 ?6 0 4 8 ?4 ?8 ?10 10 100 1000 100000 c = 0 c = 100nf c = 1f c = 10f time between measurements > 3rc v + (v) 36 ?1.0 cell 12 measurement error (mv) ?0.8 ?0.4 ?0.2 0 1.0 0.4 38 40 680412 g18 ?0.6 0.6 0.8 0.2 42 44 c12-c11 = 3.3v c12 = 39.6v 680412fa ltc6804-1/ LTC6804-2 12 e? ? ??~?|ey? e? ? ? cmrr ~? y? ? ??~ v + y? = geuet~ v + y? euet~ v + y? refup euet~ v + y? c11 voltage (v) 0 ?1.0 cell 12 measurement error (mv) ?0.8 ?0.4 ?0.2 0 1.0 0.4 10 20 680412 g19 ?0.6 0.6 0.8 0.2 30 c12-c11 = 3.3v v + = 39.6v frequency (hz) 100 ?90 rejection (db) ?80 ?60 ?50 ?40 10k 1m 10m 0 680412 g20 ?70 1k 100k ?30 ?20 ?10 v cm(in) = 5v p-p normal mode conversions v + (v) 5 measurement error (mv) 1.5 20 680412 g21 0 ?1.0 10 15 25 ?1.5 ?2.0 2.0 1.0 0.5 ?0.5 30 35 40 measurement error of cell 1 with 3.3v input. v reg generated from drive pin, figure 28 v + (v) 5 15 2 sleep supply current (a) 4 7 25 45 55 680412 g22 3 6 5 35 65 75 125c 85c 25c ?45c sleep supply current = v + current + v reg current v + (v) 5 51 40 standby supply current (a) 50 80 25 45 55 680412 g23 70 60 35 65 75 125c 85c 25c ?45c standby supply current = v + current + v reg current v + (v) 5 51 850 refup supply current (a) 1000 25 45 55 680412 g24 950 900 35 65 75 125c 85c 25c ?45c refup supply current = v + current + v reg current ? ?|euet~ v + y? ? ?? ?~]y? ? ??] ? ?p=? ~]y? v + (v) 5 measure mode supply current (ma) 12.00 12.25 12.50 35 55 680412 g25 11.75 11.50 15 25 45 65 75 11.25 11.00 125c 85c 25c ?45c measure mode supply current = v + current + v reg current temperature (c) ?50 measurement time (s) 2420 25 680412 g26 2360 2320 ?25 0 50 2300 2280 2440 2400 2380 2340 75 100 125 v reg = 5v v reg = 4.5v v reg = 5.5v 12 cell normal mode time shown. all adc measure times scale proportionally temperature (c) ?50 ?10 temperature measurement error (deg) ?8 ?4 ?2 0 10 4 0 50 75 100 680412 g27 ?6 6 8 2 ?25 25 125 5 typical units ?|1 ? * www.linear.com.cn/ltc6804-1 j ? $d t a = 25c d e $9! f 680412fa 13 v ref2 ~]y? v ref2 1 $ v ref2 v + e $ v ref2 v reg e $ v ref2 p d ] v ref2 je v ref2 p d-] v ref2 ? ? e _? ir ?t ? ?y v ref2 temperature (c) ?50 v ref2 (v) 3.001 3.002 3.003 25 75 680412 g28 3.000 2.999 ?25 0 50 100 125 2.998 2.997 v + = 39.6v 5 typical parts i out (ma) 0.01 change in v ref2 (ppm) ?600 ?400 680412 g29 ?800 ?1000 0.1 1 10 0 ?200 125c 85c 25c ?45c v + = 39.6v v reg = 5v v + (v) 5 change in v ref2 (ppm) 150 35 580412 g30 0 ?100 15 25 45 ?150 ?200 200 100 50 ?50 55 65 75 125c 85c 25c ?45c v reg generated from drive pin, figure 28 v reg (v) 4.5 ?150 change in v ref2 (ppm) ?100 ?50 0 50 100 150 r l = 5k 4.75 5 5.25 5.5 680412 g31 125c 85c 25c ?45c v ref2 (v) csb 1.5 2.5 3.5 680412 g32 0.5 5 1.0 2.0 3.0 0 0 ?5 1ms/div v ref2 csb r l = 5k c l = 1f time (hours) 0 change in v ref2 (ppm) 0 680412 g33 ?50 ?100 1000 2000 500 1500 2500 50 100 ?25 ?75 25 75 3000 8 typical parts change in ref2 (ppm) ?125 number of parts 15 20 25 t a = 85c to 25c 75 680412 g34 10 5 0 ?75 ?25 25 125 175 change in ref2 (ppm) ?250 number of parts 8 12 680412 g35 4 0 ?200 ?150 ?100 ?50 0 50 100 16 6 10 2 14 t a = ?45c to 25c change in ref2 (ppm) 0 number of parts 10 20 30 260c, 1 cycle 5 15 25 ?500 ?300 ?100 100 680412 g36 300 ?700 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 j ? $d t a = 25c d e $9! f 680412fa ltc6804-1/ LTC6804-2 14 q v ref ??je v ref1 je v ref1 ~]y? ? ??]# ~eety? isospi et (ready) ~]y? isospi et (ready/active) ~ isospi ?r? y? e ??? e? ~e?ey? ?? 1 $ ??e $ ?|1 ? * www.linear.com.cn/ltc6804-1 cell voltage (v) 0 discharge switch on-resistance () 5 15 20 25 50 35 1 2 680412 g37 10 40 45 30 3 4 5 125c 85c 25c ?45c on-resi st an ce o f internal discharge swit ch m e asured with 100 . ext er nal dischar ge resistor be twe en s (n) and c(n) i load (ma) 0.01 change in drive pin voltage (mv) ?60 ?40 1 680412 g38 ?80 ?100 0.1 0 ?20 125c 85c 25c ?45c v + = 39.6v v + (v) 5 15 ?15 change in drive pin voltage (mv) ?5 10 25 45 55 680412 g39 ?10 5 0 35 65 75 125c 85c 25c ?45c 4 5 6 680412 g40 3 2 100s/div 1 0 ?1 v drive and v reg (v) v drive v reg v reg : c l = 1f v reg generated from drive pin, figure 28 v ref1 (v) csb 1.5 2.5 3.5 680412 g41 0.5 5 ?5 1.0 2.0 3.0 csb 0 1ms/div v ref1 c l = 1f temperature (c) ?50 3.145 v ref1 (v) 3.146 3.148 3.149 3.150 3.155 3.152 0 50 75 100 680412 g42 3.147 3.153 3.154 3.151 ?25 25 125 5 typical internal discharge current (ma per cell) 0 0 increase in die temperature (c) 5 15 20 25 50 35 20 40 680412 g43 10 40 45 30 60 80 12 cells discharging 1 cell discharging 6 cells discharging isospi clock frequency (khz) 0 10 12 14 800 680412 g45 8 6 200 400 600 1000 4 2 0 isospi current (ma) write read ltc6804-1 LTC6804-2 isomd = v reg i b = 1ma temperature (c) ?50 ?25 4 isospi current (ma) 6 9 0 50 75 680412 g44 5 8 7 25 100 125 i b = 1ma lt6804-1 isomd = v reg lt6804-2 isomd = v reg lt6804-1, isomd = 0 j ? $d t a = 25c d e $9! f 680412fa 15 isospi ?et# b ( ly a / ly b) ~]y? isospi ??|e ( ly a / ly b) ~ ? 7y? isospi a0??"# b ( ly a / ly b) ~?|y? isospi a0??"# b ( ly a/ ly b) ~ icmp ey? j t ? 7 ( ly a) ~ t 5? ?y? i bias e~]y? i bias e 1 isospi ?et# b ( ly a / ly b) ~ ?ety? temperature (c) ?50 1.98 ibias pin voltage (v) 1.99 2.00 2.01 2.02 ?25 0 25 50 680412 g46 75 100 125 i b = 1ma 3 parts bias current (a) 0 ibias pin voltage (v) 2.000 2.005 800 408912 g47 1.995 1.990 200 400 600 1000 2.010 bias current (a) 0 current gain (ma/ma) 21 22 23 800 680412 g48 20 19 18 200 400 600 1000 v a = 0.5v v a = 1.0v v a = 1.6v temperature (c) ?50 ?25 18 current gain (ma/ma) 20 23 0 50 75 680412 g49 19 22 21 25 100 125 i b = 100a i b = 1ma pulse amplitude (v) 0 2.5 driver common mode (v) 3.0 3.5 4.0 4.5 5.0 5.5 0.5 1.0 1.5 2.0 i b = 100a i b = 1ma 680412 g50 common mode voltage (v) 2.5 0.44 comparator threshold gain (v/v) 0.46 0.48 0.50 0.52 0.56 3.0 3.5 4.0 4.5 680412 g51 5.0 5.5 0.54 v icmp = 1v v icmp = 0.2v icmp voltage (v) 0 0.44 comparator threshold gain (v/v) 0.46 0.48 0.50 0.52 0.4 0.8 1.2 1.6 680412 g52 0.54 0.56 0.2 0.6 1.0 1.4 3 parts wake-up dwell time, t dwell (ns) 0 wake-up pulse amplitude, v wake (mv) 150 200 600 680412 g53 100 50 150 300 450 300 250 guaranteed wake-up region ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 j ? $d t a = 25c d e $9! f 680412fa ltc6804-1/ LTC6804-2 16 zv?3sh @?? (isomd = 0) }sh @????p? (isomd = 0) zv?3sh @?? (isomd = 1) }sh @????p? (isomd = 1) csb 5v/div sdi 5v/div sck 5v/div sdo 5v/div ipb-imb 2v/div (port b) 1s/div 680412 g54 isomd = v ? beginning of a command port a ipb-imb 1v/div (port b) ipa-ima 1v/div (port a) 1s/div 680412 g55 isomd = v reg beginning of a command csb 5v/div sdi 5v/div sck 5v/div sdo 5v/div ipb-imb 2v/div (port b) port a 1s/div 680412 g56 isomd = v ? end of a read command ipb-imb 1v/div (port b) ipa-ima 1v/div (port a) 1s/div 680412 g57 isomd = v reg end of a read command ?|1 ? * www.linear.com.cn/ltc6804-1 j ? $d t a = 25c d e $9! f 680412fa 17 ?? ? ly?? ltc6804-1 ( ? @ 1 ? ) LTC6804-2 ( 0g ) isomd = v reg isomd = v ? isomd = v ? isomd = v reg ly b ( ?? 45 48) ipb imb icmp ibias (nc) (nc) ipa ima ipb imb icmp ibias sdo sdi sck csb a3 a2 a1 a0 ibias icmp ipa ima a3 a2 a1 a0 sdo sdi sck csb ly a ( ?? 41 44) ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 c0 c12 je?i] f s1 s12 j;ei] / i f s(n) q c(n ? 1) ? ? 1 ?y 12 h n-mosfet d\?e? ?e f v + jmeu?? f v ? j eu?? f?t v ? ??@ 2 ic y. ? ? ?s ? f v ref2 j ?@ y kz ?_e d\? h 10k ? ?e? f ?\sh. ? 1 f e?? ?) f v ref1 j adc ?_e f ?\sh. ? 1 f e?? ? ) f? { ?? ? dc ? f gpio[1:5] j \ i/o f\*p?i]ep?i dek \ * h t s h } v ? 5 v ? ? ? y | y i ] f gpio[3:5] \*sh i 2 c e spi ly f swten j ????ij\ fa?? 1 ? v reg ?4 ? ???? f drive j zsh npn y ?= 1 ??? fa npn y ?e= 1 ? v + d ??= 1 ? v reg f v reg j 5v ?i] f ?\sh. ? 1 f e?? ? ) f isomd j ?y| fa isomd 1 ? v reg c ? gt^n ?y (isospi) |8 ?? ltc6804 y? ? 41 44 ft z isomd 1 ? v ? ? ?,t spi |8 ?? ltc6804 f wdt j ??n???i?? f??jsh = ?) nmos p?i fi ???? 1 ?ke @sh 1m e?? 1 ? v reg f? ltc6804 2 ???j ?qs h t | ? ( ? 2 1 ) d ? ? ? n ? ? ? e ) z 4 csb e sck e sdi e sdo j ,t. ?y (spi) f- e;t??o? (csb) e?r (sck) qp?i ] (sdi) jp?i] fp?i (sdo) jsh = ? ) nmos i?? f sdo sh 5k j?e?? f a0 a3 j?g?? f ,p?i] 1 ? v reg e v ? d ? ?\? 0gv?y??g f ipa e ima j ^ngt ?yly a f ipa (+) q ima (?) jsi] / i f ipb e imb j ^ngt ?yly b f ipb (+) q imb (?) jsi] / i f ibias j ^n ?yet ? f @she??a ibias 1 ? v ? ? ? ?yiet?; f? isospi ? y ?4 ?? d ibias ??e? 2v f ipa / ima e ipb / imb i et ? ?? } ibias ??6e?et (i b ) y 20 4 f icmp j ^n ?ya0?e?" ? fa?? 1 ? ? ibia q v ? ? ?ye??? ? isospi ??a 0?ye?" fa0??" ? ?? icmp ??ey 1/2 f 680412fa ltc6804-1/ LTC6804-2 18 c12 c11 c10 c9 c8 c7 c0 c6 c5 c4 c3 c2 c1 ? + 680412 bd1 ipb p imb icmp ibias sdo/(nc) sdi/(nc) sck/(ipa) csb/(ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? * gpio3 gpio2 gpio1 c0 s1 v + c12 s12 c11 m s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 logic and memory digital filters serial i/o port b 6-cell mux v regd soc v reg p m aux mux 12 balance fets s(n) c(n ? 1) p m 6-cell mux por v regd v reg serial i/o port a software timer die temperature 2nd reference 1st reference regulators adc2 ? + adc1 16 16 v + ldo1 v regd por v + ldo2 drive 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ltc6804-1 ?|1 ? * www.linear.com.cn/ltc6804-1 ? 680412fa 19 sdo/(ibias) c12 c11 c10 c9 c8 c7 c0 c6 c5 c4 c3 c2 c1 ? + 680412 bd2 a4 p a3 a2 a1 sdi/(icmp) sck/(ipa) csb/(ima) isomd wdt drive swten gpio5 gpio4 gpio3 gpio2 gpio1 c0 s1 c12 s12 c11 m s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 logic and memory digital filters serial i/o address 6-cell mux v regd soc v reg p m aux mux p m 6-cell mux por v regd v reg serial i/o port a software timer die temperature 2nd reference 1st reference regulators adc2 ? + adc1 v + ldo1 v regd por v + ldo2 drive v reg v ref1 v ref2 v ? v ? * v + 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 16 16 12 balance fets s(n) c(n ? 1) LTC6804-2 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ? 680412fa ltc6804-1/ LTC6804-2 20 ? 1 j ltc6804 *k? 680412 f01 isospi port core ltc6804 conversion done (refon = 1) wakeup signal (t wake ) adc command (t refup ) adc command refon = 1 (t refup ) wakeup signal (core = standby) (t ready ) wakeup signal (core = sleep) (t wake ) transmit/receive note: state transition delays denoted by (t x ) no activity on isospi port idle timeout (t idle ) conversion done (refon = 0) refon = 0 wd timeout or swt timeout (t sleep ) measure refup standby sleep active ready idle ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # k? ltc6804 y*?gh y ? j?e)q isospi e) f gh ? ?hts \my*k??sh t t? f ltc6804 ?k \ sleep k ?_q adc e f??n??? ( ? ??nq ?e? ?? ?) ? t? f ?e??? ? t\er t feuet ? ? e-?; f isospi ly z ?? idle k f ? ?qsh wakeup |? ( ? t ?y ?) d? ltc6804 z ?] standby k f standby k ?_q adc ?? f??n???q / e ?e??? ??6k f drive ?? @sh. ? zm z v reg ??6e 5v ( ek dp?;\sh. ?eu8 v reg 6e ) f ? ?qsht?y adc v?e refon ?? t ? \? ? ?? 1 d? ic r t?* ( 5?? ?? t refup ) ? 4 ?_je d(? ?] refup e measure k fi ? d?yy t sleep ? ( ????nq ?e???i ?? ^? ) d ltc6804 z?? sleep k f ?? ? e??? ? t\ d? ?t??n???~?? f refup k ?:qk d ?? t? \?y refon @ 2 ?? 1 ( ?\ wrcfg v? d? 36) f adc ?? f ?_ ?je ?4 ltc6804 ? d??? ( a? } standby k ) ij adc 7 l f ? ?qsht?y adc v?? d ic measure k ? ?? b7 l* fi? d ltc6804 z refon ? ?? 0 ( ?\ wrcfg v? ? de??n?? ?? ^?? ? $ ) ??? standby k f ( ? d jegh???i? ^? d? ltc6804 z\ ? ?] sleep k ) f measure k ltc6804 k? b adc 7 l* f ?_q adc ? e f adc 7 l?? d ltc6804 z7 l refup e standby k ( _?? refon ) f @ ? refon = 1 ?;\ refup k d???ij $.y adc 7 l f ! j adc v??6? ??k7 l f%tsh adc 7 le bv? za??? measure k f 680412fa 21 i reg = i reg(core) + i reg(isospi) ? 1 j?euet k i reg(core) i v + sleep v reg = 0v 3.8 a 1.6 a 32 a 550 a 550 a 0 a 2.2 a 35 a 450 a 11.5ma v reg = 5v standby refup measure ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 isospi k \ ! j ltc6804-1 htgh\? @ |y isospi ly (a q b) f LTC6804-2 ?tsh\?( 0g |y isospi ly (a) f idle k isospi ly ?e f ? isospi ly a ?qsh wakeup |? ( ? t ?y ?) ? d isospi ?] ready k f?? ?? standby k d?7 l? o ?[ ( t ready ?? ) da ? drive q v reg ??? ?d f?? isospi ?qsh wakeup |?? ?? sleep k d?i z t wake ? ???7 l ready k f ready k isospi ly? | ?y_ fly b ?? ltc6804-1 4 ? d LTC6804-2 jtly fk?y ?y et_????j ltc6804-1 ?j LTC6804-2 e isomd ??yk?? r bias = r b1 + r b2 ( 1 ? ibias ??y . ?e?? ) f ?ly a jt *y5?? ? t@ t idle = 5.5ms ( c j wakeup |? ) d? ltc6804 ?] idle k f? ?y ? ?e ?p?? d ltc6804 active k f active k ltc6804 ?\shegh isospi ly8 ? ? / ?p? f ?yk? ? e}y feuet??r? t #} da? isospi ? y w# f ? ltc6804 @gh??86e j v + q v reg f v + i]? ye ?e ? ?le?e dti a??e)y e??6e f v + ?\ ? 1 ?e? \y ?le? d eksh. ?eu f v reg i] 5v e(\??i qy?e)? isospi e)6e f v reg i] @sh _? drive i?? y. ? zm6e fek dp ? ?\sh. ?eu8 v reg 6e f ?? 9*kt f? 1 q? 2 y\? q + gk?yeu??ety? f v + ??et ?_? ??k ( t?j isospi k ) f t d v reg ??et ???_???k? isospi k da? ??g h ? f isospi ?y ? } v reg ??vet f sleep k? d?_sh. ?eu6e d? v reg ? ? zv} 2.2 a yet fi? d z_ v + ?? d6? yet f adc * ltc6804 y? ?tgh adc f? ? ? 12 he?? g h adc ??6* f%tsh adc \? ? ? \i]l y fh&y 4\ adc s z88gh adc ?yshe gh ( v by*t? ) f? ghe)? ( a? ???? ) dh&y z ?\ adc1 q adc2 ?8t f adc | ?? t? \?y adcopt (cfgr0[0]) q7 lv?? y|o? md[1:0] ??? adc d6y 6 g*| die???y@ ?ua (osr) f? 3 <y ,| y_? fg|? d adc /? ? ?i] d b h 8y?x f|yh ?? adc ? ?y ?3db m 1 f ?*a # 680412fa ltc6804-1/ LTC6804-2 22 ? 2 j isospi euet? isospi k ?? isomd 1 ? i reg(isospi) idle ltc6804-1/LTC6804-2 0ma 2.8ma + 5 ? i b 1.6ma + 3 ? i b 1.8ma + 3 ? i b 0ma ready ltc6804-1 LTC6804-2 active ltc6804-1 3 j 2.8ma + 5 ? i b + 2 ? i b + 0.4ma ( ) ? 1s t clk ? j 2.8ma+ 5 ? i b + 3 ? i b + 0.5ma ( ) ? 1s t clk 1.6ma+ 3 ? i b + 2 ? i b + 0.2ma ( ) ? 1s t clk LTC6804-2 ( ) 3 j 1.8ma + 3 ? i b + 0.3ma ? 1s t clk ? j 1.8ma+ 3 ? i b + i b + 0.3ma ( ) ? 1s t clk ?g\ v reg v ? v reg v ? v reg v ? v reg v ? 0ma ? 3 j adc *? m1q_? | 27khz ( ? o| ) 14khz 7khz ( z_| ) 3khz 2khz 26hz ( *| ) ?3db *? bw 27khz 13.5khz 6.8khz 3.4khz 1.7khz 26hz ?40db *? bw 84khz 42khz 21khz 10.5khz 5.3khz 82hz 3.3v e 25c a?hy tme ?? 4.7mv 4.7mv 1.2mv 1.2mv 1.2mv 1.2mv 3.3v e ?40c e 85c a?hy tme ?? 4.7mv 4.7mv 2.2mv 2.2mv 2.2mv 2.2mv ! j tme ?< ? ?? f ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # 7khz | ( z_ ) j |? d adc ht k q- tme ( < ? ?? ) f ia?? $y o~_?y e \t ? v?z_*| f 27khz | ( ? o ) j |? d adc ht e}yg? ? d( tme ( < ? ?? ) +t# fa? g|p ?h?? o| f oy d u?@ ?uayh% f z???jq;i ? ??y # f 26hz | ( * ) j |? d @# osr z adc p?*? ?3db ? %- 26hz f|_?i-y ?3db ? yaap ? h?*| fi_?'?ht0-?jy 7khz ( z _ ) | f 14khz e 3khz q 2khz | j 14khz e 3khz q 2khz | d6y\? z adc p?*? ?3db ? 9 ? 13.5khz d 3.4khz q 1.7khz yx .o f 14khz |y_?'? 27khz ( ? o ) | f 3khz q 2khz |y_?'? 7khz ( z_ ) | f 680412fa 23 ? 4 j adc qk | ?z 1 ?? zx 2 lsb ? e}?j ?jk 3 27khz ( ? o ) 14khz 7khz ( z_ ) 3khz 2khz 26hz ( * ) ?0.8192v 5.7344v 0v 5v 0.5v 4.5v 100 v l? 16 4mv p-p 1mv p-p 250 v p-p 150 v p-p 100 v p-p 50 v p-p 10 12 14 14 15 16 1. ?p ?_? 0v f 2. zx 8yj?j-? e}?jy f 3. ?jk jzx ??y?je;e ?8z f ? 2 j ? ??j~i]ey? adc input voltage (v) 0 0.5 peak noise (mv) 1.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0 0.2 5.2 0.3 5.3 0.4 1.0 1.5 4.5 680412 f02 5.0 normal mode filtered mode ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ,|y7 l? ???? 5 f?? ?? standby k d?sh? y t setup ? ?? adc 7 l ???? ?_ ?je fje ?? t? \?y refon ? ?? 1 d? ?_ adc 7 l*? ?-5je d?j?s h t refup p? ?? refup k f u d ?y adc v? ?? adc 7 l?? zt t refup p f adc qk c i]q gpio i]ht?y qk f ltc6804 ? ?y adc htsh ?0.82v 5.73v y?' f ? p ?_? 0v fp?y?? 16 l??p di? lsb t? 100 v fa? dsh 0x80e8 ( d ?s? 33,000) y?p?jsh 3.3v y ? ?= f ? adc ht~i]e?y ??j d $9j-@ ?ua (osr) a?h d7? j? o|? ft, adc |? d?i]e ?? adc yj"qh"? d ? ?j# fa? j? 2 yz_|q*|?< ? ??j~i]ey? f adc y ?? ? 0v 5v f? 4 ? d adc yzx ??? 0.5v 4.5v ?y?= f j g?0- osr |? ??j ? z)?y ( ? 2) f? 4 <y ?y<?j ( ??t 6 g adc *| ) f $. d??? y ?jk f7? jz_|?y 14 ?jk b 9 d?sh dc i] dj ?y 14 h zj ?jy d( k 15 q 16 h e-t? (lsb) z ? f adc ~e ?_=y? j jy ? adc htsh&?e ?_=g4y dt adc ? ??~e ?_?y?ma f ltc6804 adc ?jjy adc f v ref1 y = ? e -?t adc ?y# b? f?j d adc < ? ?? (tme) ? ?? v ref1 8z f7? j? 7khz ( z_ ) |? ? ? 3.300v ? d< ? ??y 25c ??=? 1.2mv dt v ref1 y 25c ??=?? 3.200v100mv f 680412fa ltc6804-1/ LTC6804-2 24 ? 3 j\? ? ??t 12 e?y adcv v?y?? ? 6 j??|? ? ? ? 2 e?y adcv v?y7 l? ? 7 l? ? ( j s) | 27khz 14khz 7khz 3khz 2khz 26hz t 0 0 0 0 0 0 0 t 1m 57 86 144 240 493 29,817 t 1c 201 230 405 501 754 33,568 ? 5 j??|? ? ??t 12 e?y adcv v?y7 l? ? 7 l? ? ( j s) | 27khz 14khz 7khz 3khz 2khz 26hz t 0 0 0 0 0 0 0 t 1m 57 86 144 260 493 29,817 t 2m 103 162 278 511 976 59,623 t 5m 243 389 680 1,262 2,425 149,043 t 6m 290 465 814 1,512 2,908 178,850 t 1c 432 606 1,072 1,770 3,166 182,599 t 2c 568 742 1,324 2,022 3,418 186,342 t 5c 975 1,149 2,080 2,778 4,175 197,571 t 6c 1,113 1,288 2,335 3,033 4,430 201,317 calibrate c8 to c7 calibrate c7 to c6 measure c12 to c11 measure c8 to c7 measure c7 to c6 adc2 serial interface t cycle t skew2 adcv + pec calibrate c2 to c1 calibrate c12 to c11 calibrate c6 to c5 calibrate c1 to c0 measure c6 to c5 measure c2 to c1 measure c1 to c0 adc1 t 0 t 1m t 2m t 6m t 5m t 1c t 2c t 5c t 6c 680412 f03 t refup ? 4 j\? ? ?ge?y adcv v?y?? calibrate c10 to c9 measure c10 to c9 adc2 serial interface adcv + pec calibrate c4 to c3 measure c4 to c3 adc1 t 0 t 1m t 1c 680412 f04 t refup ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ? ?e?e (adcv v? ) adcv v?\?ij e?i] ( ?? c0 c12) y ? ? f v?ht\?o? ? ? 8pfq adc |yo f t? ? v? ? y y? adcv v?? f ? 3 jy\? ? ??t 12 e?y adcv v?y?? f ?q ? ??t 12 e?y adcv v?? d adc1 ? ? ?j ?y 6 e? dt adc2 ? ? ? ?h ?y 6 e? fe? ? ??? dh 8 ??x? e? y e? f ? 5 ?y a ? ??t 12 e?? adcv v?y7 l? ? f<7 l? ?_ t 6c dizj 9?x@ ?y ? f ? 4 jy ? ? ?ge?y adcv v?y?? f ? 6 ?y ? ? ?ge?y adcv v?y7 l? ? f t 1c ?jv?y<7 l? ? f 680412fa 25 ? 7 j??|? ? ??t gpio q kz ?_y adax v?y7 l? ? 7 l? ? ( j s) | 27khz 14khz 7khz 3khz 2khz 26hz t 1m 57 86 144 260 493 29,817 t 2m 103 162 278 511 976 59,623 t 5m 243 389 680 1,262 2,425 149,043 t 6m 290 465 814 1,512 2,908 178,850 t 1c 432 606 1,072 1,770 3,166 182,599 t 2c 568 742 1,324 2,022 3,418 186,342 t 5c 975 1,149 2,080 2,778 4,175 197,571 t 6c 1,113 1,288 2,335 3,033 4,430 201,317 t 0 0 0 0 0 0 0 ? 5 j ? ??t gpio q kz ?_y adax v?y?? adc2 serial interface t cycle t skew adax + pec calibrate gpio2 calibrate 2nd ref calibrate gpio1 measure 2nd ref measure gpio2 measure gpio1 adc1 t 0 t 1m t 2m t 6m t 5m t 1c t 2c t 5c t 6c 680412 f05 t refup ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # t / @9 v ? ? ? c i]? d z ? ? ~??ytq @?" ?a0 f?e?ey ? ??p ?@" = d???ysh ? ??z ? f?u d-?t ?"y ? ? p6?? ?shz ? f@qt?" ?? t? \? fz ???k t? \ b ? ? f ?? (gpio) ? ? (adax v? ) adax v?\?ij gpio i]y ? ? fv?ht\? o? ? ?y gpio i] (gpio1-5) ? adc |yo f$. d adax v?? a ? ? kz ?_ f adax v ??t ? ?h gpio q kz ?_ek hv? ? ?? ? ??t 5 h gpio q kz ?_yo ft? ? v ? ? y y? adax v?? f?ty?? ? ?i ? v ? ??e f @a] a ? 1 ? gpio dv ? \ ? ? _ . ? ] f , a ? ? ? \ ? u _ adax v? ? ? ?y kz ?_86e d }t {zxy a7 ? ? f ? 5 jy\? ? ??t gpio q kz ?_y adax v? y?? f_??ty 6 ? ?i_ adc1 ? da? adax v?y7 l? ?~ adcv v?y' f ? ?e?eq gpio (adcvax v? ) adcvax v? \y 12 e? ? ?~gh gpio ? ? (gpio1 q gpio2) f?et a ? 1 ? gpio1 q gpio2 i]? dv? e?eqet ? ?y? f? 6 jy adcvax v?y?? ft? ? v? ? y y? adcvax v?? f? o|? detq e ? ?y?? ? t skew1 208 s ?? f 680412fa ltc6804-1/ LTC6804-2 26 calibrate measure c12 to c11 measure c11 to c10 measure c10 to c9 measure c9 to c8 measure c8 to c7 measure c7 to c6 adc2 serial interface t cycle t skew1 t skew1 adcvax + pec calibrate measure c6 to c5 measure c5 to c4 measure c4 to c3 measure gpio2 measure gpio1 measure c3 to c2 measure c2 to c1 measure c1 to c0 adc1 t 0 t 1m t 2m t 3m t 4m t 5m t 6m t 7m t 8m t 8c t refup 680412 f06 ? 6 j adcvax v?y?? ? 8 j??|? adcvax v?y7 lq?? ? 7 l? ? ( j s) ?? ? ( s) | 27khz 14khz 7khz 3khz 2khz 26hz t 0 0 0 0 0 0 0 t 1m 57 86 144 260 493 29,817 t 2m 106 161 278 511 976 59,623 t 3m 155 237 412 761 1,459 89,430 t 4m 216 320 553 1,018 1,949 119,244 t 5m 265 396 687 1,269 2,432 149,051 t 6m 326 479 828 1,526 2,923 178,864 t 7m 375 555 962 1,777 3,406 208,671 t 8m 424 630 1,096 2,027 3,888 238,478 t 8c 1,564 1,736 3,133 4,064 5,925 268,442 t skew1 208 310 1009 1009 1939 119234 ? 7 j ? ? soc e itmp e va e vd y adstat v?y?? adc2 serial interface t cycle t skew adstat + pec calibrate itmp calibrate vd calibrate soc measure vd measure itmp measure soc adc1 t 0 t 1m t 2m t 4m t 3m t 1c t 2c t 3c t 4c 680412 f07 t refup ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ? 8 jy adcvax v???|?y7 lq?? ? f|y<7 l? ?_ t 8c f p? ? ?? u b e?9 vp? ? ?? u_) b\? e adc e ks ?_ e p?*?q? \ f?y?-? ?yf ? dt ;h bv?\?? ,e)ym?6* f ? ?? ??? p (adstat v? ) adstat v?jsg\? ? ??h? ??? pyv? j ?te?y<q (soc) e? ??] (itmp) e|ye u (va) qp?eu (vd) f , phs \ f?t 6 g adc |i\? ,7 l ft? ? v? ? y y ? adstat v?? f? 7 jy ? ??t 4 g? ??? py adstat v?y?? f 680412fa 27 ? 9 j a ? ? soc e itmp e va e vd y adstat v?y7 l? ? 7 l? ? ( j s) | 27khz 14khz 3khz 3khz 2khz 26hz t 0 0 0 0 0 0 0 t 1m 57 86 144 260 493 29,817 t 2m 103 162 278 511 976 59,623 t 3m 150 237 412 761 1,459 89,430 t 4m 197 313 546 1,011 1,942 119,237 t 1c 338 455 804 1,269 2,200 122,986 t 2c 474 591 1,056 1,522 2,452 126,729 t 3c 610 726 1,308 2,705 2,705 130,472 t 4c 748 865 1,563 2,028 2,959 134,218 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ? 9 ?y ? ??t 4 ? ? py adstat v?y7 l ? ? f t 4c ?j adstat v?y<7 l? ? f c c c c c c c c c c?te? ? ? y<qj c12 q c0 ? ?ye ( htsh 20:1 y ? ) fe? ? ? < q (soc) y 16 adc =k t? \ a ?? f; \ soc = d_h {?te?e ? ? ?q j ?te??q = soc ? 20 ? 100 v c c c c c c c adstat v? ? d ? ?? ??] f? ] ? ? (itmp) y 16 adc =k t ? \ a ? f? itmp ;\hq??y?] j ? ??] (c) = (itmp) ? 100 v/(7.5mv)c ? 273c c c c c c adstat v??\? ? ?|yeu (v reg ) qp ?eu (v regd ) f |yeu ? ? (va) y 16 adc =k t? \ a ? fp?eu ? ? (vd) y 16 adc = k t? \ b ? f;\ va q vd _h?eu ? ? j |yeu ? ? (v reg ) = v a ? 100 v p?eu ? ? (v regd ) = v a ? 100 v v reg yzh ? 4.5v 5.5v f v regd yzh ? 2.7v 3.6v f _?_ ? ?shmye ?_j?p? ? ?? u_?y e3 , f ltc6804 <\?fy kzh ?_ f adax v? zij kz ?_y ? ? f ? ? ????? t? \ b ? f ? ? y _?? adc ? ?_?q kz ?_y _ ? d < ? p q ? ? e f ? $ 2.980 3.020 ?.y?p d??j? u tyi ??y? f ) b\? (mux) ?_ bv? diagn a?-h) b\? 8ym?6 * fv? c @?ty 8 d (t? 8? ? [b?y ?1hk t? \ b ? z muxfail ? ? 1 f? 8? @y ? d? muxfail ? ? ? 0 f$. dje (por) ?esh clrstat v?? d muxfail p ? ?? 1 f diagn v?} 400 s ( ??? ?? refup k ) q} 4.5ms ( ??? ?? standby k ) y? ?? f ? c, ? ?? \yc,\??? diagn v?y? f p?*?_ ? adc _sh 1 ? w s?qsh?i yp ?*? \ f?ht0 i]e? d?@ ? w s yitht0 ?1? y?a fp?*?a ? 1 p?t7 l? h 16 ? f e? ? ? y<q j eu ? ? j ? ??] j 680412fa ltc6804-1/ LTC6804-2 28 ? 10 j ? v?? ?? adc |?yi?? ? o st[1:0]=01 st[1:0]=10 st[1:0]=01 st[1:0]=10 st[1:0]=01 st[1:0]=10 27khz 0x9565 0x6a9a 0x9565 0x6a9a 0x9565 0x6a9a 14khz 0x9553 0x6aac 0x9553 0x6aac 0x9553 0x6aac 7khz 0x9555 0x6aaa 0x9555 0x6aaa 0x9555 0x6aaa 3khz 0x9555 0x6aaa 0x9555 0x6aaa 0x9555 0x6aaa 2khz 0x9555 0x6aaa 0x9555 0x6aaa 0x9555 0x6aaa 26hz 0x9555 0x6aaa 0x9555 0x6aaa 0x9555 0x6aaa v? cvst axst statst t? \ c1v c12v (cva, cvb, cvc, cvd) g1v g5v d ref (auxa, auxb) s oc, itmp, va, vd (stata, statb) ? 8 j ltc6804 adc ? y* 680412 f08 results register digital filter analog input mux test signal pulse density modulated bit stream 1 self test pattern generator 16 1-bit modulator ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # 1j ? adc l l ?h?@ ?u7 l?yaa f ? v?\??p?*?q?y* f? 8 j y adc ? ? ?y?* ?1 f 1 ? w s? yi ?sh 1 ? |??_t f ? |? @p? *?( ?7 l?sh 16 = f 1 ? |? z?y~8 s?y l ? 1 ? ?yp?7 l da?? ? v?y7 l? ?~ey l ? adc 7 lv???? f 16 adc =~ l ? adc 7 lv??y t? \ ?? f ? |? \? t???t ?y 0-1 ? ? f? 10 ?y ? v? fjep?*?q?m ?6* d? t? z ^? 10 ? yp= f? ? ? v? ? ? f adc ? ev? ltc6804 ht 3 h ? ev? ? clrcell e clraux q clrstat f ,v?\? ? ey?t adc 7 l y t? f clrcell v? a ? ee?e t? \ a e b e c q d f , t??y?t?i_ clrcell v? ?? 0xff f clraux v? a ? e?? t? \ a q b f , t? ?y?t??_ clraux v? ?? 0xff f clrstat v?\? ? ek t? \ a q b ( k t? \ b ?y revcode e. ) f revcode y?? z? b?? yhit f rsvd ? ^?? 0 fk t? \ b ?y? t ov z ? e uv z ? e muxfail e rsvd q thsd ?_ clrstat v? ?? 1 f thsd rdstatb v ?? ? ?? 0 fy soc e itmp e va q vd y t ?? ?_ clrstat v? ?? 0xff f 680412fa 29 ? 11 7 1 q 2 ??y adow v?ypf . ? c ??e? 10nf 100nf 1 f c z_| 2 10 100 1 + roundup(c/10nf) *| 2 2 2 2 2 + + + + + + + v + v ? 100a 100a pup = 1 c12 pup = 0 v + v + v ? adc2 ltc6804 4 c11 6 c10 8 c9 6-cell mux 10 c8 12 14 c7 c6 c6 1 16 + + + + + v + v ? 100a 100a pup = 1 c5 pup = 0 v + v ? v ? 680412 f09 adc1 18 c4 20 c3 22 c2 6-cell mux 24 c1 26 30 31 c0 ? 9 j?t ?) ?e) ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ?t ?)_ (adow v? ) adow v?\?_ ltc6804 ?y adc ~. ?e?? ? y? ?t ?) fv?q adcv v?su c ??i] lj b adc 7 l d ?ty 9jgh? ?etui ? ? ?y@ ??ve6eetgh c ?? f adow v? yj? (pup) a??etujv?j6e 100 a e t f ? ?\h&y q,8 ? 13 h c ???? shj y?t ?) ( ? 9) j 1) pup = 1 y ?1h6 12 e?v? adow ?g ? f ???_e? 1 12 yes?( zi ? cell pu(n) ? f 2) pup = 0 y ?1h6 12 e?v? adow ?g ? f ???_e? 1 12 yes?( zi ? cell pd(n) ? f 3) _j7? ?e? 2 12 yj?~h? ? ? ? j cell (n) = cell pu(n) ? cell pd(n) f 4) ? } 1 1 1 y ? t n = j ? c e l l ( n + 1 ) < ? 4 0 0 m v d ? c ( n ) ? ) f ? c e l l p u ( 1 ) = 0.0000 d? c(0) ?) fe cell pd(12) = 0.0000 d? c(12) ?) f jq, ?\z_|7 l8 ??t ?) d ?)?ty ltc6804 l: 10nf ye? f t d? ?) c ??j?y. ?e? d??t ?)7 l7 1 q 2 ?y6? ??@ 2# d }t? 100 a etu *[ sh d}y . ( ??q, ? ?) 1 ? ) d6? ? f @7 1 q 2 ?6gh?jy adow v? ( ek ?\*|7 lt ?z_|7 l ) 8? $ f ?\? 11 ?? ???7 l j ? t ?#? ltc6804 ?[@? d ic ??ysh? te ) f??j ?qy] t@y} 150c d?? te)* (4 ?? t? \ bi?k f z2 ?tye ?? f? $? t+?? dk t? \ b ?y thsd z e; f?k t? \ b j? ysh?_* (rdstatb v? ) ? dc ? ? e f clrstat v? z thsd ?? e;? ? b d(( ?4 ?? t? \ b f hit k t? \ b ^sh 4 hit f? ?? ?hiy ? ? d~wb' $l?? ? fi? d ?t? + f t?ty ? d?qp??_y y? ??@ 24\?typ= f ??nq ?e??? ? t@ 2 ?ry? ?t t|? ( ? 21) ? d??n? ??? ^? f?ty ? ? z4 ?? t?? cfgr0-cfgr3 b f? ???? t\? d_??n? ??4 cfgr4 q cfgr5 b f???n???? ? ? ? d wdt ??_. ?j?e?? e; f??n? ??? ^ ??4 ?k d(sht?v? b? b f ?e???\? ?y5?? ? ze ??-5 ? ? k f? ???? ??4\?? d ????n ???ij ?e ???6 ?? f ? ? ij\ ???? d?a swten ?? 1 ? v reg y e; ( ? 10) f $ de ?? ?5?? ? ( i_ 3 ?? t?y dcto =?? ) -5? k f? 12 yg??y? ? ?=qey dcto = f? 13 <ysh??n???e ????+?? ?? t? \yk f 680412fa ltc6804-1/ LTC6804-2 30 ? 13 ??n??? ???? ?iij ? z4 cfrg0-5 b ?iij ? z4 cfrg0-5 b ?iij ? z4 cfrg0-3 b swten = 0 d dcto = xxxx swten = 1 d dcto = 0000 swten = 1 d dcto ! = 0000 t\ t\ ?iij ? z4 cfgr4-5 b ? 12 j dcto ?= dcto ? ? ( r ) 0 t\ 1 0.5 2 1 3 2 4 3 5 4 6 5 7 10 8 15 9 20 a 30 b 40 c 60 d 75 e 90 f 120 ? 10 j??nq ?e??? 680412 f10 v reg swten ltc6804 dcto > 0 2 sw timer timeout dcten en rst clk 1 rst (por or wrcfg done or timeout) (por or valid command) clk osc 16hz osc 16hz wdt wdtpd wdtrst && ~dcten rst1 (resets dcto, dcc) rst2 (resets refup, vuv, vov) wdtrst watchdog timer ?|1 ? * www.linear.com.cn/ltc6804-1 ? t ?#? ltc6804 ?[@? d ic ??ysh? te ) f??j ?qy] t@y} 150c d?? te)* (4 ?? t? \ bi?k f z2 ?tye ?? f? $? t+?? dk t? \ b ?y thsd z e; f?k t? \ b j? ysh?_* (rdstatb v? ) ? dc ? ? e f ?*a # clrstat v? z thsd ?? e;? ? b d(( ?4 ?? t? \ b f hit k t? \ b ^sh 4 hit f? ?? ?hiy ? ? d~wb' $l?? ? fi? d ?t? + f t?ty ? d?qp??_y y? ??@ 24\?typ= f ??nq ?e??? ? t@ 2 ?ry? ?t t|? ( ? 21) ? d??n? ??? ^? f?ty ? ? z4 ?? t?? cfgr0-cfgr3 b f? ???? t\? d_??n? ??4 cfgr4 q cfgr5 b f???n???? ? ? ? d wdt ??_. ?j?e?? e; f??n? ??? ^ ??4 ?k d(sht?v? b? b f ?e???\? ?y5?? ? ze ??-5 ? ? k f? ???? ??4\?? d ????n ???ij ?e ???6 ?? f ? ?ij\ ???? d?a swten ?? 1 ? v reg y e; ( ? 10) f $ de ?? ?5?? ? ( i_ 3 ?? t?y dcto =?? ) -5? k f? 12 yg??y? ? ?=qey dcto = f? 13 <ysh??n???e ????+?? ?? t? \yk f ~??n????? d?sht?v?? d ???? ?6 ? b f ????% ?sht?y wrcfg ( 3 ? ? t? ) v?? ? ? ? b f usg ? dc ???? zt,v?y b@ ???? ^? f ? ???? wrcfg v?y b@ ???ij d? ?? t? z2? 14 ? b f 680412fa 31 ? 15 j comm t??h? t? comm0 comm1 comm2 comm3 comm4 comm5 rd/wr rd/wr rd/wr rd/wr rd/wr rd/wr rd/wr k 7 icom0[3] d0[3] icom1[3] d1[3] icom2[3] d2[3] k 6 icom0[2] d0[2] icom1[2] d1[2] icom2[2] d2[2] k 5 icom0[1] d0[1] icom1[1] d1[1] icom2[1] d2[1] k 4 icom0[0] d0[0] icom1[0] d1[0] icom2[0] d2[0] k 3 d0[7] fcom0[3] d1[7] fcom1[3] d2[7] fcom2[3] k 2 d0[6] fcom0[2] d1[6] fcom1[2] d2[6] fcom2[2] k 1 d0[5] fcom0[1] d1[5] fcom1[1] d2[5] fcom2[1] k 0 d0[4] f com0[0] d1[4] fcom1[0] d2[4] fcom2[0] ? 14 dcto ( ?_yp= ) ?q? ? ( r ) 0 1 2 3 4 5 6 7 8 9 a b c d e f t\ ( e ) ????? ^? 0 < ??? 0.5 0.5 < ??? 1 1 < ??? 2 2 < ??? 3 3 < ??? 4 4 < ??? 5 5 < ??? 10 10 < ??? 15 15 < ??? 20 20 < ??? 30 30 < ??? 40 40 < ??? 60 60 < ??? 75 75 < ??? 90 90 < ??? 120 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # t dt? wrcfg v? ?? d-yp? z ? ?q ?? t? f? ????ij ?-yp??6o0 f ? ???? rdcfg v?y b@ ???ij d? ? ? t? \ z2? 14 ? b fa? d }? crfg4 q crfg5 ??yp?t ?jq&x f ltc6804 j ?\ gpio y i 2 c/spi ? ?? ltc6804-1 q LTC6804-2 jy i/o ly gpio3 e gpio4 q gpio5 \*sh i 2 c e spi ? ??ly d~ i 2 c e spi a ??? | f 1 i 2 c ? ??t d gpio4 q gpio5 9?y i 2 c ?yy sda q scl ly f? spi ? ? ? d gpio3 e gpio4 q gpio5 9?y spi ?yy? o? (csbm) e?r (sckm) qp? (sdiom) ly f gpio j = ?)i da? ,lyj: sh. ?j?e??8? i 2 c e spi ? ?? f?tsh ? ?je cfg t? \? z gpio 3? ?1? d us8 ,ly 1?6 ???? ??-e; f comm t? ltc6804 htsh?? 15 ?jy 6 ? comm t? f t?ysha ??y i 2 c e spi |?y? ?p?q ?s f comm t? ^yc z ? ? }n? ?e } }n?? ?y 3 h dn[7:0] p?? f icomn [3:0] ? ? y ? ? / ? p ? ? ? ? y ? s * f fcomn [3:0] ??y ? ? / ?p??? y ?s * f ? comm t??y icomn[3] ? ?? 1 d??? ?sh i 2 c ? ?? itje ? ?? 0 d ??? z ?sh spi ? ?? f ? 16 \y\? icomn[3:0] q fcomn[3:0] yt?3t d??4a?? ?\*sh i 2 c ? ???y6 f ? 17 \y\? icomn[3:0] q fcomn[3:0] yt?t d??4a?? ?\*sh spi ? ???y6 f ! d%t? 16 q 17 ?yt? icomn[3:0] q fcomn[3:0] jt?y f?aj??? 16 q 17 y? it3 icomn[3:0] q fcomn[3:0] d?t ?? ? i 2 c q spi lyj $.y6 f 680412fa ltc6804-1/ LTC6804-2 32 ? 17 j\? icomn[3:0] q fcomn[3:0] y3t ( spi ? ??j ) ?s t * \ icomn[3:0] 1000 1001 1111 x000 1001 csbm ?-e; csbm ? e; ai (no transmit) csbm ?-e; csbm ? e; spi ly (gpio3) j[sh csbm -e;|? spi ly (gpio3) j[sh csbm e;|? q spi ly( +iqyp? ? ai ?? z csbm -5-e; ? ai ?? z csbm 7 l e; fcomn[3:0] ? 16 j\? icomn[3:0] q fcomn[3:0] y3t ( i 2 c ? ??j ) * \ t 0110 0001 0000 0111 0000 1000 1001 ? (start) t? (stop) (blank) ai (no transmit) ? ??u??? (ack) ? ??i??? (nack) ? ??i??? + t? i 2 c lyj[sh start |? d? ?p? ai i 2 c lyj[sh stop |? \ ? i 2 c lyj1? ?p? ai q sda q scl ( +iqyp? ? ?? k 9 h?r ? ?j[shu??? (ack) |? ? ?? k 9 h?r ? ?j[shi??? (nack) |? ? ??[shi??? (nack) |? d ? t? (stop) |? ?s icomn[3:0] fcomn[3:0] ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # comm v? g h v ? ? ? $ } n ? ? y i 2 c e spi | j wrcomm e stcomm e rdcomm f c c c c c c c c v?\? zp?3q comm t? f ?v? z 6 hp??3 comm t? f pec @ p?ykl3] f? pec ?? ? d? comm t?? y?tp? csb e;? ? ? e? ?1? ft?3v ??y? ? ? <txd ? ? f c c c c c c c v? a gpio lyjij i 2 c/spi | f comm t? ^ 3 hc z ? ?a ??yp?? fv?y b ? ? d comm t??yp? ? ? ai }ny i 2 c e spi ?? dt } i 2 c e spi ? ? ?yp?? ? comm t?? f? i 2 c | dv? ?\ gpio4 (sda) q gpio5 (scl) dt? s p i | d v ? ? ? \ g p i o 3 ( c s b m ) e g p i o 4 (sdiom) q gpio5 (sckm) f stcomm v?? z'? 24 h?r ? ? d?a csb - 5?-e;y ?1h zhp?? ai }n?? f7 ? j? ?a 3 hp?? aia ?? d? ? ? stcomm v??i pec d? j 72 h?r ? ? f stcomm v? y 72 h?r ? ?ykl z csb ? e; f i 2 c e spi | ? ? d } }n?? ?yp? comm t?? ??- f c c c c c c c c } }n?? ?yp? ?\ rdcomm v? } comm t??? fv??? 6 h ? pec y p?? ft??v??y? ? ? <txd ? ? f ? 18 \y?a??\*sh i 2 c ? ??? icomn[3:0] q fcomn[3:0] y\??t f dn[3:0] ^_ i 2 c ? ?? ? ?yp??ek } i 2 c a ?? ?yp?? f ?? ?\* spi ? ??y d\? icomn[3:0] q fcomn[3:0] y??t? ^9? 0111 q 1111 f dn[3:0] ^_ spi ? ?? ? ?yp??ek } spi a ?? ?yp?? f ? 11 jy ltc6804 *?sh ?\ gpio y i 2 c e spi ? ???y?*a # f ?\ ,v? z? pfy?? 3 h??s \ ? ? a ?? f gpio ly z?6??y stcomm v?? ? ? b f?@ d ??v?? ?y ? ? t@y 2 ? d? ??n z t?(4ly b?= f wrcomm v? j stcomm v? j rdcomm v? j 680412fa 33 ? 18 j\? icomn[3:0] q fcomn[3:0] y?t ( i 2 c ? ??j ) \ ? ??[sh ? (start) |? ? ??[sh t? (stop) |? (blank) e sda ?? ?-5?-e; (blank) e sda ?? ?-5? e; ? ??[shu??? (ack) |? a ??[shu??? (ack) |? a ??[shi??? (nack) |? ?s icomn[3:0] fcomn[3:0] ? 11 j ?\ gpio y ltc6804 i 2 c/spi ? ?? 680412 f11 comm register gpio port i 2 c/spi slave port a rdcomm wrcomm stcomm ltc6804-1/LTC6804-2 ? 12 jsh i 2 c ? ??y stcomm ??? sda (gpio4) 680412 f12 scl (gpio5) no transmit sda (gpio4) scl (gpio5) stop sda (gpio4) scl (gpio5) start ack sda (gpio4) scl (gpio5) start nack + stop sda (gpio4) scl (gpio5) blank nack (sck) t clk t 4 t 3 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # t 0110 0001 0000 0111 0000 0111 1111 0001 1001 a ??[shu??? (ack) |? d? ?? [sh t? (stop) |? a ??[shi??? (nack) |? d? ? ?[sh t? (stop) |? ? ? ?\sh i 2 c ? ??8 aie?hp?? d??h p?ty ??%sh start |? fp?tykl? ?sh stop |? f?ty? ?p? \?p?? ??4\sh blank t d(p??? ? ? ?\s h a c k / n a c k | ? f s d a q s c l z ? 6 ? ? y stcomm v?? ? ? b f ? ? ?\sh spi ? ??8 aie?hp?? d? k shp??y ?? ? ?sh csbm -e;|? f? fcomn [3:0] j4\gty? ?p? \ d csbm ? -5-e;e ?? e; f e shp??ykl ? ?sh csbm e;|? f csbm e sdiom q sckm z ?6??y stcomm v?? ? ? b f ? 1 2 j y ? ? ? ? | ? ? i 2 c ? ? ? y stcomm v ? ? y 24 h ? r ? ? f ! d ? ? icomn[3:0] ??ysg stop a? d? stop |? ? ? ?? d sda q scl t)-5 e; dt?yiq ??y?tp?i ? + f? icomn[3:0] jsh no transmit d? sda q scl t) ? ?q dt??y iqp? ? + f ??yth $????@~sha ? ? ? |?4\ f 680412fa ltc6804-1/ LTC6804-2 34 ? 13 jsh spi ? ??y stcomm ??? sdiom (gpio4) 680412 f13 sckm (gpio5) csbm high/no transmit csbm (gpio3) sdiom (gpio4) sckm (gpio5) csbm (gpio3) csbm low csbm low high sdiom (gpio4) sckm (gpio5) csbm (gpio3) csbm high low csbm low (sck) t clk t 4 t 3 ? 19 j i 2 c ? ???? i 2 c ? ?? p sck ?r? t hd i sta t low t high t su i sta t hd i dat t su i dat t su i sto t buf ~? spi ?yy ??? 1/(2 ? t clk ) t 3 t clk t clk t clk + t 4 * t 4 * t 3 t clk + t 4 * 3 ? t clk t clk = 1 s ?y ?? ?? e}= 500khz e?= 200ns e?= 1 s e?= 1 s e?= 1.03 s e?= 30ns e?= 1 s e?= 1.03 s e?= 3 s * ! j? ?\ isospi ? d t 4 ? ? *[ e?=? 30ns ft d t 3 = t clk ? t 4 f? ?\ spi ? d t 3 q t 4 j sck i]y-e;q e;? ? d ht 200ns y ?? e?= f ? 20 j spi ? ???? spi ? ?? p sdiom t? ( sckm jom ) ~? spi ?yy ??? t 3 t clk + t 4 * t clk t clk 2 ? t clk 3 ? t clk 5 ? t clk + t 4 * t 3 t clk + t 3 t clk = 1 s ?y ?? ?? e?= 200ns e?= 1.03 s e?= 1 s e?= 1 s e?= 2 s e?= 3 s e?= 5.03 s e?= 200ns e?= 1.2 s sdiom t? ( } sckm jo-5 ) sckm ?-e; sckm ? e; csbm ? 1 sckm jo csbm jo csbm h% sckm h% csbm h% sckm jo sckm h% sdiom t? ? ?? < t clk * ! j? ?\ isospi ? d t 4 ? ? *[ e?=? 30ns ft d t 3 = t clk ? t 4 f? ?\ spi ? d t 3 q t 4 j sck i]y-e;q e;? ? d ht 200ns y ?? e?= f ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ? 13 jy? ? spi ? ??y stcomm v?? y 24 h?r ? ? f~ i 2 c ? ??' d? icomn[3:0] ? ?ysg csbm high e no transmit a? d? spi ? ??y csbm e sckm q sdiom t) ?q dt?? yiqp? ? + f i 2 c q spi ? ??y?? ?? ltc6804 i 2 c e spi ? ??y?? za ?? ltc6804 ? spi ?yjy |?? f? 19 y i 2 c ? ????~? spi ?ry? f? 20 - spi ? ???? ?? f sckm ? ? (sckm_low + sckm_high) 680412fa 35 ? 14 j,t spi ?? daisy-chain support 680412 f14 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 miso mosi clk cs v dd mpu ipb imb icmp ibias sdo (nc) sdi (nc) sck (ipa) csb (ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 gpio2 gpio1 c0 s1 ltc6804-1 address pins 5k 5k v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 miso mosi clk cs v dd mpu a3 a2 a1 a0 sdo (ibias) sdi (icmp) sck (ipa) csb (ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 gpio2 gpio1 c0 s1 LTC6804-2 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ?y? ltc6804 jtgly dc jshz_y,t . ?y (spi) qshgt^n ?y (isospi) f ? isomd ??yk d?a?? 41 44 ???g te,tly f ltc6804 tgghi j ltc6804-1 q LTC6804-2 f ltc6804-1 \? @ ?? dt LTC6804-2 ?\? 0 g<t ?? f ltc6804-1 d6y ?\?? 45 - 48 y kz h isospi ?y f LTC6804-2 ?\?? 45 - 48 8 ?? ?y?g ( @ z ,?? 1 ? v ? e v reg ) f ,t. ?y (spi) j #4 . ? 1 ? a isomd 1 ? v ? ?,t spi 8 ??ly a f sdo ??jsh = ?)i dish 1 ? geueyj?e?? ( ? 14) f ?? ,tly ???sh ?\ cpha = 1 q cpol = 1 y spi ? u?6* fa? d sdi jyp? sck yj o6 ? ?@ 2-5? f?? \-?? 15 f e}p? o ? 1mbps f 680412fa ltc6804-1/ LTC6804-2 36 ? 15 j,t. ?yy??? ? 16 j isospi ?y 680412 f15 sdi sck d3 d2 d1 d0 d7?d4 d3 current command previous command t 7 t 8 t 6 t 5 sdo csb d3 d4 d2 d1 d0 d7?d4 d3 t 1 t 2 t 3 t 4 680412 f16 ima or imb r m ibias v icmp /3 + 167mv i b r b1 icmp 2v ipa or ipb logic and memory tx = +1 tx ? 20 ? i b tx = ?1 sdo tx = 0 pulse encoder/ decoder sdi sck csb wakeup circuit (on port a) ltc6804 + ? + ? ? + ? ? rx = +1 rx = ?1 rx = 0 35k idle v reg idle 35k r b2 comparator threshold = ? v icmp 2 1 0.5x ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # gt^n ?y (isospi) j #4 gt ? y d 6 y s g ? \ y p t e y 8 ? $ ltc6804 ??? 1y, f ?y y? ?- y ( ??ey6ja rf > yb ) t f^n @sh . ? ?? $ f z_y spi |? ?? ? f ? ? ? y vq ? ?y?"e;_gh. ?e?? ? f\ @ ?e ??y?= ? s~?j ?? ? ??e f ? 16 jy isospi e)y?*a # fsh 2v ?_ a ibias ?? f. ?e?? r b1 q r b2 *[ ?_et i b f et\? ? ? ??y v f$. d r b1 q r b2 ? icmp ??j?y 2v ?_ysh? f ?y ? ?e)y?"e f 680412fa 37 i b = 2v r b1 + r b2 = 0.5ma i drv = i ip = i im = 20 ? i b = 10ma v icmp = 2v ? r b2 r b1 + r b2 = i b ? r b2 = 60 3mv v tcmp = 0.5 ? v icmp = 30 2mv v a = i drv ? r m 2 = 0.6v ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # . ? 1 ? ltc6804-1 htgh ?h?ly b qly a yly f ly b ? ^ ? ???shgt ?y ( ? ?? ) f @?y e sh???4\ly d(4e ^ ? r m fly a jshgte,t ?y ( a ?? ) d _?? isomd ? ?y 1 ? f ? 17 jyh? pcb ( ^sh ltc6804-1) ? : x? 1y?7 f ? #??s ? y pcb j f?y ? #? pcb q ksh ltc6804-1 pcb ? ?? $gt ^n d ?\y ltc6820 ?5 ic f ltc6820 ?j~ ? 16 ?yj?j ?y f LTC6804-2 ht hly ( ly a) d v isomd ?? ky?? dly?jgte,t f? ? gt | ? ??? d?a ;h?? 1 ??sg? ?? d ?? 18 ?j f ltc6820 ic \? z mpu ( ? ?? ) 1 ? LTC6804-2 ( a ?? ) f o? ?e?? y|? 7a ? u @|? ?8z8 l_ | :x y d dt ya0??"?4? u ? d|?&0 ?dt f isospi ? ? ? e t q a 0 ? e ? " _ s h ? ibias q v ? ? ?ye?? (r bias = r b1 + r b2 ) ? f? ye 1 ? icmp ?? di za0??" ??e (v icmp ) y 1/2 f??s isospi ?y ?4 ? ( idle) ? d ibias -5? 2v d }t?4 } ibias ?? tshet i b f ip q im ?? et? 20 ? i b f 7? d?e?? r b1 ? 2.8k de?? r b2 ? 1.21k ( u r bias = 4k) d? j 7? d ? et i drv z? 10ma dt ??a0 ? z ? ip-im 7}? 302mv y ? f ??^n e ?\_p t 1 ?(sl ^ ?y 120 ? e??y 1:1 ? d? ai|? 7 () z? j ( hq +yt ? ? 7y ?qey& ? ) f isospi ? z gh ltc6804 ?? ? d @sh^n e8?? ? ?q ? ? ?? $ | f ? ??iggee; j +v a e 0v q ?v a f 1e??gly ip 6eetq im v et *[shmi f ip vetq im 6eet? *[ sh e f?ghii?? d 1e? z vsi ? 0v f 680412fa 680412 f18 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 a3 a2 a1 a0 sdo (ibias) sdi (icmp) sck (ipa) csb (ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 gpio2 gpio1 c0 s1 LTC6804-2 address = 0x0 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 a3 a2 a1 a0 sdo (ibias) sdi (icmp) sck (ipa) csb (ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 gpio2 gpio1 c0 s1 LTC6804-2 address = 0x1 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 a3 a2 a1 a0 sdo (ibias) sdi (icmp) sck (ipa) csb (ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 gpio2 gpio1 c0 s1 LTC6804-2 address = 0x2 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 a3 a2 a1 a0 sdo (ibias) sdi (icmp) sck (ipa) csb (ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 gpio2 gpio1 c0 s1 LTC6804-2 address = 0x3 ? ? ? ? ? ? ? ? vdds en miso mosi sck cs vdd pol pha mstr icmp ibias gnd slow ip im miso mosi clk cs v dd mpu ltc6820 ? ? 680412 f17 vdds en miso mosi sck cs vdd pol pha mstr icmp ibias gnd slow ip im miso mosi clk cs v dd mpu ltc6820 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 ipb imb icmp ibias sdo (nc) sdi (nc) sck (ipa) csb (ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 gpio2 gpio1 c0 s1 ltc6804-1 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 ipb imb icmp ibias sdo (nc) sdi (nc) sck (ipa) csb (ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 gpio2 gpio1 c0 s1 ltc6804-1 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 ipb imb icmp ibias sdo (nc) sdi (nc) sck (ipa) csb (ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 gpio2 gpio1 c0 s1 ltc6804-1 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 ipb imb icmp ibias sdo (nc) sdi (nc) sck (ipa) csb (ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 gpio2 gpio1 c0 s1 ltc6804-1 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ltc6804-1/ LTC6804-2 38 ?*a # ? 18 j ?\ LTC6804-2 y? ?? ? 17 j ?\ ltc6804-1 y ?^n @ ?? ?|1 ? * www.linear.com.cn/ltc6804-1 680412fa 39 ? 21 j isospi ? ? ? +1 ? ?1 ? +1 ? ?1 ksge; (t 1/2pw ) +v a (150ns) ?v a (150ns) +v a (50ns) ?v a (50ns) kzge; (t 1/2pw ) ?v a (150ns) +v a (150ns) ?v a (50ns) +v a (50ns) ^?e; 0v 0v 0v 0v ? 22 j ltc6804-1 ly b ( ? ?? ) isospi ly ? |+? ( ly a spi) ai ? ( ly b isospi) csb jo csb h% sck jo6 d sdi = 1 sck jo6 d sdi = 0 ? +1 ? ?1 ? +1 ? ?1 ? 19 j isospi ? z +v tcmp +v a ?v tcmp v ip ? v im +1 pulse ?v a t 1/2pw t inv t 1/2pw +v tcmp +v a ?v tcmp v ip ? v im ?v a t 1/2pw t inv t 1/2pw 680412 f19 ?1 pulse ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ?y e dc |? ?(# vf d isospi ?\ygg ??y ? ? f a ai 4 ? d?? 21 ?j fs h +1 ? z*?shm ? 8 ai ( ?sh ? ) fs h ?1 ? z*?sh ? 8 ai ( ?shm ? ) f h ? y5?? ? ??? t 1/2pw da?4a?? hys f ( <y isospi ? 5?? ?? 2 ? t 1/2pw ) f ?y4\gt ?y dsh? ?s??@[ isospi ? f? u?y ksh ltc6804 ?\ily a jy,t spi ?y~ ?s? ? | d 4\ily b jy gt isospi ?y @ 1 ?iy ltc6804 fek dp ?4\sh ltc6820 z spi |?7 l? isospi ? f ^ n e y $ s ( c j e y y $ s l ) d k z h ltc6804 zht isomd = v reg fily a ?sh }n isospi ?yy*\ f4 ?sh ai ? (? ? ? spi |? d?? 23 ?j f?. dsh read v? ? ? ly?? ai??p? ? f ly a ? spi ??? ltc6804-1 y* ? ltc6804-1 ly a *?sh spi (isomd = v ? ) y ? 1h6*? d spi z ? 4 g |+??s j csb h% e csb jo e sck jo (sdi = 0) q sck jo (sdi = 1) f g+? ?7 l? 4 g ? ?s d? @ ltc6804-1 @ ? ai f? ? \? ai csb dt ? ? ?\? a ip? d?? 22 ?-y u f 680412fa ltc6804-1/ LTC6804-2 40 ? 20 j isospi ??? ? 23 j ltc6804-1 ly a ( a ?? ) isospi ly ? ? ? ( ly a isospi) ? ? spi ly * ?? ? ? +1 ? ?1 csb e; csb -e; 1. ? sdi = 1 2. ? sck ? ?1 ? ( ???_sh 0 ) ( ??? ?? read |ek?_ sh 1 d? ?? ? ) 1. ? sdi = 0 2. ? sck ? +1 ? ?1 680412 f20 sdi sck sdo csb iso a2 iso b2 iso a3 iso b1 read data command 6000 5000 4000 3000 2000 1000 0 t 7 t 6 t 5 t rtn t 11 t 10 t 2 t 1 t clk t 4 t 3 t rise t dsy(cs) t 8 t 9 t dsy(cs) z n-1 z n-1 z n z n w 0 w 0 w n w n y n-1 y n-1 y n y n w 0 w 0 x n-1 x n z 0 w n w n t dsy(d) t 10 ?|1 ? * www.linear.com.cn/ltc6804-1 0-y isospi ly ( ly a) }? ai? (csb) ? f? . dsh }n isospi ly z% ai? ?1 ? dt ?6 aish +1 ? f? ??ly zde?*sh h ?1? f 4 { eyj 1 ?h }n??t?6t ? [ y,? ( ? ) f ?*a # ? 20 jysh ? ? @ ltc6804-1 ??y read v?y isospi ??? f isomd ?? 1 ?l??jy v ? da?ily a ? ???sh spi ly (csb e sck e sdi q sdo) f??jygh <??y isospi |? d z!yly (a e b) q??? f! d iso b1 q iso a2 ??jj?y|? d(j? 1 ??? 1 q 2 y a ieyyslj f?u d iso b2 q iso a 3 pj?y |? d(htj??? 2 q 3 ? ?yeyp f w n w 0 8yj read v?y 16 v?tq 16 pec f w 0 ykl d 3 h?? read v? ? d ( e?r sck yhshjo6jt?yp? f x n x 0 8yj_?? 1 eyp? f y n y 0 8yj_? ? 2 eyp? d z n z 0 8yj_?? 3 eyp ? f?typ?i?sg @y }?? 1 jy sdo l y?? f t ?y ?ly a j5? t idle y? ?t * d?ly (spi e isospi) z ?]- idle k f wakeup e) a9 v?? 41 q 42 jy * f ?? isomd = v ? d?ly a ?? spi | f csb e sck ??jy * z t spi ?y f? isomd = v reg d? ly a ?? isospi | f ipa-imb jy * z t isospi ?y f? isospi k t wake e t ready ?? ( _ ???k d ? 1 qk \ ) ready ? d ltc6804 z ? |y_ f ltc6804-1 ?y |_ ? ?ly b j ? ?sh? +1 ? f @ ??? d ? t < ??yhsh? ? d ? 9 z t?hsh?? f? < ??t ?n? h? ? d??t?? z n ? t wake e n ? t ready y? ??? ( _???k ) je f?}y < ? d? ? n ? t wake t ? ?e}? t idle f ? d y? ? t@y n ? t wake ? d? ? ? ?$sh h?( n ? t ready y? ? d??-?ty??i ?? ready k f ? 21 jy??q ?j ?ye) f?||? z?6 t ?y f ?y y? ?sh}|? l ? esh - 7h ? ? tt f|? |sck(ipa) ? csb(ima)| t dwell = 240ns y e?5?? ?@ 2? ? v wake = 200mv d?6 ??*jshg ?y ? jey t|? f p?)4 ltc6804 jy?tp???? \ ? ai fh? < 8 h f?y ai } e t? (msb) ?? f csb @ 2?hv??? ? ? ( <shv??q ?p?? ? ) -5-e; f b3v?? dp? csb yjo6 ?a? f c 4 y? ? y? ? (pec) jsg 15 c/? (crc) = di ?sh t? \?y?t(2k4ay a ? ?q dq@ ? ?\y 000000000010000 y?? pec g=qh&y $d j x15 + x14 + x10 + x8 + x7 + x4 + x3 + 1 f?yq 15 pec = d?ms g y ?? j 680412fa 41 ? 21 j t ?q idle ??? 680412 f21 csb or ima sck or ipa |sck(ipa) - csb(ima)| wake-up state rejects common mode noise wake-up csb or ima sck or ipa low power mode t idle > 4.5ms t ready < 10s t dwell = 240ns v wake = 200mv low power mode ok to communicate t dwell = 240ns delay retriggerable t idle = 5.5ms one-shot ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 0-y isospi ly ( ly a) }? ai? (csb) ? f? . dsh }n isospi ly z% ai? ?1 ? dt ?6 aish +1 ? f? ??ly zde?*sh h ?1? f 4 { eyj 1 ?h }n??t?6t ? [ y,? ( ? ) f ? 20 jysh ? ? @ ltc6804-1 ??y read v?y isospi ??? f isomd ?? 1 ?l??jy v ? da?ily a ? ???sh spi ly (csb e sck e sdi q sdo) f??jygh <??y isospi |? d z!yly (a e b) q??? f! d iso b1 q iso a2 ??jj?y|? d(j? 1 ??? 1 q 2 y a ieyyslj f?u d iso b2 q iso a3 pj?y |? d(htj??? 2 q 3 ? ?yeyp f w n w 0 8yj read v?y 16 v?tq 16 pec f w 0 ykl d 3 h?? read v? ? d ( e?r sck yhshjo6jt?yp? f x n ?*a # x 0 8yj_?? 1 eyp? f y n y 0 8yj_? ? 2 eyp? d z n z 0 8yj_?? 3 eyp ? f?typ?i?sg @y }?? 1 jy sdo l y?? f t ?y ?ly a j5? t idle y? ?t * d?ly (spi e isospi) z ?]- idle k f wakeup e) a9 v?? 41 q 42 jy * f ?? isomd = v ? d?ly a ?? spi | f csb e sck ??jy * z t spi ?y f? isomd = v reg d? ly a ?? isospi | f ipa-imb jy * z t isospi ?y f? isospi k t wake e t ready ?? ( _ ???k d ? 1 qk \ ) ready ? d ltc6804 z ? |y_ f ltc6804-1 ?y |_ ? ?ly b j ? ?sh? +1 ? f @ ??? d ? t < ??yhsh? ? d ? 9 z t?hsh?? f? < ??t ?n? h? ? d??t?? z n ? t wake e n ? t ready y? ??? ( _???k ) je f?}y < ? d? ? n ? t wake t ? ?e}? t idle f ? d y? ? t@y n ? t wake ? d? ? ? ?$sh h?( n ? t ready y? ? d??-?ty??i ?? ready k f ? 21 jy??q ?j ?ye) f?||? z?6 t ?y f ?y y? ?sh}|? l ? esh - 7h ? ? tt f|? |sck(ipa) ? csb(ima)| t dwell = 240ns y e?5?? ?@ 2? ? v wake = 200mv d?6 ??*jshg ?y ? jey t|? f p?)4 ltc6804 jy?tp???? \ ? ai fh? < 8 h f?y ai } e t? (msb) ?? f csb @ 2?hv??? ? ? ( <shv??q ?p?? ? ) -5-e; f b3v?? dp? csb yjo6 ?a? f c 4 y? ? y? ? (pec) jsg 15 c/? (crc) = di ?sh t? \?y?t(2k4ay a ? ?q dq@ ? ?\y 000000000010000 y?? pec g=qh&y $d j x15 + x14 + x10 + x8 + x7 + x4 + x3 + 1 f?yq 15 pec = d?ms g y ?? j 680412fa ltc6804-1/ LTC6804-2 42 ? 22 j 15 pec qe) 680412 f22 din i/p o/p i/p pec register bit x xor gate x 0 1 2 3 4 5 6 7 8 9 14 10 11 12 13 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # 1. z pec ??? 000000000010000 (pec jsh 15 t? \ ) 2. ?hi] pec t? \y din d ? j in0 = din xor pec [14] in3 = in0 xor pec [2] in4 = in0 xor pec [3] in7 = in0 xor pec [6] in8 = in0 xor pec [7] in10 = in0 xor pec [9] in14 = in0 xor pec [13] 3. 2h&y ??- 15 pec pec [14] = in14 d pec [13] = pec [12] d pec [12] = pec [11] d pec [11] = pec [10] d pec [10] = in10 d pec [9] = pec [8] d pec [8] = in8 d pec [7] = in7 d pec [6] = pec [5] d pec [5] = pec [4] d pec [4] = in4 d pec [3] = in3 d pec [2] = pec [1], pec [1] = pec [0], pec [0] = in0 4. ?? k 2 \q?tp?i ?7 e?? f e ^y pec (16 ) j 15 y pec t?y= di lsb j? ysh=? 0 y f ? 22 jyjyq, f? 24 ?xyqsh 16 ? (ox0001) y pec y7 f? lsb j ysh 0 ? d 0x0001 y pec q=? 0x3d6e f???yp? t d pec ? ? pec t?y e syklt? f ltc6804 q? ?v?ep?y pec d( z?~ v? ep?? y pec ?a0 f%t pec ? ?y ?1 h dv?ep??6 ? v?t? f$. d ltc6804 ?i e p ? y k l ? q y p e c f ? 2 5 ? y ltc6804 3]p?e } ltc6804 ?_p??y pec ? f ? ltc6804 3 ] ? v ? ? d v ? ? cmd0 q cmd1 ( ? 32 q? 33) ?? pec ? pec0 q pec1 z 2h? ?ly a j ? ? j cmd0 d cmd1 d pec0 d pec1 @ ltc6804-1 ?? ?qsh?g3v?? dp ? z ? ? ?h?? d? ? ?yj pec f7? j?a ?? t? \3gh @?? ( ???? p d <?? ? s) ? dp? z2?h ? ? ?ly a jy??? j cfgr0(s) d ... d cfgr5(s) d pec0(s) d pec1(s) d cfgr0(p) d ... d cfgr5(p) d pec0(p) d pec1(p) sh\? @??y?v?? dh?? zly a j eip?q4?ip?qy pec d ly b j e ?p? f7? d? }gh @?? ( ???? p d <??? s) ?_k t? \ b ? d??? z2?h ?ly a j ? ?p? j stbr0(p) d ... d stbr5(p) d pec0(p) d pec1(p) d stbr0(s) d ... d stbr5(s) d pec0(s) d pec1(s) 680412fa 43 ? 24 j ? 0x0001 y pec q pec[14] pec[13] pec[12] pec[11] pec[10] pec[9] pec[8] pec[7] pec[6] pec[5] pec[4] pec[3] pec[2] pec[1] pec[0] in14 in10 in8 in7 in4 in3 in0 din ?r ? ? 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 3 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 5 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 1 0 1 0 0 0 1 0 1 1 0 0 1 1 0 0 1 1 1 0 1 0 1 1 0 11 1 0 0 1 1 1 0 1 0 1 0 1 0 1 1 1 0 0 1 0 1 1 0 12 1 0 1 1 0 0 0 1 1 0 0 1 1 1 1 1 1 0 0 0 0 1 0 13 1 1 1 0 1 0 0 0 0 0 0 0 1 1 1 0 1 1 1 1 0 1 0 14 0 1 0 1 1 0 1 1 0 0 1 0 1 1 1 0 1 0 1 1 0 1 1 15 0 0 1 1 1 1 0 1 0 1 1 0 1 1 1 16 0 0 1 1 1 1 0 1 0 1 1 0 1 1 1 0 pec ? ? 25 j3 / ? pec ? pec0 pec1 rd/wr h rd/wr rd/wr k 7 pec[14] pec[6] k 6 pec[13] pec[5] k 5 pec[12] pec[4] k 4 pec[11] pec[3] k 3 pec[10] pec[2] k 2 pec[9] pec[1] k 1 pec[8] pec[0] k 0 pec[7] 0 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 4. ?? k 2 \q?tp?i ?7 e?? f e ^y pec (16 ) j 15 y pec t?y= di lsb j? ysh=? 0 y f ? 22 jyjyq, f? 24 ?xyqsh 16 ? (ox0001) y pec y7 f? lsb j ysh 0 ? d 0x0001 y pec q=? 0x3d6e f???yp? t d pec ? ? pec t?y e syklt? f ltc6804 q? ?v?ep?y pec d( z?~ v?ep?? y pec ?a0 f%t pec ? ?y ?1 h dv?ep??6 ? v?t? f$. d ltc6804 ?i e p ? y k l ? q y p e c f ? 2 5 ? y ltc6804 3]p?e } ltc6804 ?_p??y pec ? f ? ltc6804 3 ] ? v ? ? d v ? ? cmd0 q cmd1 ( ? 32 q? 33) ?? pec ? pec0 q pec1 z 2h? ?ly a j ? ? j cmd0 d cmd1 d pec0 d pec1 @ ltc6804-1 ?? ?qsh?g3v?? dp ? z ? ? ?h?? d? ? ?yj pec f7? j?a ?? t? \3gh @?? ( ???? p d <?? ? s) ? dp? z2?h ? ? ?ly a jy??? j cfgr0(s) d ... d cfgr5(s) d pec0(s) d pec1(s) d cfgr0(p) d ... d cfgr5(p) d pec0(p) d pec1(p) sh\? @??y?v?? dh?? zly a j eip?q4?ip?qy pec d ly b j e ?p? f7? d? }gh @?? ( ???? p d <??? s) ?_k t? \ b ? d??? z2?h ?ly a j ? ?p? j stbr0(p) d ... d stbr5(p) d pec0(p) d pec1(p) d stbr0(s) d ... d stbr5(s) d pec0(s) d pec1(s) ?gv? ?gv?jsg<tjy?t?? ? zi eyv ? d ~ ? ? ? g ? f v ? ~ lt c 6 8 0 4 - 1 q LTC6804-2 ?? ?4\ f ? <txd ? ? ?gv? ? f;\?gv????ty?? ? ?v? f ?*a # 680412fa ltc6804-1/ LTC6804-2 44 ? 23 jsh adc 7 lv?? y sdo c ? 24 j ?\ pladc v?y sdo c 680412 f23 sdi sck t cycle sdo csb msb(cmd) lsb(pec) bit 14(cmd) 680412 f24 sdi sck sdo csb msb(cmd) lsb(pec) conversion done bit 14(cmd) ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ( ??? d g\? adc 7 l?qc (polling command) v? f??t?? ? ?3]?yp?? di ?~3v?s ?4\ f?g?v??e( ???4 \ f @ ??%?5?gv? f?y?t???? ?v? ? f7? d?sh?? < ??ij adc 7 l z ? ?s h adcv v? d?ty?? z?? ? 7 l* f?? q3v? d ? ? hv? d <????j ysh tl e t? di?yp? @h?? e < ??y hsh?? f ? ??7 ? ? f ?gv? ?gv?jsg%t<tjy ? 0g??i eyv ? f?gv? ?~ LTC6804-2 ??s ?4\ f ? <tx d ? ? ?gv?? f c (polling command) , ?? adc ?y e ,j+ ?s? ? sh adc 7 l( ??y7 l? ?@? ??_ f @ |?? 5c f ? spi | ? |y( ??? (isomd ?? 1 ? -e; ) dtggc, f ksg,j ? ?ysh adc 7 lv?? z csb -5-e; fi]ysh7 lv?? d sdo t) z???? b7 l*? ? -e; ( ? 23) f????y7 l*? sdo ?? e; f?@ d? csb ? sdo p z?? e; d c4???j?7 l*y ?1hp?7. fsh ? 0 g?? ??ik8 sdo t) f g,ys h *zj j ?s? adc *?y@ ??? ?_ ? biy | fhsg,4y g?" f ?s?? ? ?sh adc ? v? d ? 9 bi? d ? ?shc adc 7 l?k (pladc) v?? ?? adc 7 lyk ( ? 24) fi]y pladc v?? d sdo z???? b7 l*? -e; f sdo 7 l* ?? ?? e; f t d? csbi ? sdo p z e; dc4???j?7 l*y ? 1hp?7. f ? ??7 ? ? #u?? ?\( ??y ?1h4\ pladc v? f ? isospi | ? |y( ??? d- ly ?i ? ?ysh? ?? isospi ? e dc aishp ? ? fa? d ?\j?sgc,i]v?? d isospi p? ? z ? ? ?????-7 lk f , ? ?\ ltc6820 8 ? ? ( ?i sck ?? ?? c ) f ? ? d ltc6804 yej j? ?sh isospi ? ( ??i ?? b7 l* ) e?? ? ? ( ??i??7 l* ) f?sh csb e; isospi ? ? ? ? ltc6804 d?i z cv? f <txd c c c c c? 27 31 y?gv?q?gv?yxd ? f? 26 j\?a?xdj?y wl f 680412fa 45 ? 26 jxd wl cmd0 cmd1 pec0 pec1 n n kshv?? ( ? 32 q 33) kzhv?? ( ? 32 q 33) ksh pec ? ( ? 25) kzh pec ? ( ? 25) ?ypf xdy? ? ? ??a ?? a ??? ?? ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ( ??? d g\? adc 7 l?qc (polling command) v? f??t?? ? ?3]?yp?? di ?~3v?s ?4\ f?g?v??e( ???4 \ f @ ??%?5?gv? f?y?t???? ?v? ? f7? d?sh?? < ??ij adc 7 l z ? ?s h adcv v? d?ty?? z?? ? 7 l* f?? q3v? d ? ? hv? d <????j ysh tl e t? di?yp? @h?? e < ??y hsh?? f ? ??7 ? ? f ?gv? ?gv?jsg%t<tjy ? 0g??i eyv ? f?gv? ?~ LTC6804-2 ??s ?4\ f ? <tx d ? ? ?gv?? f c (polling command) , ?? adc ?y e ,j+ ?s? ? sh adc 7 l( ??y7 l? ?@? ??_ f @ |?? 5c f ? spi | ? |y( ??? (isomd ?? 1 ? -e; ) dtggc, f ksg,j ? ?ysh adc 7 lv?? z csb -5-e; fi]ysh7 lv?? d sdo t) z???? b7 l*? ? -e; ( ? 23) f????y7 l*? sdo ?? e; f?@ d? csb ? sdo p z?? e; d ?*a # c4???j?7 l*y ?1hp?7. fsh ? 0 g?? ??ik8 sdo t) f g,ys h *zj j ?s? adc *?y@ ??? ?_ ? biy | fhsg,4y g?" f ?s?? ? ?sh adc ? v? d ? 9 bi? d ? ?shc adc 7 l?k (pladc) v?? ?? adc 7 lyk ( ? 24) fi]y pladc v?? d sdo z???? b7 l*? -e; f sdo 7 l* ?? ?? e; f t d? csbi ? sdo p z e; dc4???j?7 l*y ? 1hp?7. f ? ??7 ? ? #u?? ?\( ??y ?1h4\ pladc v? f ? isospi | ? |y( ??? d- ly ?i ? ?ysh? ?? isospi ? e dc aishp ? ? fa? d ?\j?sgc,i]v?? d isospi p? ? z ? ? ?????-7 lk f , ? ?\ ltc6820 8 ? ? ( ?i sck ?? ?? c ) f ? ? d ltc6804 yej j? ?sh isospi ? ( ??i ?? b7 l* ) e?? ? ? ( ??i??7 l* ) f?sh csb e; isospi ? ? ? ? ltc6804 d?i z cv? f <txd c c c c c? 27 31 y?gv?q?gv?yxd ? f? 26 j\?a?xdj?y wl f c c c c c ?gv?q?gv?y?9j?? 32 q? 33 f 11 v?t cc[10:0] ?sh?gv?esh? gv?j?y f? 34 y?tv?ty ? f? cmd0[7] cmd0[3] d?gv?htshp= 0 f? c m d 0 [ 7 ] d ? g v ? h t s h p = 1 d ? j cmd0[6:3] ?y?? 4 ?g (a3 e a2 e a1 e a0) f% t??? a3 a0 jy??j #?g~?gv?? ??y ?g? ?? d ? 0gy???6sh?gv? e f\??gq?gv?y pec @ 2?h 16 v? (cmd0 q cmd1) jq f v? ? 34 ?y ? ltc6804-1 q LTC6804-2 y?tv?? io f v?? j xd? j 680412fa ltc6804-1/ LTC6804-2 46 ? 27 j?g / ?gcv? 8 cmd0 8 cmd1 8 pec0 8 pec1 cp? ? 28 j?g3v? 8 cmd0 8 cmd1 8 pec0 8 p??- 8 p?? 8 pec0 8 pec1 8 pec1 8 e? 1 n 8 e? n n ? 29 j?g3v? 8 cmd0 8 cmd1 8 pec0 8 pec1 8 p??- n 8 p?? 8 pec0 8 pec1 ? 30 j?g?v? 8 cmd0 8 cmd1 8 pec0 8 pec1 8 p??- 8 p?? 8 pec0 8 pec1 8 e? 1 8 e? n n n ? 31 j?g?v? 8 cmd0 8 cmd1 8 pec0 8 pec1 8 p??- 8 p?? 8 pec0 8 pec1 n ? 32 j?gv?? h cmd0 cmd1 rd/wr wr wr k 7 0 cc[7] k 6 0 cc[6] k 5 0 cc[5] k 4 0 cc[4] k 3 0 cc[3] k 2 cc[10] cc[2] k 1 cc[9] cc[1] k 0 cc[8] cc[0] ? 33 j?gv?? h cmd0 cmd1 rd/wr wr wr k 7 1 cc[7] k 6 a3* cc[6] k 5 a2* cc[5] k 4 a1* cc[4] k 3 a0* cc[3] k 2 cc[10] cc[2] k 1 cc[9] cc[1] k 0 cc[8] cc[0] *ax j?g?y x ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # 680412fa 47 ? 34 jv?t cc[1:0] ? v?t v? \ 3 ?? t? \ ? ?? t? \ ?e?e t? \ a ?e?e t? \ b ?e?e t? \ c ?e?e t? \ d ??? t? \ a ??? t? \ b ?k t? \ a ?k t? \ b ? e?e adc 7 l qck ? ?t ?) adc 7 l qck ? ? e?e7 l qck ? gpio adc 7 l qck ? ? gpio 7 l qck ? k \ adc 7 l qck ? ? k \7 l qck ? \e?e?? gpio1 e gpio2 7 l qck ? ee?e t? \ ? e?? t? \ ? ek t? \ c adc 7 lk b mux qck 3 comm t? \ ? comm t? \ ? i 2 c/spi | h wrcfg rdcfg rdcva rdcvb rdcvc rdcvd rdauxa rdauxb rd stata r dstatb adcv adow cvst adax axst adstat statst adcvax clrcell clraux clrstat pladc diagn wrcomm rdcomm stcomm 10 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 9 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 1 1 1 1 1 1 1 1 8 0 0 0 0 0 0 0 0 0 0 md[1] md[1] md[1] md[1] md[1] md[1] md[1] md[1] 1 1 1 1 1 1 1 1 7 0 0 0 0 0 0 0 0 0 0 md[0] md[0] md[0] md[0] md[0] md[0] md[0] md[0] 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 1 pup st[1] 1 st[1] 1 st[1] 1 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 1 1 st[0] 1 st[0] 1 st[0] 1 0 0 0 0 0 1 1 1 4 0 0 0 0 0 0 0 0 1 1 dcp dcp 0 0 0 0 0 dcp 1 1 1 1 1 0 0 0 3 0 0 0 0 1 1 1 1 0 0 0 1 0 0 0 1 1 1 0 0 0 0 0 0 0 0 2 0 0 1 1 0 0 1 1 0 0 c h[2] ch[2] 1 chg [2] 1 chst [2] 1 1 0 0 0 1 1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 ch[1] ch[1] 1 chg [1] 1 chst [1] 1 1 0 1 1 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 ch[0] ch[0] 1 chg [0] 1 chst [0] 1 1 1 0 1 0 1 1 0 1 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # 680412fa ltc6804-1/ LTC6804-2 48 ? 35 jv? \ h \ p= adc | md[1:0] md 01 10 11 adcopt(cfgr0[0]) = 0 27khz | ( ? o ) 7khz | ( z_ ) 26hz | ( * ) adcopt (cfgr0[0]) = 1 14khz | 3khz | 2khz | dcp ea dcp 0 1 ej {qa e {qa ch[2:0] ? adc 7 lye?o? 6 g adc |?y<7 l? ? ch 000 001 010 011 100 101 110 ?te? e? 1 qe? 7 e? 2 qe? 8 e? 3 qe? 9 e? 4 qe? 10 e? 5 qe? 11 e? 6 qe? 12 27khz 1.1ms 201s 14khz 1.3ms 230s 7khz 2.3ms 405s 3khz 3.0ms 501s 2khz 4.4ms 754s 26hz 201ms 34ms pup \??t ?)7 lyj? / h?et p up 0 1 h?et j?et st[1:0] ? |o? ? 7 l st 01 10 27khz 0x9565 0x6a9a 14khz 0x9553 0x6aac 7khz 0x9555 0x6aaa 3khz 0x9555 0x6aaa 2khz 0x9555 0x6aaa 26hz 0x9555 0x6aaa ? 1 ? 2 chg[2:0] ? adc 7 ly gpio o? 6 g adc |?y<7 l? ? 6 g adc |?y<7 l? ? chg 000 001 010 011 100 101 110 27khz 1.1ms 14khz 1.3ms 7khz 2.3ms 3khz 3.0ms 2khz 4.4ms 26hz 201ms gpio 1-5 d kz ?_ gpio 1 gpio 2 gpio 3 gpio 4 gpio 5 kz ?_ 201s 230s 405s 501s 754s 34ms chst[2:0]* k \o? chst 000 001 010 011 100 27khz 7 48s 14khz 865s 7khz 1.6ms 3khz 2.0ms 2khz 3.0ms 26hz 134ms soc d itmp d va d vd soc itmp va vd 201s 230s 405s 501s 754s 34ms * ! j\? adstat v??y chst yt?o ? 0-4 f? chst adstat v?? ? ?? 5/6 d? ltc6804 zi?*jht chg = 5/6 y adax v? f ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # 680412fa 49 ? 36 j ?? t? \ t? cfgr0 cfgr1 cfgr2 cfgr3 cfgr4 cfgr5 rd/wr rd/wr rd/wr rd/wr rd/wr rd/wr rd/wr k 7 gpio5 vuv[7] vov[3] vov[11] dcc8 dcto[3] k 6 gpio4 vuv[6] vov[2] vov[10] dcc7 dcto[2] k 5 gpio3 vuv[5] vov[1] vov[9] dcc6 dcto[1] k 4 gpio2 vuv[4] vov[0] vov[8] dcc5 dcto[0] k 3 gpio1 vuv[3] vuv[11] vov[7] dcc4 dcc12 k 2 refon vuv[2] vuv[10] vov[6] dcc3 dcc11 k 1 swtrd vuv[1] vuv[9] vov[5] dcc2 dcc10 k 0 adcopt vuv[0] vuv[8] vov[4] dcc1 dcc9 ? 37 je?e t? \ a t? cvar0 cvar1 cvar2 cvar3 cvar4 cvar5 rd/wr rd rd rd rd rd rd rd/wr rd rd rd rd rd rd rd/wr rd rd rd rd rd rd rd/wr rd rd rd rd rd rd k 7 c1v[7] c1v[15] c2v[7] c2v[15] c3v[7] c3v[15] k 7 c4v[7] c4v[15] c5v[7] c5v[15] c6v[7] c6v[15] k 7 c7v[7] c7v[15] c8v[7] c8v[15] c9v[7] c9v[15] k 7 c10v[7] c10v[15] c11v[7] c11v[15] c12v[7] c12v[15] k 6 c1v[6] c1v[14] c2v[6] c2v[14] c3v[6] c3v[14] k 6 c4v[6] c4v[14] c5v[6] c5v[14] c6v[6] c6v[14] k 6 c7v[6] c7v[14] c8v[6] c8v [14] c 9v[6] c9v[14] k 6 c10v[6] c10v[14] c11v[6] c11v[14] c12v[6] c12v[14] k 5 c4v[5] c4v[13] c5v[5] c5v[13] c6v[5] c6v[13] k 5 c7v[5] c7v[13] c8v[5] c8v[13] c9v[5] c9v[13] k 5 c10v[5] c10v[13] c11v[5] c11v[13] c12v[5] c12v[13] k 4 c4v[4] c4v[12] c5v[4] c5v[12] c6v[4] c6v[12] k 4 c7v[4] c7v[12] c8v[4] c8v[12] c9v[4] c9v[12] k 4 c10v[4] c10v[12] c11v[4] c11v[12] c12v[4] c12v[12] k 3 c4v[3] c4v[11] c5v[3] c5v[11] c6v[3] c6v[11] k 3 c7v[3] c7 v[11] c 8v[3] c8v[11] c9v[3] c9v[11] k 3 c10v[3] c10v[11] c11v[3] c11v[11] c12v[3] c12v[11] k 2 c4v[2] c4v[10] c5v[2] c5v[10] c6v[2] c6v[10] k 2 c7v[2] c7v[10] c8v[2] c8v[10] c9v[2] c9v[10] k 2 c10v[2] c10v[10] c11v[2] c11v[10] c12v[2] c12v[10] k 1 c4v[1] c4v[9] c5v[1] c5v[9] c6v[1] c6v[9] k 1 c7v[1] c7v[9] c8v[1] c8v[9] c9v[1] c9v[9] k 1 c10v[1] c10v[9] c11v[1] c11v[9] c12v[1] c12v[9] k 0 c4v[0] c4v[8] c5v[0] c5v[8] c6v[0] c6v[8] k 0 c7v[0] c7v[8] c 8v[0] c8v[8] c9v[0] c9v[8] k 0 c10v[0] c10v[8] c11v[0] c11v[8] c12v[0] c12v[8] k 5 c1v[5] c1v[5] c2v[5] c2v[13] c3v[5] c3v[13] k 4 c1v[4] c1v[12] c2v[4] c2v[12] c3v[4] c3v[12] k 3 c1v[3] c1v[11] c2v[3] c2v[11] c3v[3] c3v[11] k 2 c1v[2] c1v[10] c2v[2] c2v[10] c3v[2] c3v[10] k 1 c1v[1] c1v[9] c2v[1] c2v[9] c3v[1] c3v[9] k 0 c1v[0] c1v[8] c2v[0] c2v[8] c3v[0] c3v[8] ? 38 je?e t? \ b t? cvbr0 cvbr1 cvbr2 cvbr3 cvbr4 cvbr5 t? cvcr0 cvcr1 cvcr2 cvcr3 c vcr4 cvcr5 t? cvdr0 cvdr1 cvdr2 cvdr3 cvdr4 cvdr5 ? 39 je?e t? \ c ? 40 je?e t? \ d ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # 680412fa rd/wr rd rd rd rd rd rd rd/wr rd rd rd rd rd rd rd/wr rd rd rd rd rd rd rd/wr rd rd rd rd rd rd rd/wr rd/wr rd/wr rd/wr rd/wr rd/wr rd/wr ltc6804-1/ LTC6804-2 50 ? 41 j?? t? \ a ? 42 j?? t? \ b ? 43 jk t? \ a ? 44 jk t? \ b ? 45 j comm t? \ ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # t? avar0 avar1 avar2 avar3 avar4 avar5 t? avbr0 avbr1 avbr2 avbr3 avbr4 avbr5 t? star0 star1 star2 star3 star4 star5 t? stbr0 stbr1 stbr2 stbr3 stbr4 stbr5 t? comm0 comm1 comm2 comm3 comm4 comm5 k 7 g1v[7] g1v[15] g2v[7] g2v[15] g3v[7] g3v[15] k 7 g4v[7] g4v[15] g5v[7] g5v[15] ref[7] ref[15] k 7 soc[7] soc[15] itmp[7] itmp[15] va[7] va[15] k 7 vd[7] vd[15] c4ov c8ov c12ov rev[3] k 7 icom0[3] d0[3] icom1[3] d1[3] icom2[3] d2[3] k 6 g1v[6] g1v[14] g2v[6] g2v[14] g3v[6] g3v[14] k 6 g4v[6] g4v[14] g5v[6] g5v[14] ref[6] ref[14] k 6 soc[6] soc[14] itmp[6] itmp[14] va[6] va[14] k 6 vd[6] vd[14] c4uv c8uv c12uv rev[2] k 6 icom0[2] d0[2] icom1[2] d1[2] icom2[2] d2[2] k 5 g1v[5] g1v[13] g2v[5] g2v[13] g3v[5] g3v[13] k 5 g4v[5] g4v[13] g5v[5] g5v[13] ref[5] ref[13] k 5 soc[5] soc[13] itmp[ 5] i tmp[13] va[5] va[13] k 5 vd[5] vd[13] c3ov c7ov c11ov rev[1] k 5 icom0[1] d0[1] icom1[1] d1[1] icom2[1] d2[1] k 4 g1v[4] g1v[12] g2v[4] g2v[12] g3v[4] g3v[12] k 4 g4v[4] g4v[12] g5v[4] g5v[12] ref[4] ref[12] k 4 soc[4] soc[12] itmp[4] itmp[12] va[4] va[12] k 4 vd[4] vd[12] c3uv c7uv c11uv rev[0] k 4 icom0[0] d0[0] icom1[0] d1[0] icom2[0] d2[0] k 3 g1v[3] g1v[11] g2v[3] g2v[11] g3v[3] g3v[11] k 3 g4v[3] g4v[11] g5v[3] g5v[11] ref[3] ref[11] k 3 soc[3] soc[11] itmp[3] itmp[11] va[3] va[11] k 3 vd[3] vd[11] c2ov c6ov c10ov rsvd k 3 d0[7] fcom0[3] d1[7] fcom1[3] d2[7] fcom2[3] k 2 g1v[2] g1v[10] g2v[2] g2v[10] g3v[2] g3v[10] k 2 g4v[2] g4v[10] g5v[2] g5v[10] ref[2] ref[10] k 2 soc[2] soc[10] itmp[2] itmp[10] va[2] va[10] k 2 vd[2] vd[10] c2uv c6uv c10uv rsvd k 2 d0[6] fcom0[2] d1[6] fcom1[2] d2[6] fcom2[2] k 1 g1v[1] g1v[9] g2v[1] g2v[9] g3v[1] g3v[9] k 1 g4v[1] g4v[9] g5v[1] g5v[9] r ef[1] r ef[9] k 1 soc[1] soc[9] itmp[1] itmp[9] va[1] va[9] k 1 vd[1] vd[9] c1ov c5ov c9ov muxfail k 1 d0[5] fcom0[1] d1[5] fcom1[1] d2[5] fcom2[1] k 0 g1v[0] g1v[8] g2v[0] g2v[8] g3v[0] g3v[8] k 0 g4v[0] g4v[8] g5v[0] g5v[8] ref[0] ref[8] k 0 soc[0] soc[8] itmp[0] itmp[8] va[0] va[8] k 0 vd[0] vd[8] c1uv c5uv c9uv thsd k 0 d0[4] fcom0[0] d1[4] fcom1[0] d2[4] fcom2[0] 680412fa 51 ? 46 j \ h \ p= gpiox gpiox ?? ?s 3 j 0 -> gpiox ??h?e)? i 1 -> gpiox ??h?e)? ? j 0 -> gpiox ?? ?? h ?0? i 1 -> gpiox ?? ?? h ?1? refon ?_je 1 -> ?_-5jek\q??n t??? 0 -> ?_7 l*? ? swtrd swten ??k ( %? ) 1 -> swten ?? ?? h ?1? 0 -> swten ?? ?? h ?0? adcopt adc |o adcopt j 0 -> ;\ adc 7 lv??y md[1:0] o? 27khz e 7khz e 26hz | f 1 -> ;\ adc 7 lv??y md[1:0] o? 14khz e 3khz e 2khz | f vuv ta0e * a0e = (vuv + 1) ? 16 ? 100 v ? j vuv = 0x000 vov @a0e * a0e = vov ? 16 ? 100 v ? j vuv = 0x000 dcc[x] e? x ?e x = 1 12 1 -> ? \?e? x y ?) ?? 0 -> ?\?e? x y ?) ?? ( ? ) dcto e t?= dcto ( 3 ) f ? ? ( r ) 120 dcto ( ? ) f ?q ? ? ( r ) 0 t\ 0 t\ e t? 1 0.5 1 0 0.5 2 1 2 0.5 1 3 2 3 1 2 4 3 4 2 3 5 4 5 3 4 6 5 6 4 5 7 10 7 5 10 8 15 8 10 15 9 20 9 15 20 a 30 a 20 30 b 40 b 30 40 c 60 c 40 60 d 75 d 60 75 e 90 e 75 90 90 120 cxv e? x e * x = 1 12 e? x y 16 adc ? ?= e? x ye?e = cxv ? 100 v je?q ? ev?? d cxv b 0xffff gxv gpio x e * x = 1 5 gpio x y 16 adc ? ?= gpiox ye = gxv ? 100 v je?q ? ev?? d gxv b 0xffff ref kz ?_e * kz ?_y 16 adc ? ?= kz ?_ye = ref ? 100 v z_ 2.980v 3.020v ?? soc e? ? ?y<q * ?te?e?<qy 16 adc ? ?= ?te?ey<q = soc ? 100 v ? 20 itmp ? ??] * ? ??]y 16 adc ? ?= ] ? ?e = itmp ? 100 v/7.5mv/c ? 273c va |yeue * |yeuey 16 adc ? ?= |yeue = va ? 100 v z_ 4.5v 5.5v ?? vd p?eue * p?euey 16 adc ? ?= p?eue = vd ? 100 v z_ 2.7v 3.6v ?? cxov e? x @z ? x = 1 12 ze?e~ vov a0e ?a 0 -> e? x j @ ?1z ? f 1 -> e? x ? yz ? cxuv e? x tz ? x = 1 12 ze?e~ vuv a0e ?a 0 -> e? x j t ?1z ? f 1 -> e? x ? yz ? rev hit ??hit rsvd - 5 ? j??=? ^? 0 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # 680412fa ltc6804-1/ LTC6804-2 52 h \ p= muxfail ) b\? ? ? j 0 -> ) b\? @y ? 1 -> ) b\?j ? @ ? thsd ? tk ? j 0 -> ? t(j ?[ 1 -> ? t?? ?[ ??qk t? \ b ? thsd ? ?g icomn ?? | ?s 0110 start 0001 stop 0000 blank 0111 no transmit 1000 csb ?-e; 1001 csb ? e; 1111 no transmit 0110 0000 start ( }? ?? ) 0001 stop ( }? ?? ) sda ?-e; ( ?? ? ) 0111 sda ? e; ( ?? ? ) 0111 dn i 2 c/spi | p?? ai i 2 c/spi }n??yp? dek } i 2 c/spi }n?? ?yp? fcomn e ^ | ?s 0000 1000 1001 ? ??u??? (ack) ? ??i??? (nack) ? ?? nack + stop x 000 1001 csb ?-e; csb ? e; 3 ? 3 ? 0000 ack ( 8? ?? ) 0111 ack ( 8a ?? ) 1111 nack ( 8a ?? ) 0001 ack ( 8a ?? ) + stop ( 8? ?? ) 1001 nack ( 8a ?? ) + stop ( 8? ?? ) i2c spi i2c spi i2c spi i2c spi 1111 * e ? ?\ t?yd ?sp= d? 12 ? 0 4095 d? 16 ? 0 65535 f ? 46 j \ ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ??7 h&y7 ?\ysg 3 h ltc6804-1 ?? <y ?? j s1 e s2 e s3 f?? s1 jyly a ? ??? spi | (isomd ???-e; ) f?? s2 q s3 jyly a ? ? ?? isospi | (isomd ??? e; ) f s1 jyly b 1 ? s2 jyly a f s2 jyly b 1 ? s3 jyl y a f ?s? @ s1 jyly a ~ < ? ? | f t ?y 1. ? ?sh h? f csb q sck jy * z t?? s1 jy ?y f 2. 3 ? t wake y? ?? ?ty?? (s1 e s2 q s3) je f } < ?? dt,?? t? ?6 idle k d??d7 3 q 4 j 3. ? ? kzh h? f 4. 3 ? t ready y? ? f 5. ? ?v? f 3 ?? t? 1. a csb ?-e; 2. ? ? wrcfg v? (0x00 0x01) ?i pec (0x3d 0x6e) 3. ? ??? s3 y cfgr0 ? d j cfgr1(s3) d ... cfgr5(s3) d cfgr0(s3) cfgr5(s3) y pec 4. ? ??? s2 y cfgr0 ? dt j cfgr1(s2) d ... cfgr5(s2) d cfgr0(s2) cfgr5(s2) y pec 5. ? ??? s1 y cfgr0 ? d ? 9j cfgr1(s1) d ... cfgr5(s1) d cfgr0(s1) cfgr5(s1) y pec 6. a csb ? e; dp? csb yjo6j ?a? ?ty??? 680412fa 53 ? 25 j z i 2 c eeprom 1 ? ltc6804 gpio ?? 680412 f25 gpio5(scl) gpio4(sda) 4.7k v ? v reg ltc6804 1f 10v 4.7k wp vcc 24aa01 scl vss sda ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ?j??y ?y? ?q j @ < ??y ltc6804-1 pf = n ???y?pf (b) j v? j 2 h ( v?? ) + 2 h ( v? pec) = 4 h p? jh ltc6804 6 h ( p?? ) + 2 h ( p? pec) = h?? 8 h? b = 4 + 8 ? n hyly? = f ? ? = (1/f) ? b ? 8 / ? = (1/f) ? [4 + 8 ? n ] ? 8 ?j 3 h ltc6804 <?7y? ? ( ?\ 1mhz ly ) = (1/1e6) ? (4 + 8 ? 3) ? 8 = 224 s ! j? ???ty3v?q?v?-5? f ?e? t? \ a 1. a csb ?-e; 2. ? ? rdcva v? (0x00 0x04) ?i pec (0x07 0xc2) 3. ?_?? s1 y cvar0 ? d j cvar1(s1) d ... cvar5(s1) d cvar0(s1) cvar5(s1) y pec 4. ?_?? s2 y cvar0 ? dt j cvar1(s2) d ... cvar5(s2) d cvar0(s2) cvar0(s2) y pec 5. ?_?? s3 y cvar0 ? d ? 9j cvar1(s3) d ... cvar5(s3) d cvar0(s3) cvar5(s3) y pec 6. a csb ? e; ? e?e adc 7 l ( ?te? dz_| da e ) qck 1. a csb ?-e; 2. ? ?ht md[1:0] = 10 q dcp = 1 y adcv v? ( c 0x03 0x70) ?i pec (0xaf 0x42) 3 . a csb ? e; ? ee?e t? 1. a csb ?-e; 2. ? ? clrcell v? (0x07 0x11) ?i pec (0xc9 0xc0) 3. a csb ? e; c adc k ( ( ??q isomd = 0) ?7 ?\yshht?g a [3:0] = 0011 q isomd = 0 y ? 0g LTC6804-2 1. a csb ?-e; 2. ? ? pladc v? (0x9f 0x14) ?i pec (0x1c 0x48) 3. ? LTC6804-2 ???*k d? sdo i ??- e; f? sck j ? ??r d??;\ ? 0gy ??ck ??- f 4. ? LTC6804-2 ?7 l*? sdo i? e; 5. a csb ? e;? c ~sh 1 ? ltc6804 y i 2 c a ?? | @ 1 ? gpio4(sda) q gpio5(scl) d ltc6804 ? 5 i 2 c }n?? f ?ysgt=y\ ?j ?\? 25 ?jy 1 ? z[ *?x lpei|1sh?y eeprom ? f 680412fa ltc6804-1/ LTC6804-2 54 ? 26 j ltc6804 i 2 c |?7 680412 f26 sda (gpio4) scl (gpio5) start ack from slave 0xa0 0x01 0xaa sck stop last clock of stcomm command ack from slave ack from slave ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # 7 ?\m ltc6804-1 zshp??3sh i 2 c eeprom f ltc6804 z ? ?ghp?? i 2 c }n? ? f ? ?yp? z? b0 = 0xa0 (eeprom ?g ) d b1 = 0x01 ( 3v? ) q b2 = 0xaa ( c z eeprom ?y p? ) fgh? z?h?? ai i 2 c }n?? j start? b0? nack? b1? nack? b2? nack? stop 1. ?\ wrcomm v? zp?3 comm t? a. a csb ?-e; b. ? ? wrcomm v? (0x07 0x21) ?i pec (0x24 0xb2) c. ? ? comm0 = 0x6a d comm1 = 0x08 ([start] [b0 [nack]) d comm2 = 0x00 d comm3 = 0x18 ([blank] [b1] [nack]) d comm4 = 0x0a d comm5 = 0xa9 ([blank] [b2] [nack+stop]) q pec = 0x6d 0xfb ( ?jp? ) d. a csb ? e; 2. ?\ stcomm v? z 3 hp?? ? ? i 2 c }n? ? a. a csb ?-e; b. ? ? stcomm v? (0x07 0x23) ?i pec (0xb9 0xe4) c. sck j ? ? 72 h?r ? ? d. a csb ? e; 3. stcomm v? ? ? aia ??yp? ? comm t?? f ?\ rdcomm v??_?p? a. a csb ?-e; b. ? ? rdcomm v? (0x07 0x22) ?i pec (0x32 0xd6) c. ?_ comm0-comm5 q 6 hp??y pec ? a ????y?ty 3 hp?? d?7?y ??p?ej j comm0 = 0x6a, comm1 = 0x07 d comm2 = 0x70 d c o m m 3 = 0 x 1 7 d c o m m 4 = 0 x 7 a d c o m m 5 = 0xa1 d pec = 0xd0 0xde d. a csb ? e; ! j?a ??? ?p? d?p? z ??? comm0- comm5 ? f j7? d stcomm v? ? ? i 2 c ? ??y gpio5 (scl) q gpio4 (sda) lyj 72 h?r ? ??yz ? 1j?? 26 f 680412fa 55 ? 27 j ltc6804 spi |?7 680412 f27 sdom (gpio4) sckm (gpio5) csbm low 0x55 0xaa 0xcc csbm (gpio3) sck csbm high last clock of stcomm command ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ?*a # ~sh 1 ? ltc6804 y spi a ?? | 7 ?\y h ltc6804-1 ?? d4htsh @ gpio3 (csbm) e gpio4 (sdom) q gpio5 (sckm) ~i 1y spi ?? f??7? d ltc6804 ?? ?\h&y? z 3 hp?? b0 = 0x55 e b1 = 0xaa q b2 = 0xcc ? ? spi }n?? j csb ?-e; ? b0 ? b1 ? b2 ? csb ? e; 1. ?\ wrcomm v? zp?3 comm t? a. a csb ?-e; b. ? ? wrcomm v? (0x07 0x21) ?i pec (0x24 0xb2) c. ? ? comm0 = 0x85 d comm1 = 0x50 ([csbm low] [ b0] [csbm low]) d comm2 = 0x8a d comm3 = 0xa0 ([csbm low] [b1] [csbm low]) d comm4 = 0x8c d comm5 = 0xc9 ([csbm low] [b2] [csbm high]) q pec = 0x89 0xa4 ( ?jp? ) f d. a csb ? e; 2. ?\ stcomm v? z 3 hp?? ? ? spi }n? ? a. a csb ?-e; b. ? ? stcomm v? (0x07 0x23) ?i pec (0xb9 0xe4) c. sck j ? ? 72 h?r ? ? d. a csb ? e; 3. stcomm v? ? ? aia ??yp? ? comm t?? f ?\ rdcomm v??_?p? a. a csb ?-e; b. ? ? rdcomm v? (0x07 0x22) ?i pec (0x32 0xd6) c. ?_ comm0-comm5 q 6 hp??y pec f 7?y??p?ej j comm0 = 0x755f d comm1 = 0x7aaf d comm2 = 7ccf d pec = 0xf2ba d. a csb ? e; ! j?a ??? ?p? d?p? z ??? comm0- comm5 ? f j7? d stcomm v? ? ? spi ? ??y gpio3 (csbm) e gpio5 (sckm) q gpio4 (sdom) lyj 72 h?r ? ??yz ?1j?? 27 f 680412fa ltc6804-1/ LTC6804-2 56 ? 28 j ?\ npn ai zmy v reg eu ? 29 j ?\e? \ v reg ? ? 6e v in boost lt3990 sw en/uvlo pg rt 0.22f 22pf 374k f = 400khz 22f 2.2f v in 28v to 62v v reg 5v 40ma 1m 316k 1k 33h bd fb gnd off on 680412 f29 1f 0.1f 100 680412 f28 wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 1f 1f ltc6804 nsv1c201mz4 ?|1 ? * www.linear.com.cn/ltc6804-1 e\|1 yt? ltc6804 } v reg ??v_i?y} ? fe v reg d 5v0.5v ye fshy dc/dc 7 l? ? d\ ? v reg 6e dek dp? ?\ drive ??q ? ?? y. ? \??shm? f?6? d drive i?? d6sh-et 5.6v i di ? \shmy npn zm ? d?? 28 ?j f npn y ?e=eu?_? a v ? 6v e?ye d < ?9 vye?eshj? y7 l?eu f ?e=e u 1 ?d4\sh 100 ? / 100nf rc c d?-? npn 5j y&x f npn y ??=e ?\sh 1 f e ?? ?) fe?5 ?\0}ye??p= da? 6 # ltc6804 y t? ? f@ npn y? $ ? ! da?? ?\sh ?e=e?6 *[} ?y? ? f jy czt5551 js ? d6? ?y sot-223 ?? f y?eu? ?y e}"?%- ltc6804 ?y ? d v + ??jy vet l? (500 a) f v + ??jye@ 2 ? ~ ? l e ? s u d ? d 6 _ ? y ? ? f v + q v reg ???? e? d6sge? ?e . l-y t | f e\? d v + z @sh rc qn? 1 ? ?le?e d? d6 ? y-?*\ ( d ?\ 100 ? / 100nf) f ? ?\e? \6ey ?1h {??y6? d ?4\sh%7 l? ( t?j npn ai zm ) 8 v reg 6e fg??ys ? # e) ?? lt3990 d?? 29 ?j fe ?\sh~i]ly 1k e???#? aet ( ?~e? \ 1? ) q%- a? emi f en / uvlo ??e 1 ? drive d u7 l?~ ltc6804 s ? ? ?= g| f ltc6804 ??n???? v reg eu?* q t ? k f a ? d ? e n / u v l o ? ? j 1 ? drive d?@ 2+?a ltc6804 ? t? d ?? | v reg eu ii? ltc6804 z?6 ?]= g| f 680412fa 57 ? 31 jj] ? ?e)??i temperature (c) ?40 0 v tempx (% v ref2 ) 100 80 60 40 20 90 70 50 30 10 0 08 04 06 02 02? 680412 f31 10k ntc 10k at 25c v ? v ref2 v temp ? 30 j ?\sh?l 12v eu ltc6804 6e ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 e\|1 680412 f30 drive v reg v ? v + ltc6804 100nf 100v cmhz5265b 62v nsv1c201mz4 cmhd459a pa0648nl cmmsh1-40 gnd en/uvlo r fb lt8300 130k 100 sw v in 1f 10v 4.7f 25v 7 2 8 1 5 4 1f 100v 22.1k 100k 12v 52v 13v 12v return 4.7f 25v ? ? ? ?^neu sh y dc/dc ?7 l? ?\sh?l 12v eu ? ltc6804 d6^neu d?? 30 ?j fe)~ isospi ?^ns ??y?? y ltc6804 e) d t ;?4\e?eu f ey ??*e?eye ) p f ? . d u s g ? ? ? ? # ? e ? 1 0 e f ltc6804 ??n???? v reg eu t? fa? d@ 2 +?a ltc6804 ? t? d ?? | v reg eu ii ? ltc6804 z?6 ?]= g| f ?_. ?] ??|1 ? 31 jy\? ]?p (ntc) ? ?e?yj ?e ) f 10k ? ( 25c) j e l\y a ?= dt v ref2 i t y? d6\ ? ;h? ?? d6 ??yett f ?e??yo?1?j~ ntc =e d ue ) z 25c ? d6 1.5v e (v ref2 yzh=? 3v) f< e)eje?] ?}? ?1%/c d?? 31 ?yt??j f 680412fa ltc6804-1/ LTC6804-2 58 ? 32 j mux e)?5 16 x.y|y ? ? ?|1 ? * www.linear.com.cn/ltc6804-1 s0 s1 s2 s3 s4 s5 s6 s7 v cc scl sda a0 a1 gnd v ee d o analog1 analog2 analog3 analog4 analog5 analog6 analog7 analog8 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 ltc1380 s0 s1 s2 s3 s4 s5 s6 s7 v cc scl sda a0 a1 gnd v ee d o analog9 analog10 analog11 analog12 analog13 analog14 analog15 analog16 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 ltc1380 3 27 31 32 33 37 5 1f 10nf 680412 f32 v reg gpio5(scl) gpio4(sda) v ? gpio1 ltc6804 4.7k 4.7k 1 2 4 ? + ltc6255 100 analog inputs: 0.04v to 4.5v e\|1 # ?? ? ?ypf ltc6804 d6y 5 h gpio ?? d4ai ? ?sh adc i ]y*\ ft,e\? ? ? ?a ?y|? da ? s g ? 5 ? | ? p f y , j # s h ) b \ (mux) e) d?? 32 ?j fe) ?\ gpio1 adc i ]: 16 hu|? ?p? ? # dt mux ?s?_ igh ? ??? i 2 c lyy gpio t)8 d6 f } ?? $o?|?y? o??# \y7 l o f ? ?-? ? ltc6804 1tg??y esd #? d??- { y ? f? 33 ?jy\?-h-? ?y ?e) f ?? 43 48 ? ?-1? q ?-2? ?? ght??y ? d(-? ? j?y f vz=ms?j yizhre diyz=m?? $z_y pn ? * $ f e?q gpio i]y* ltc6804 ?\ysh ? adc d adc ht ? s?q sh?i y sinc3 t" ? e (fir) p?*? f =}?%-yi]*? f?. d ?@ ?ua?4 \ ? d ? ? o~*??? ? ??? e3y 1 fc4 ?\ g ?- *? d? o?j?j6 ? ??? ?t, ? 5?j d $9j0?y7 l|? f g?j? @ h adc i]# sh rc - *?88 ?%- d?,?t??sh? nxy ? ? f adc i]# ? 100 ? ?jye? z ?? ? ??? ?? u? d ? @ d *?e?e>? ?qsg?x ?? ?pat?? f? e e ?e m*s?;y dd ?\ ??e??* f ??htshle?qe?? d z hf ?j v ? f ,?j??ht ? ?ek4\0 @ ?u o y? u? d ? \e??*? ? 1 dy f ?? ? dhi] ?tle?? d(e??? 1 ?ly c ??? ? f t de??l6?b fa? d* ?e??s?(??-? rc k ?=y ? ( yshp ? t ) f! de?? ??ashe?yd e ( at ?0?qi0- ) ?? ic ji?: ? ? ( }t ?y? ?-? ?jyeb+? ) f? 34 y gg,yj? f ?iy adc _?? r e c t ( ? ? j ? ? t?j ) d( r = 100 ? q c = 10nf ? ? $?y e? f_? ? ?i y? v ? da? gpio ?? z? ^ ?\sg ??e?? ?? f 680412fa 59 ? 33 j ltc6804 y? ? esd -? ? ? 34 ji]*? ? ?? ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 680412 f33 ltc6804 10k 12v c12 s12 12v 10k 12v c11 s11 12v 10k 12v c10 s10 12v 10k 12v c9 s9 12v 10k 12v c8 s8 12v 10k 12v c7 s7 12v 10k 12v c6 s6 12v 10k 12v c5 s5 12v 10k 12v c4 s4 12v 10k 12v c3 s3 12v 10k 12v c2 s2 12v 10k 12v 25 c1 s1 12v c0 v ? v ? 30v 30v 30v 30v 30v 30v gpio1 12v gpio2 12v gpio3 12v gpio4 gpio5 12v v ref2 12v 12v v ref1 12v swten 12v v reg 12v drive 12v wdt 12v isomd 12v csb 12v sck 12v sdi 12v sdo 12v ibias/a0 12v icmp/a1 12v imb/a2 12v ipb/a3 12v v + note: not shown are pn diodes to all other pins from pin 31 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 32 33 31 30 29 28 27 26 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 680412 f34 cell2 v ? c2 10nf battery v ? 100 e??*? rqj0303 33 3.3k cell1 c1 s2 s1 ltc6804 ltc6804 s2 s1 10nf 10nf 100 rqj0303 33 100 c0 3.3k cell2 v ? c2 battery v ? 100 ??e??*? rqj0303 33 3.3k * cell1 c1 100 rqj0303 *6.8v zeners recommended if c > 100nf 33 c0 c c c 3.3k * * 100 # ?? ? ?ypf ltc6804 d6y 5 h gpio ?? d4ai ? ?sh adc i ]y*\ ft,e\? ? ? ?a ?y|? da ? s g ? 5 ? | ? p f y , j # s h ) b \ (mux) e) d?? 32 ?j fe) ?\ gpio1 adc i ]: 16 hu|? ?p? ? # dt mux ?s?_ igh ? ??? i 2 c lyy gpio t)8 d6 f } ?? $o?|?y? o??# \y7 l o f ? ?-? ? ltc6804 1tg??y esd #? d??- { y ? f? 33 ?jy\?-h-? ?y ?e) f ?? 43 48 ? ?-1? q ?-2? ?? ght??y ? d(-? ? j?y f vz=ms?j yizhre diyz=m?? $z_y pn ? * $ f e?q gpio i]y* ltc6804 ?\ysh ? adc d adc ht ? s?q sh?i y sinc3 t" ? e (fir) p?*? f =}?%-yi]*? f?. d ?@ ?ua?4 \ ? d ? ? o~*??? ? ??? e3y 1 fc4 ?\ g ?- *? d? o?j?j6 ? ??? ?t, ? 5?j d $9j0?y7 l|? f g?j? @ h adc i]# sh rc - *?88 ?%- d?,?t??sh? nxy ? ? f adc i]# ? 100 ? ?jye? z ?? ? ??? ?? u? d ? @ d *?e?e>? ?qsg?x ?? ?pat?? f? e e ?e m*s?;y dd ?\ ??e??* f ??htshle?qe?? d z hf ?j v ? f ,?j??ht ? ?ek4\0 @ ?u o y? u? d ?\e??*? ? 1 dy f ?? ? dhi] ?tle?? d(e??? 1 ?ly c ??? ? f t de??l6?b fa? d* ?e??s?(??-? rc k ?=y ? ( yshp ? t ) f! de?? ??ashe?yd e ( at ?0?qi0- ) ?? ic ji?: ? ? ( }t ?y? ?-? ?jyeb+? ) f? 34 y gg,yj? f ?iy adc _?? r e c t ( ? ? j ? ? t?j ) d( r = 100 ? q c = 10nf ? ? $?y e? f_? ? ?i y? v ? da? gpio ?? z? ^ ?\sg ??e?? ?? f e\|1 680412fa ltc6804-1/ LTC6804-2 60 ? 35 j? ?ee) ? 36 j. ?ee) ? 47 jshht dcp = 0 y adcv v? ? ?ye ?s e? ? ? ? ? e??x ? ? cell1/7 cell2/8 cell3/9 cell4/10 cell5/11 cell6/12 cell1/7 cell2/8 cell3/9 cell4/10 cell5/11 cell6/12 t 0 t 1m t 1m t 2m t 2m t 3m t 3m t 4m t 4m t 5m t 5m t 6m t 6m t 1c t 1c t 2c t 2c t 3c t 3c t 4c t 4c t 5c t 5c t 6c e?? s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 off off on on on off off off on on on off off off off on on on off off off on on on on off off off on on on off off off on on on on off off off on on on off off off on on on on off o ff off on on on off off off off on on off off off off on on off off off off off on on on off off off on on on off off off off on on on off off off on on on on off off off on on on off off off on on on on off off off on on on off off off on on on on off off off on on on off off off off on on off off off off on on off off off ltc6804 680412 f35 r filter r filter r discharge c(n) s(n) c(n ? 1) + ltc6804 680412 f36 r rqj0303pgd 3.3k c(n) s(n) c(n ? 1) + ?|1 ? * www.linear.com.cn/ltc6804-1 e\|1 ;\? ? mosfet ?e?;e s1 s12 ??\?;ee? ? f?se??yts @e d? ?\sh s i e? ?e f h s ihtsh\?ey? ? n v8 mosfet f nmos htsh 20 ? y e}? e? fe 1 ?sh~ nmos ly. ?e???a? ? s ?q ltc6804 y. ? d?? 35 ?j f ?4\sh rc ? e?e ? ?# x.y* d(*? r @ 2-5? ( l 10 ? 8 ) ? ? ?;eetyb f? ?\? ? mosfet e?e? de9 v?] f ? ? sq ? t ? ? f ;\. ? mosfet ?e?;e s i <sh? ?j? pmos zm f s ?? ? d? shg? . ? mosfet yx=yp?i f? , e?eetye\ d zshm pmos ?? ??qgyee?? 1 ?e? d(ax=l 1 ? s i?? d?? 36 ?j f? 34 jy < rc *y . ? mosfet e) f e? ? ? ? ?ye ?s ?ea (dcp) v?e? ? ?v??? e; d ? s ??eke? ? ? ? ?? f t dje dcp ?-e; d ?? ?? ? kye ? z eye?elye? ?? ? ? ?k?? f? 47 - shht dcp = 0 y adcv v? ? ?y? ?1 f ?? d off ?j ? ??e ? vs? dc4 ?? t??ye dcc[x] ? e;p?7. f on b 9 ??e ? d?i z ? ??-5? k f?? adcv v?y?? a? 3 f ? sq@?? e 1 ??? s1 s12 y? ? mosfet \?e? ? e fe ?\sh. ?e???"s mosfet ?y f mosfet ?y e} ? sa"? ltc6804 ? ?? y? ? f@ y? ? z???]yo f?] : 125c y ?1h d ;e??thq ? ?_?y h% f?] ? 150c ?t ? $??a& da? dy e}?]? 125c f?y-? ltc6804 5j@? y&x d??ysh? te) f?e ?e ??? ? } ?y ?6 $??@?y ?1 f???? ??= g k? d? te)c ?4 ? ( ? *| ?) f??? jy ?] ? 150c d? ?? t? z ? b ?k d }t2?tye ?? f? ?[ysh? t ? dk t? \ b ?y thsd z f h z k t? \ b ysh?*? ?g f$. d hp ? ?\ clrstat v?8 ? f_?? t6?m ly * da?e ?\? ?]9 v??????] ? ?? ? ?a??;y?m f _;ee)y, ;\e? ? ?ee)y ??d e?y f? 37 jysh ?\ ltc6804 e?9 v? ic y7 f?e ?qe mosfet u=? ?ye??6??e?e ? ? = ? f ? ?=y ?_??e???=q mosfet ? e? f 680412fa 61 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 e? ? ? ? ?ye ?s ?ea (dcp) v?e? ? ?v??? e; d ? s ??eke? ? ? ? ?? f t dje dcp ?-e; d ?? ?? ? kye ? z e\|1 eye?elye? ?? ? ? ?k?? f? 47 - shht dcp = 0 y adcv v? ? ?y? ?1 f ?? d off ?j ? ??e ? vs? dc4 ?? t??ye dcc[x] ? e;p?7. f on b 9 ??e ? d?i z ? ??-5? k f?? adcv v?y?? a? 3 f ? sq@?? e 1 ??? s1 s12 y? ? mosfet \?e? ? e fe ?\sh. ?e???"s mosfet ?y f mosfet ?y e} ? sa"? ltc6804 ? ?? y? ? f@ y? ? z???]yo f?] : 125c y ?1h d ;e??thq ? ?_?y h% f?] ? 150c ?t ? $??a& da? dy e}?]? 125c f?y-? ltc6804 5j@? y&x d??ysh? te) f? e?e ??? ? } ?y ?6 $??@?y ?1 f???? ??= g k? d? te)c ?4 ? ( ? *| ?) f??? jy ?] ? 150c d? ?? t? z ? b ?k d }t2?tye ?? f? ?[ysh? t ? dk t? \ b ?y thsd z f h z k t? \ b ysh?*? ?g f$. d hp ? ?\ clrstat v?8 ? f_?? t6?m ly * da?e ?\? ?]9 v??????] ? ?? ? ?a??;y?m f _;ee)y, ;\e? ? ?ee)y ??d e?y f? 37 jysh ?\ ltc6804 e?9 v? ic y7 f?e ?qe mosfet u=? ?ye??6??e?e ? ? = ? f ? ?=y ?_??e???=q mosfet ? e? f h&yq,~? 37 s ?4\ j 1. tey ?1h ( ?ty s ii? ) ? ??ty e? d(?_q ? ? f 2. ? s1 q s7 3. ? ? c1-c0 e c7-c6 4. ? s1 q s7 5. ? s2 q s8 6. ? ? c2-c1 e c8-c7 7. ? s2 q s8 ... 14. ? s6 q s12 15. ? ? c6-c5 e c12-c11 16. ? s6 q s12 17. ?_e t? \? { k 2 k 16 y f 18. a-?p fhe?e?pe ?sh_ r b1 q r b2 ?yx??a ( ? 37) fz?y ? ?_ ??e???=q mosfet $ f ? pec q pec 4\1t uy|e j } ltc6804 ?_yp ?jt?yj ?? . ??ju?&x f ?? $f |t js ?ay $ dt ltc6804 ??? t } ltc6804 ?_yp?q3 ltc6804 yp?qs h pec f??sgq pec yt?, d s? fh&y ??jysg__?? a?y pec q , y ? $ f i h t g h l p d k s h l p init_pec15_table() %e ?s?ij ? \s? d( k?sh ?h? pec15table[] y pec15 ? ? f? z ?tj8y pec q?4\ f$. d pec15 ??? ? s ? ? d t ? j ij ? 6 init_pec15_table() lp f pec15() lp aq pec d ( z? ?\?? ????p \ym? 15 pec f 680412fa ltc6804-1/ LTC6804-2 62 ? 37 j;e ? e) 680412 f37 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 v ? c0 s1 ltc6804 r b1 r b1 r b2 r b1 r b2 r b1 r b2 r b1 r b2 r b1 r b2 r b1 r b2 r b1 r b2 r b1 r b2 r b1 r b2 r b1 r b2 r b1 r b2 r b2 ?|1 ? * www.linear.com.cn/ltc6804-1 e\|1 680412fa 63 /************************************ copyright 2012 linear technology corp. (ltc) permission to freely use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies: this software is provided ?as is? and ltc disclaims all warranties including all implied warranties of merchantability and fitness. in no event shall ltc be liable for any special, direct, indirect, or consequential damages or any damages whatsoever resulting from any use of same, including any loss of use or data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. ***********************************************************/ int16 pec15table[256]; int16 crc15_poly = 0x4599; void init_pec15_table() { for (int i = 0; i < 256; i++) { remainder = i << 7; for (int bit = 8; bit > 0; --bit) { if (remainder & 0x4000) { remainder = ((remainder << 1)); remainder = (remainder ^ crc15poly) } else { remainder = ((remainder << 1)); } } pec15table[i] = remainder&0xffff; } } unsigned int16 pec15 (char *data , int len) { int16 remainder,address; remainder = 16;//pec seed for (int i = 0; i < len; i++) { address = ((remainder >> 7) ^ data[i]) & 0xff;//calculate pec table address remainder = (remainder << 8 ) ^ pec15table[address]; } return (remainder*2);//the crc15 has a 0 in the lsb so the final value must be multiplied by 2 } ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 e\|1 680412fa 680412 f38 lem dhab ch2 analog gpio2 v cc 5v gnd analog_com v ? ch1 analog0 gpio1 a b c d charger ? + ? + + ? + ? l o a d v out d = i discharge ? r sense ( ) when i discharge 0 discharging: r out(d) r in(d) v out c = i charge ? r sense ( ) when i charge 0 charging: r out(c) r in(c) 680412 f39 v battstack r in(d) 100 ltc6102 ltc6804 v ? ltc6804 v ? v drive v drive r in(c) 100 r in(d) 100 ltc6102 ltc6804 v + v out(c) r out(c) 4.02k r out(d) 4.02k v out(d) gpio 1 gpio 2 r in(c) 100 i charge r sense 0.5m i discharge v + v ? out ?ins +in v + v ? out ?ins +in ?inf ?inf v reg 0.1f v reg 0.1f 1f 1f ltc6804-1/ LTC6804-2 64 ? 38 j zshj?'?ee?et a ? 1 ??? adc i] ? 39 j ?\sh ltc6102 89 veqeet ?|1 ? * www.linear.com.cn/ltc6804-1 e\|1 ;\sh?'?e a ? ?et ? ? ltc6804 ?? adc i] (gpio ?? ) \?? |y| ? d < ,8 *[r?eygtu a ?y|? f t ?g\?e?m # ?y??7?sje?ety f?' a ??9?e\? ? ?}ye?et da?| ? d6ysg ?cy- ?? f? 38 ys ?j?' a ?yj? di *[gh~? d6? v cc a7yi f a ? ?\sh 5v eu6e d( *[ 1 ? gpio ??e mux e\e)?i]y|yi d?? 32 ?j fa gpio1 q gpio2 \* adc i]?~e ?i]?y7 l??? ?p? ? # ( ?\ adcvax v? ) d }t? $e?e~e?et ? ?y? f ;\shte?? ?et ? ? ? ?\sh ?et ?}?qshte??8 ? ? ltc6804 gpio ??jye?et f? 39 jyj ? \gh ltc6102 8 ? ?sh^ 12 e??e? \jy eqeet f?y? $} y??-5 _? d4\ ltc6102 fe)??jye) ? d_?? ? ? 200a 0.1a yet f ltc6102 y0 z% *[s h 20ma y? f? ?-5 l-y= get d ?\ v drive 8 t\ ltc6102 e) d?4i ltc6804 ?]= gk??vet f 680412fa 65 680412 f40 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 s1 c0 v ? ltc6804 + + + + + + + + next higher group of 8 cells next lower group of 8 cells ? 40 j 8 he?y 1 ? ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 e\|1 ?\ ltc6804 9 ve?pf?? 12 ye? \ ? ltc6804 _e? \6e d? ltc6804 ? ?9 vy e ?e?pfa ?? ltc6804 yeue? fe?ey <qe?? 11v ?m?? ltc6804 d ? f? 40 jy ltc6804 ?\?? e3ye? ? ??89 v 8 h e?y?7 f ltc6804 9 vy 12 he??g \ ( ^ 6 he? ) d( ?\gh? ?) b\?qgh adc ? ? ? f?ye?pf?? 12 ?e\?y ? ?? dj\ y c ??e kzh) b\?y ?l (c12) q ksh ) b\?y ?l (c6) ? ?i: f?4\ye?pf ??p d? ?l) b\?e 1 ?0?ye ? fj\ye? 8e 1 ??sh) b\?jyij\ 8 d @sh 100 ? e?? 1 ?e? \ f? ,e? 8 d j\yi] z *[sh 0v y?p f$. d ?\ l ??? ? 1 ? ( z?tyj\e?i]?? ?l ) pj? ?a y f ?sh pcb j 1 ?h ltc6804-1 ? ? s h pcb j 1 ? h ltc6804-1 ? ? ? d ltc6804-1 isospi ly? ? ? h ? f??sh pcb jth ltc6804-1 ??? d?js? 9% -^n? {? f?? d ?\ h ?e? \j y ic ? ? d6?y^nq?jsej dy f? 41 jy?sh pcb jhth ltc6804-1 ye\? 7 di @sh ltc6820 ~l mcu ? | f ;\ isospi p?) zsh mcu 1 ?sh ltc6804 sh y?? ltc6820 zaz_y,t spi 7 l? \ ?~ ltc6804 ? |ygt isospi ) f? 42 j ysh?7 f ltc6820 e\?4\ d???? ? s?q ltc6804 y < ?? ? d6^n f$. d ltc6820 ? ? $ y z b m s ? s ? ? ? s h ? l ? ( ? ltc6804 ic qe? \ ) y? u ?? f ? isospi )? ?? LTC6804-2 LTC6804-2 y 0g $a zh?? 1 ? h isospi ? ?? ( @6 9sp t4a ?? 1 ? d }t? /j ?sh}y( spi c ) f? 43 jysh ?? u?7 dp te ? ?? ( ? ?? ) q ^?jl ? f gk? ? d za?y LTC6804-2 1 ?p tjyt ? f ,t?e-5 ?(ht8 ??ye? d??5& ?6 9 isospi ?t :y ^l f? LTC6804-2 j ? 0g ? d4 z? aip? ? f 1 ey ?[ y ? d a?%t ? 0gy???6? ??? ?p? f?c ? dem c emc ???yz_*e)q1?8 ? f ?o?8 ?? 44 ?j d ?\shes ?8^ngh isospi ly? ?y isospi |? f isospi |?ht : 1.6v y ? ? 7?? 50ns q 150ns y ? 1 f? , a? deo?shht 40 h 1000 h >e qsh 1:1 pay ? f8 ? ? ? b]& ?%-? y ai i ld b]& ?-? ?1.5db f?y? |?js deo?sh m?e??y ?ekh ? ?|?t 6y ? d?? 45 ?j f?e??e 1 ?s h 27pf e??ye?? ( 0}ye??6"s ? ? ?|ey ?b ) f? ?? t rhsh?e?? q?|?t 6 d??4\sh0}y 100pf e?? f? 4 8 a e y s - ~ lt c 6 8 0 4 ? 4 \ y ? f 10/100basetx ??c ?? ??? dt?e\? ? ?q l?y*\ f??c ??tshx.y? ? j4as ???y?|?t 6 dati?|s ?ai ?t? f e?^n e t,e\?gh ltc6804 ??9 v?s \e? ( ?? $ / ) e g ( l 1 ? y e ? f ? e \ ? g h ltc6804 z ???y?|e d u ? 1?? ht cmrr f g ? d ?ysg ?t j ?\e??*?^n e f4\e??y ,g? ? w n (1 e? ? ) jy-i e^n|? ai d?|? ai? y?js ?b fe?? z d6et^n d( t?|s fo ?sg??y84\ ? ( @ ?\j?e???a?|e-5f? v reg d ?v et ?*\ ) f? 46 jys ? ?\e?^n e y?7e) di ? d 1 ?yey f isospi ?? ltc6804 a ge\?y isospi ) ? ?e?j ?b ? f isospi ? uy q?j ?b_ ? i b et?? f i b et 100 a 1ma y ? f- y i b ? ready q active k?y isospi ? dt y i b ?6# ? ? ^le?? r m gly|?e v a y 7 f i b _ 1 ? ibias ??q gnd ? ?y r b1 q 680412fa r b2 e???q8 ? d?? 44 ?j f?}pe\ d z i b ?? 0.5ma ?~?j ?b? ?? $j3y 1;e f? ?\ i b ?=??sh 1:1 ? r m = 120 ? ? d r b1 e ?? 2.8k d r b2 ?e ?? 1.2k f sjy cat5 p t? d , ?=? $?: 50m y | wn f? , >50m ey?ye\ dd z i b # 1ma f tey? b]& ?y# (-5 y?j ?b fa? d? ?\ t@ 50m yey??? ujpa? 1:1 y ?q r m = 120 ? ? d r b1 z? 1.4k d r b2 z? 600 ? f?e\y d?4\iy i b ?=?%- ?ek d ?j ?b f , ? d? ??"e v icmp ?o? r b1 q r b2 e???= ? de ?\h&y ?? j ? < 50m yey j i b = 0.5ma v a = (20 ? i b ) ? (r m /2) v tcmp = (1/2) ? v a v icmp = 2 ? v tcmp r b2 = v icmp /i b r b1 = (2/i b ) ? r b2 ? > 50m yey j i b = 1ma v a = (20 ? i b ) ? (r m /2) v tcmp = 1/4 ? v a v icmp = 2 ? v tcmp r b2 = v icmp /i b r b1 = (2/i b ) ? r b2 ltc6804-1/ LTC6804-2 66 ? 41 j?sh pcb j 1 ?h ltc6804-1 ?? ? 42 j zsh ltc6804-1 ~sh ltc6820 1? d6^n spi ?s ?|1 ? * www.linear.com.cn/ltc6804-1 120 ? ? 120 2.8k 1.21k ipb imb ipa ibias icmp ltc6804-1 to next ltc6804-1 v ? ima 120 ? ? ? ? 120 120 5v 5v 5v 1.21k 5v 100nf 2.8k 1.21k 100nf 2.8k 1.21k 680412 f41 ipb imb ipa ibias icmp ltc6804-1 v ? ima ibias icmp gnd slow mstr ip im v dd sdo sdi sck cs v dds en mosi miso sck cs pol pha ltc6820 c 120 120 2.8k 1.21k 2.8k 1.21k 1.21k 100nf ibias icmp gnd slow mstr ip im v dd v dds en mosi miso sck cs pol pha 5v 5v 5v 5v ltc6820 100nf ipa ibias ima v ? icmp 680412 f42 ltc6804-1 to next ltc6804-1 120 ipb imb c sdo cs sdi sck ? ? ? ? ? ? ?\ ltc6804 9 ve?pf?? 12 ye? \ ? ltc6804 _e? \6e d? ltc6804 ? ?9 vy e ?e?pfa ?? ltc6804 yeue? fe?ey <qe?? 11v ?m?? ltc6804 d ? f? 40 jy ltc6804 ?\?? e3ye? ? ??89 v 8 h e?y?7 f ltc6804 9 vy 12 he??g \ ( ^ 6 he? ) d( ?\gh? ?) b\?qgh adc ? ? ? f?ye?pf?? 12 ?e\?y ? ?? dj\ y c ??e kzh) b\?y ?l (c12) q ksh ) b\?y ?l (c6) ? ?i: f?4\ye?pf ??p d? ?l) b\?e 1 ?0?ye? fj\ye? 8e 1 ??sh) b\?jyij\ 8 d @sh 100 ? e?? 1 ?e? \ f? ,e? 8 d j\yi] z *[sh 0v y?p f$. d ?\ l ??? ? 1 ? ( z?tyj\e?i]?? ?l ) pj? ?a y f ?sh pcb j 1 ?h ltc6804-1 ? ? s h pcb j 1 ? h ltc6804-1 ? ? ? d ltc6804-1 isospi ly? ? ? h ? f??sh pcb jth ltc6804-1 ??? d?js? 9% -^n? {? f?? d ?\ h ?e? \j y ic ? ? d6?y^nq?jsej dy f? 41 jy?sh pcb jhth ltc6804-1 ye\? 7 di @sh ltc6820 ~l mcu ? | f ;\ isospi p?) zsh mcu 1 ?sh ltc6804 sh y?? ltc6820 zaz_y,t spi 7 l? \ ?~ ltc6804 ? |ygt isospi ) f? 42 j ysh?7 f ltc6820 e\?4\ d???? ? s?q ltc6804 y < ?? ? d6^n f$. d ltc6820 ? ? $ y z b m s ? s ? ? ? s h ? l ? ( ? ltc6804 ic qe? \ ) y? u ?? f ? isospi )? ?? LTC6804-2 LTC6804-2 y 0g $a zh?? 1 ? h isospi ? ?? ( @6 9sp t4a ?? 1 ? d }t? /j ?sh}y( spi c ) f? 43 jysh ?? u?7 dp te ? ?? ( ? ?? ) q ^?jl ? f gk? ? d za?y LTC6804-2 1 ?p tjyt ? f ,t?e-5 ?(ht8 ??ye? d??5& ?6 9 isospi ?t :y ^l f? LTC6804-2 j ? 0g ? d4 z? aip? ? f 1 ey ?[ y ? d a?%t ? 0gy???6? ??? ?p? f?c ? dem c emc ???yz_*e)q1?8 ? f e\|1 ?o?8 ?? 44 ?j d ?\shes ?8^ngh isospi ly? ?y isospi |? f isospi |?ht : 1.6v y ? ? 7?? 50ns q 150ns y ? 1 f? , a? deo?shht 40 h 1000 h >e qsh 1:1 pay ? f8 ? ? ? b]& ?%-? y ai i ld b]& ?-? ?1.5db f?y? |?js deo?sh m?e??y ?ekh ? ?|?t 6y ? d?? 45 ?j f?e??e 1 ?s h 27pf e??ye?? ( 0}ye??6"s ? ? ?|ey ?b ) f? ?? t rhsh?e?? q?|?t 6 d??4\sh0}y 100pf e?? f? 4 8 a e y s - ~ lt c 6 8 0 4 ? 4 \ y ? f 10/100basetx ??c ?? ??? dt?e\? ? ? q l?y*\ f??c ??tshx.y? ? j 4as ???y?|?t 6 dati?|s ?ai ?t? f e?^n e t,e\?gh ltc6804 ??9 v?s \e? ( ?? $ / ) e g ( l 1 ? y e ? f ? e \ ? g h ltc6804 z ???y?|e d u ? 1?? ht cmrr f g ? d ?ysg ?t j ?\e??*?^n e f4\e??y ,g? ? w n (1 e? ? ) jy-i e^n|? ai d?|? ai? y?js ?b fe?? z d6et^n d( t?|s fo ?sg??y84\ ? ( @ ?\j?e???a?|e-5f? v reg d ?v et ?*\ ) f? 46 jys ? ?\e?^n e y?7e) di ? d 1 ?yey f isospi ?? ltc6804 a ge\?y isospi ) ? ?e?j ?b ? f isospi ? uy q?j ?b_ ? i b et?? f i b et 100 a 1ma y ? f- y i b ? ready q active k?y isospi ? dt y i b ?6# ? ? ^le?? r m gly|?e v a y 7 f i b _ 1 ? ibias ??q gnd ? ?y r b1 q 680412fa r b2 e???q8 ? d?? 44 ?j f?}pe\ d z i b ?? 0.5ma ?~?j ?b? ?? $j3y 1;e f? ?\ i b ?=??sh 1:1 ? r m = 120 ? ? d r b1 e ?? 2.8k d r b2 ?e ?? 1.2k f sjy cat5 p t? d , ?=? $?: 50m y | wn f? , >50m ey?ye\ dd z i b # 1ma f tey? b]& ?y# (-5 y?j ?b fa? d? ?\ t@ 50m yey??? ujpa? 1:1 y ?q r m = 120 ? ? d r b1 z? 1.4k d r b2 z? 600 ? f?e\y d?4\iy i b ?=?%- ?ek d ?j ?b f , ? d? ??"e v icmp ?o? r b1 q r b2 e???= ? de ?\h&y ?? j ? < 50m yey j i b = 0.5ma v a = (20 ? i b ) ? (r m /2) v tcmp = (1/2) ? v a v icmp = 2 ? v tcmp r b2 = v icmp /i b r b1 = (2/i b ) ? r b2 ? > 50m yey j i b = 1ma v a = (20 ? i b ) ? (r m /2) v tcmp = 1/4 ? v a v icmp = 2 ? v tcmp r b2 = v icmp /i b r b1 = (2/i b ) ? r b2 67 ? 43 j ?\sg?g ??8 1 ? LTC6804-2 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 2.8k 1.21k ipa ibias isomd ima v ? v regb icmp LTC6804-2 2.8k 1.21k ipa ibias isomd ima v ? v rega icmp 680412 f43 LTC6804-2 2.8k 1.21k gndb gnda gndc gndb gnda gndc ipa ibias isomd ima v ? v regc icmp LTC6804-2 120 ? ? ? ? ? ? ? ? 120 2.8k 1.21k 1.21k 100nf ibias icmp gnd slow mstr ip im v dd v dds en mosi miso sck cs pol pha 5v 5v 5v 5v ltc6820 100nf c sdo cs sdi sck ?\ ltc6804 9 ve?pf?? 12 ye? \ ? ltc6804 _e? \6e d? ltc6804 ? ?9 vy e ?e?pfa ?? ltc6804 yeue? fe?ey <qe?? 11v ?m?? ltc6804 d ? f? 40 jy ltc6804 ?\?? e3ye? ? ??89 v 8 h e?y?7 f ltc6804 9 vy 12 he??g \ ( ^ 6 he? ) d( ?\gh? ?) b\?qgh adc ? ? ? f?ye?pf?? 12 ?e\?y ? ?? dj\ y c ??e kzh) b\?y ?l (c12) q ksh ) b\?y ?l (c6) ? ?i: f?4\ye?pf ??p d? ?l) b\?e 1 ?0?ye? fj\ye? 8e 1 ??sh) b\?jyij\ 8 d @sh 100 ? e?? 1 ?e? \ f? ,e? 8 d j\yi] z *[sh 0v y?p f$. d ?\ l ??? ? 1 ? ( z?tyj\e?i]?? ?l ) pj? ?a y f ?sh pcb j 1 ?h ltc6804-1 ? ? s h pcb j 1 ? h ltc6804-1 ? ? ? d ltc6804-1 isospi ly? ? ? h ? f??sh pcb jth ltc6804-1 ??? d?js? 9% -^n? {? f?? d ?\ h ?e? \j y ic ? ? d6?y^nq?jsej dy f? 41 jy?sh pcb jhth ltc6804-1 ye\? 7 di @sh ltc6820 ~l mcu ? | f ;\ isospi p?) zsh mcu 1 ?sh ltc6804 sh y?? ltc6820 zaz_y,t spi 7 l? \ ?~ ltc6804 ? |ygt isospi ) f? 42 j ysh?7 f ltc6820 e\?4\ d???? ? s?q ltc6804 y < ?? ? d6^n f$. d ltc6820 ? ? $ y z b m s ? s ? ? ? s h ? l ? ( ? ltc6804 ic qe? \ ) y? u ?? f ? isospi )? ?? LTC6804-2 LTC6804-2 y 0g $a zh?? 1 ? h isospi ? ?? ( @6 9sp t4a ?? 1 ? d }t? /j ?sh}y( spi c ) f? 43 jysh ?? u?7 dp te ? ?? ( ? ?? ) q ^?jl ? f gk? ? d za?y LTC6804-2 1 ?p tjyt ? f ,t?e-5 ?(ht8 ??ye? d??5& ?6 9 isospi ?t :y ^l f? LTC6804-2 j ? 0g ? d4 z? aip? ? f 1 ey ?[ y ? d a?%t ? 0gy???6? ??? ?p? f?c ? dem c emc ???yz_*e)q1?8 ? f e\|1 ?o?8 ?? 44 ?j d ?\shes ?8^ngh isospi ly? ?y isospi |? f isospi |?ht : 1.6v y ? ? 7?? 50ns q 150ns y ? 1 f? , a? deo?shht 40 h 1000 h >e qsh 1:1 pay ? f8 ? ? ? b]& ?%-? y ai i ld b]& ?-? ?1.5db f?y? |?js deo?sh m?e??y ?ekh ? ?|?t 6y ? d?? 45 ?j f?e??e 1 ?s h 27pf e??ye?? ( 0}ye??6"s ? ? ?|ey ?b ) f? ?? t rhsh?e?? q?|?t 6 d??4\sh0}y 100pf e?? f? 4 8 a e y s - ~ lt c 6 8 0 4 ? 4 \ y ? f 10/100basetx ??c ?? ??? dt?e\? ? ? q l?y*\ f??c ??tshx.y? ? j 4as ???y?|?t 6 dati?|s ?ai ?t? f e?^n e t,e\?gh ltc6804 ??9 v?s \e? ( ?? $ / ) e g ( l 1 ? y e ? f ? e \ ? g h ltc6804 z ???y?|e d u ? 1?? ht cmrr f g ? d ?ysg ?t j ?\e??*?^n e f4\e??y ,g? ? w n (1 e? ? ) jy-i e^n|? ai d?|? ai? y?js ?b fe?? z d6et^n d( t?|s fo ?sg??y84\ ? ( @ ?\j?e???a?|e-5f? v reg d ?v et ?*\ ) f? 46 jys ? ?\e?^n e y?7e) di ? d 1 ?yey f isospi ?? ltc6804 a ge\?y isospi ) ? ?e?j ?b ? f isospi ? uy q?j ?b_ ? i b et?? f i b et 100 a 1ma y ? f- y i b ? ready q active k?y isospi ? dt y i b ?6# ? ? ^le?? r m gly|?e v a y 7 f i b _ 1 ? ibias ??q gnd ? ?y r b1 q 680412fa r b2 e???q8 ? d?? 44 ?j f?}pe\ d z i b ?? 0.5ma ?~?j ?b? ?? $j3y 1;e f? ?\ i b ?=??sh 1:1 ? r m = 120 ? ? d r b1 e ?? 2.8k d r b2 ?e ?? 1.2k f sjy cat5 p t? d , ?=? $?: 50m y | wn f? , >50m ey?ye\ dd z i b # 1ma f tey? b]& ?y# (-5 y?j ?b fa? d? ?\ t@ 50m yey??? ujpa? 1:1 y ?q r m = 120 ? ? d r b1 z? 1.4k d r b2 z? 600 ? f?e\y d?4\iy i b ?=?%- ?ek d ?j ?b f , ? d? ??"e v icmp ?o? r b1 q r b2 e???= ? de ?\h&y ?? j ? < 50m yey j i b = 0.5ma v a = (20 ? i b ) ? (r m /2) v tcmp = (1/2) ? v a v icmp = 2 ? v tcmp r b2 = v icmp /i b r b1 = (2/i b ) ? r b2 ? > 50m yey j i b = 1ma v a = (20 ? i b ) ? (r m /2) v tcmp = 1/4 ? v a v icmp = 2 ? v tcmp r b2 = v icmp /i b r b1 = (2/i b ) ? r b2 ltc6804-1/ LTC6804-2 68 ? 44 j isospi e) ? 48 j ae4\y ? ? ? halo halo halo pulse pulse wrth wrth sumida ??? tg110-aex50n5lf tg110-ae050n5lf tgr01-6506v6nl pe-68386nl hx1188nl 7490100111 750340848 cep99 pa 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 ] ?45c 125c ?45c 85c ?40c 105c ?40c 130c ?45c 85c ?40c 105c ?40c 105c ?40c 125c ?| (cm) ?t 6 t t t t ?e?? t t t t t ^ne 1500v rms 1500v rms 3000v rms 1500v dc 1500v rms 1500v rms 3750v rms 3500vdc ? 45 jht?|?t 6y ? ?|1 ? * www.linear.com.cn/ltc6804-1 r m ipa isomd v reg ima ibias icmp 680412 f44 ltc6804 r m r b1 r b2 r b1 r b2 ipb isomd imb ibias icmp mosi miso sck cs sdo sdi sck cs ltc6804 twisted-pair cable with characteristic impedance r m isolation barrier (may use one or two tranformers) master ? ? ? ? 680412 f45 ?\ ltc6804 9 ve?pf?? 12 ye? \ ? ltc6804 _e? \6e d? ltc6804 ? ?9 vy e ?e?pfa ?? ltc6804 yeue? fe?ey <qe?? 11v ?m?? ltc6804 d ? f? 40 jy ltc6804 ?\?? e3ye? ? ??89 v 8 h e?y?7 f ltc6804 9 vy 12 he??g \ ( ^ 6 he? ) d( ?\gh? ?) b\?qgh adc ? ? ? f?ye?pf?? 12 ?e\?y ? ?? dj\ y c ??e kzh) b\?y ?l (c12) q ksh ) b\?y ?l (c6) ? ?i: f?4\ye?pf ??p d? ?l) b\?e 1 ?0?ye? fj\ye? 8e 1 ??sh) b\?jyij\ 8 d @sh 100 ? e?? 1 ?e? \ f? ,e? 8 d j\yi] z *[sh 0v y?p f$. d ?\ l ??? ? 1 ? ( z?tyj\e?i]?? ?l ) pj? ?a y f ?sh pcb j 1 ?h ltc6804-1 ? ? s h pcb j 1 ? h ltc6804-1 ? ? ? d ltc6804-1 isospi ly? ? ? h ? f??sh pcb jth ltc6804-1 ??? d?js? 9% -^n? {? f?? d ?\ h ?e? \j y ic ? ? d6?y^nq?jsej dy f? 41 jy?sh pcb jhth ltc6804-1 ye\? 7 di @sh ltc6820 ~l mcu ? | f ;\ isospi p?) zsh mcu 1 ?sh ltc6804 sh y?? ltc6820 zaz_y,t spi 7 l? \ ?~ ltc6804 ? |ygt isospi ) f? 42 j ysh?7 f ltc6820 e\?4\ d???? ? s?q ltc6804 y < ?? ? d6^n f$. d ltc6820 ? ? $ y z b m s ? s ? ? ? s h ? l ? ( ? ltc6804 ic qe? \ ) y? u ?? f ? isospi )? ?? LTC6804-2 LTC6804-2 y 0g $a zh?? 1 ? h isospi ? ?? ( @6 9sp t4a ?? 1 ? d }t? /j ?sh}y( spi c ) f? 43 jysh ?? u?7 dp te ? ?? ( ? ?? ) q ^?jl ? f gk? ? d za?y LTC6804-2 1 ?p tjyt ? f ,t?e-5 ?(ht8 ??ye? d??5& ?6 9 isospi ?t :y ^l f? LTC6804-2 j ? 0g ? d4 z? aip? ? f 1 ey ?[ y ? d a?%t ? 0gy???6? ??? ?p? f?c ? dem c emc ???yz_*e)q1?8 ? f e\|1 ?o?8 ?? 44 ?j d ?\shes ?8^ngh isospi ly? ?y isospi |? f isospi |?ht : 1.6v y ? ? 7?? 50ns q 150ns y ? 1 f? , a? deo?shht 40 h 1000 h >e qsh 1:1 pay ? f8 ? ? ? b]& ?%-? y ai i ld b]& ?-? ?1.5db f?y? |?js deo?sh m?e??y ?ekh ? ?|?t 6y ? d?? 45 ?j f?e??e 1 ?s h 27pf e??ye?? ( 0}ye??6"s ? ? ?|ey ?b ) f? ?? t rhsh?e?? q?|?t 6 d??4\sh0}y 100pf e?? f? 4 8 a e y s - ~ lt c 6 8 0 4 ? 4 \ y ? f 10/100basetx ??c ?? ??? dt?e\? ? ?q l?y*\ f??c ??tshx.y? ? j 4as ???y?|?t 6 dati?|s ?ai ?t? f e?^n e t,e\?gh ltc6804 ??9 v?s \e? ( ?? $ / ) e g ( l 1 ? y e ? f ? e \ ? g h ltc6804 z ???y?|e d u ? 1?? ht cmrr f g ? d ?ysg ?t j ?\e??*?^n e f4\e??y ,g? ? w n (1 e? ? ) jy-i e^n|? ai d?|? ai? y?js ?b fe?? z d6et^n d( t?|s fo ?sg??y84\ ? ( @ ?\j?e???a?|e-5f? v reg d ?v et ?*\ ) f? 46 jys ? ?\e?^n e y?7e) di ? d 1 ?yey f isospi ?? ltc6804 a ge\?y isospi ) ? ?e?j ?b ? f isospi ? uy q?j ?b_ ? i b et?? f i b et 100 a 1ma y ? f- y i b ? ready q active k?y isospi ? dt y i b ?6# ? ? ^le?? r m gly|?e v a y 7 f i b _ 1 ? ibias ??q gnd ? ?y r b1 q 680412fa r b2 e???q8 ? d?? 44 ?j f?}pe\ d z i b ?? 0.5ma ?~?j ?b? ?? $j3y 1;e f? ?\ i b ?=??sh 1:1 ? r m = 120 ? ? d r b1 e ?? 2.8k d r b2 ?e ?? 1.2k f sjy cat5 p t? d , ?=? $?: 50m y | wn f? , >50m ey?ye\ dd z i b # 1ma f tey? b]& ?y# (-5 y?j ?b fa? d? ?\ t@ 50m yey??? ujpa? 1:1 y ?q r m = 120 ? ? d r b1 z? 1.4k d r b2 z? 600 ? f?e\y d?4\iy i b ?=?%- ?ek d ?j ?b f , ? d? ??"e v icmp ?o? r b1 q r b2 e???= ? de ?\h&y ?? j ? < 50m yey j i b = 0.5ma v a = (20 ? i b ) ? (r m /2) v tcmp = (1/2) ? v a v icmp = 2 ? v tcmp r b2 = v icmp /i b r b1 = (2/i b ) ? r b2 ? > 50m yey j i b = 1ma v a = (20 ? i b ) ? (r m /2) v tcmp = 1/4 ? v a v icmp = 2 ? v tcmp r b2 = v icmp /i b r b1 = (2/i b ) ? r b2 69 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 ? 46 je??^n e 500 ipa isomd v reg ima 680412 f46 ltc6804 500 500 500 ipb isomd imb mosi miso sck cs sdo sdi sck cs ltc6804 c 100nf 100nf v reg ?\ ltc6804 9 ve?pf?? 12 ye? \ ? ltc6804 _e? \6e d? ltc6804 ? ?9 vy e ?e?pfa ?? ltc6804 yeue? fe?ey <qe?? 11v ?m?? ltc6804 d ? f? 40 jy ltc6804 ?\?? e3ye? ? ??89 v 8 h e?y?7 f ltc6804 9 vy 12 he??g \ ( ^ 6 he? ) d( ?\gh? ?) b\?qgh adc ? ? ? f?ye?pf?? 12 ?e\?y ? ?? dj\ y c ??e kzh) b\?y ?l (c12) q ksh ) b\?y ?l (c6) ? ?i: f?4\ye?pf ??p d? ?l) b\?e 1 ?0?ye? fj\ye? 8e 1 ??sh) b\?jyij\ 8 d @sh 100 ? e?? 1 ?e? \ f? ,e? 8 d j\yi] z *[sh 0v y?p f$. d ?\ l ??? ? 1 ? ( z?tyj\e?i]?? ?l ) pj? ?a y f ?sh pcb j 1 ?h ltc6804-1 ? ? s h pcb j 1 ? h ltc6804-1 ? ? ? d ltc6804-1 isospi ly? ? ? h ? f??sh pcb jth ltc6804-1 ??? d?js? 9% -^n? {? f?? d ?\ h ?e? \j y ic ? ? d6?y^nq?jsej dy f? 41 jy?sh pcb jhth ltc6804-1 ye\? 7 di @sh ltc6820 ~l mcu ? | f ;\ isospi p?) zsh mcu 1 ?sh ltc6804 sh y?? ltc6820 zaz_y,t spi 7 l? \ ?~ ltc6804 ? |ygt isospi ) f? 42 j ysh?7 f ltc6820 e\?4\ d???? ? s?q ltc6804 y < ?? ? d6^n f$. d ltc6820 ? ? $ y z b m s ? s ? ? ? s h ? l ? ( ? ltc6804 ic qe? \ ) y? u ?? f ? isospi )? ?? LTC6804-2 LTC6804-2 y 0g $a zh?? 1 ? h isospi ? ?? ( @6 9sp t4a ?? 1 ? d }t? /j ?sh}y( spi c ) f? 43 jysh ?? u?7 dp te ? ?? ( ? ?? ) q ^?jl ? f gk? ? d za?y LTC6804-2 1 ?p tjyt ? f ,t?e-5 ?(ht8 ??ye? d??5& ?6 9 isospi ?t :y ^l f? LTC6804-2 j ? 0g ? d4 z? aip? ? f 1 ey ?[ y ? d a?%t ? 0gy???6? ??? ?p? f?c ? dem c emc ???yz_*e)q1?8 ? f ?o?8 ?? 44 ?j d ?\shes ?8^ngh isospi ly? ?y isospi |? f isospi |?ht : 1.6v y ? ? 7?? 50ns q 150ns y ? 1 f? , a? deo?shht 40 h 1000 h >e qsh 1:1 pay ? f8 ? ? ? b]& ?%-? y ai i ld b]& ?-? ?1.5db f?y? |?js deo?sh m?e??y ?ekh ? ?|?t 6y ? d?? 45 ?j f?e??e 1 ?s h 27pf e??ye?? ( 0}ye??6"s ? ? ?|ey ?b ) f? ?? t rhsh?e?? q?|?t 6 d??4\sh0}y 100pf e?? f? 4 8 a e y s - ~ lt c 6 8 0 4 ? 4 \ y ? f 10/100basetx ??c ?? ??? dt?e\? ? ?q l?y*\ f??c ??tshx.y? ? j4as ???y?|?t 6 dati?|s ?ai ?t? f e\|1 e?^n e t,e\?gh ltc6804 ??9 v?s \e? ( ?? $ / ) e g ( l 1 ? y e ? f ? e \ ? g h ltc6804 z ???y?|e d u ? 1?? ht cmrr f g ? d ?ysg ?t j ?\e??*?^n e f4\e??y ,g? ? w n (1 e? ? ) jy-i e^n|? ai d?|? ai? y?js ?b fe?? z d6et^n d( t?|s fo ?sg??y84\ ? ( @ ?\j?e???a?|e-5f? v reg d ?v et ?*\ ) f? 46 jys ? ?\e?^n e y?7e) di ? d 1 ?yey f isospi ?? ltc6804 a ge\?y isospi ) ? ?e?j ?b ? f isospi ? uy q?j ?b_ ? i b et?? f i b et 100 a 1ma y ? f- y i b ? ready q active k?y isospi ? dt y i b ?6# ? ? ^le?? r m gly|?e v a y 7 f i b _ 1 ? ibias ??q gnd ? ?y r b1 q 680412fa r b2 e???q8 ? d?? 44 ?j f?}pe\ d z i b ?? 0.5ma ?~?j ?b? ?? $j3y 1;e f? ?\ i b ?=??sh 1:1 ? r m = 120 ? ? d r b1 e ?? 2.8k d r b2 ?e ?? 1.2k f sjy cat5 p t? d , ?=? $?: 50m y | wn f? , >50m ey?ye\ dd z i b # 1ma f tey? b]& ?y# (-5 y?j ?b fa? d? ?\ t@ 50m yey??? ujpa? 1:1 y ?q r m = 120 ? ? d r b1 z? 1.4k d r b2 z? 600 ? f?e\y d?4\iy i b ?=?%- ?ek d ?j ?b f , ? d? ??"e v icmp ?o? r b1 q r b2 e???= ? de ?\h&y ?? j ? < 50m yey j i b = 0.5ma v a = (20 ? i b ) ? (r m /2) v tcmp = (1/2) ? v a v icmp = 2 ? v tcmp r b2 = v icmp /i b r b1 = (2/i b ) ? r b2 ? > 50m yey j i b = 1ma v a = (20 ? i b ) ? (r m /2) v tcmp = 1/4 ? v a v icmp = 2 ? v tcmp r b2 = v icmp /i b r b1 = (2/i b ) ? r b2 ? 47 jp? o ~ey?y? cable length (meters) 1 dat a rate (mbps) 1.2 0.8 0.4 0.2 1.0 0.6 0 10 680412 f47 100 cat-5 assumed ltc6804-1/ LTC6804-2 70 ? 48 j\?? $ e3 emc ?y ae isospi e) ? 49 j\? ?\? m?e??y ??? $ e3 emc ?y ae isospi e) 680412 f48 transformer with common mode choke 100pf 120 ip im ltc6804 60.4 100pf common mode choke 60.4 680412 f51 ltc6804 ip im ? 49 j aey?|?t 6 ? ? tdk murata ??? act45b-220-2p dlw43sh510xk2 ?|1 ? * www.linear.com.cn/ltc6804-1 e\|1 680412fa isospi )y e}p? o _?\eyy??? f? 10 e? ?yey d ?\ 1mhz y e} spi ?r? f ?ey?# ? d e}y\ spi ?r o h% f j a? @eyy agp# ( att ? ???< ? ) ?? f? 47 jy? ?\s cat 5 p t? d#u? 9 ey?y# t%- e}p? o f eyp6bgg?? ?? j t clk e t 6 q t 7 f ? e $ ? ?? dj ??i%x 100ns ? d6 50ns yey p f???yey d? ?\h&y,q e??? p j t clk d t 6 q t 7 > 0.9 s + 2 ? t cable emc ?y { e3ye>r? (emc) ? dd ?\? 48 q 49 ?ye)?s f ?y?e??e ?\sh 100pf e?? ?) f?e??e?? zt?? ? ?||? f e?54\}y (>100pf) ?e??e?? da?4a z? ? isospi ? ???|e? $? fje4\ysht ?e??y ? d?ea ^le??gh ?(l 1 ? ip q dm t)ygl fghe??y?ee @s he?? ?) d?? 49 ?j f?y ?|et s d?e: sh~ ltc6804 y ip q im t)ly? |?t 6 f?|?t 6e d emi 5b dp ?%- emi g? f?o??|?t 6? d? 50mhz q-? 50mhz y|? d|?e? 20 ? e?? fd4\ '???ce\?y?|?t 6 f $. d? $e)sb e}& d isospi |?t)y 1?p ?qy y*\ fem c?h1?8? j 1. ?e: 8 ?f? isospi ey 1 ??y? f wne-5 2cm ?? f ltc6804 e: wn ?? 1cm 2cm y? d??? $ ic ~> y^n f 2. ?ly \?4j d ? e isospi 1 ??yhe k ?~ 1 ??? ?? {: ??;& f 3. e;\ ???ned ? z isospi |?t~t ye) qt^n ?8 f? {tt s isospi |?t) d e _?4jysh ??;&^ ? f 71 ltc6804-1/ LTC6804-2 ?|1 ? * www.linear.com.cn/ltc6804-1 e\|1 680412fa isospi etj ?y dat ?~?j ? ? ?:tg 1 f ltc6804 y?j ?? ?\sg} et!] (bci) ? ?y y f bci ? ?ye;q 1mhz 400mhz y? ? zet!]p t f? ? \ e? i b et (100 a) ? d isospi ) @ 40ma bci ? d(ty? f??8e\8- d 40ma bci ? j dy f?e\ht {y bci ? da? ltc6804 i b ? ?? 1ma dc e} t f isospi ? u ? d @ 200ma bci ? dtt ai y? f 200ma y ? t9???t jjy f ltc6804-1/ LTC6804-2 72 ?|1 ? * www.linear.com.cn/ltc6804-1 680412fa 0.10 ? 0.25 (.004 ? .010) 0 ? 8 g48 (ssop) 0910 rev 0 seating plane 0.55 ? 0.95** (.022 ? .037) 1.25 (.0492) ref 5.00 ? 5.60* (.197 ? .221) 7.40 ? 8.20 (.291 ? .323) 1234 5 6 7 8 9 10 11 12 14 15 16 17 18 19 20 21 22 23 24 13 142434 84 74 64 54 44 40 39 38 37 36 35 34 33 31 30 29 28 27 26 25 32 12.50 ? 13.10* (.492 ? .516) 2.0 (.079) max 1.65 ? 1.85 (.065 ? .073) 0.05 (.002) min 0.50 (.01968) bsc 0.20 ? 0.30 ? (.008 ? .012) typ millimeters (inches) dimensions do not include mold flash or protrusions, but do include mold mismatch and are measured at the parting line. mold flash shall not exceed .15mm per side length of lead for solderring to a substrate the maximum dimension does not include dambar protrusions. dambar protrusions do not exceed 0.13mm per side * ** ? note: 1.drawing is not a jedec outline 2. controlling dimension: millimeters 3. dimensions are in 4. drawing not to scale 5. formed leads shall be planar with respect to one another within 0.08mm at seating plane 0.25 0.05 parting line 0.50 bsc 5.3 ? 5.7 7.8 ? 8.2 recommended solder pad layout apply solder mask to areas that are not soldered 1.25 0.12 g 48 ?? ?? ssop (5.3mm) ( y ltc dwg # 05-08-1887 rev ?) \ ? e?y ?u d ?} http://www.linear.com.cn/designtools/packaging/ 73 ltc6804-1/ LTC6804-2 _wb' $?! d6y ?i v?_?f d(i?!??ie\?? a? f?4\? ?? \ ye)uy?y y;? d?~i?! ? f??h ?6 y?\ d?????h?_ f 680412fa l ?} 680412fa rev ? + \ a 10/13 t jmax } 125c m? 150c ?-y wdt ?? \ ? aey ? ? ??? ? y|1 3 17 e 30 e 56 e 57 68 ltc6804-1/ LTC6804-2 ??? ltc6801 me?ye? \b?9 v? 9 v: 12 ?e?ytq@ fj ltc6802 e ltc6803 q ltc6804 y? ? ltc6802 ze?ye? \9 v? kst * j- ? ? ltc6804 q ltc6803 ?_t ltc6803 ze?ye? \9 v? kzt * j ltc6802 y ? vq??r??? ltc6820 \? spi y^np | ?y ??: 100 y spi | d6sh^n ?y d ?\sp t f j ltc6804 y? ? ltc3300 ? pe?ye? \;e? ? $: 6 l^ne?e e?^ (lifepo4) e?yp ??;e f : 10a y;eet ( _. ? \? ? ) fpv? e}"? ?y;e? ?q ? s fe ?7 e? : 92% f ?\ 48 ????| qfn q lqfp ?\ isospi @y ?i 12 e?9 v? 74 ? linear technology corporation 2013 lt 1013 rev a linear technology corporation w b ' $ ? ! www.linear.com.cn 680412 ta02 v + c12 s12 c11 s11 c10 s10 c9 s9 c8 s8 c7 s7 c6 s6 c5 s5 c4 s4 c3 s3 c2 s2 c1 ipb imb icmp ibias sdo (nc) sdi (nc) sck (ipa) csb (ima) isomd wdt drive v reg swten v ref1 v ref2 gpio5 gpio4 v ? v ? gpio3 gpio2 gpio1 c0 s1 ltc6804-1 10 7 6 8 9 11 isospia ? isospi port a tg110-ae050n5* isospia + 2 1 806 1.2k cell2 3.6v 10nf 100 rqj0303 33 3.3k cell1 3.6v cell3 3.6v 10nf 100 rqj0303 33 3.3k + + + cell12 3.6v 10nf 100 rqj0303 33 100 100 3.3k cell11 3.6v 100 cell3 to cell11 circuits 1f 100nf 100nf 1f 1f 120 15 2 1 3 14 16 isospib ? isospi port b isospib + 2 1 120 27pf *the part shown is a dual transformer with built-in common mode chokes 27pf ? ? ? ? + + nsv1c201mz4 je\ ??? \ ! 680412fa |
Price & Availability of LTC6804-2
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