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telephone ring generator controller PD5036 us p a tent no. 5, 828, 558 pat e nt pending in europe, and a s ia http://
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller powerdsine ltd. tel: +972-3-934-7663 ? fax: +972-3-934-7669 ? email: sales@powerdsine.com powerdsine inc. tel: +516-756-4680 ? fax: +516-756-4691 ? email: pwrdsine@erols.com features ? i n t egrat ed overl oad and s hort ci rc ui t p r ot ec t i on ? p r ogram m abl e large s w i ng out put a m pl i t ude ? di gi t a l l y s e l e c t abl e ri ngi ng frequenc i e s ; 16. 7/ 20/ 25 or 50hz ? li ne regul at ed out put a m pl i t ude, 45-93v rm s ? overl oad p r ot ec t i on w i t h a dapt i v e out put a m pl i t ude ? of f - hook / overl oad det ec t i on ? zero cros s i ng s y nc hroni zat i on out put ? operat es f r om a s i ngl e 5v s uppl y ? open loop fl ybac k topol ogy reduc es com ponent count ? tot a l b ill of m a t e rial cos t as low as $5 i n c l uding t he p d 5036 f o r 2w ri ng generat or a ppl i c at i ons applications ? 1 t o 3 w a t t low cos t s i ne w a ve ri ng generat ors ? 3 t o 6 w a t t advanc ed s i ne w a ve ri ng generat ors ? large v a ri et y of cus t om i z ed s i ne w a ve ri ng generat ors ? ri ng generat or f o r p b x , p a b x , dcl, cti and k e y s y s t em s ? ri ng generat or f or rural tel ephony and w i rel es s loc al loop sy s t em s ? ri ng generat or f o r s hort / long loop a ppl i c at i ons ? ri ng generat or f o r tel e c o m tes t e qui pm ent general description the p d 5036 i s a uni que pul s e w i dt h m odul at or c ont rol l e r, des i gned pri m ari l y f o r a vari et y of hi gh vol t age s i nus oi dal t e l ephone ri ng generat or appl i c at i ons . the p d 5036 i s s ui t abl e f or appl i c at i ons requi ri ng up t o 6 w at t and provi des al l nec es s ary c ont rol s f or i m pl em ent i ng advanc ed overl oad prot ec t i on, zero c r os s i ng rel a y s w i t c h i ng s y nc hroni zat i on, of f - hook det ec t i on, m u l t i p l e ri ngi ng f r equenc y s e l e c t i on and out put am pl i t ude adj us t m ent . the pow er t r ai n, des i gned t o be us ed w i t h t he p d 5036, i s an i s ol at ed, open l oop f l ybac k t opol ogy. the p d 5036 generat es a p w m s i gnal , w hi c h dri v es a fe t t r ans i s t or t hat s w i t c hes t he pri m ary of a f l ybac k t r ans f orm er. thi s produc es a rec t i f i ed hal f s i ne w ave on t he s ec ondary s i de of t he t r ans f o rm er. a n addi t i onal c ont rol s i gnal s y nc hroni zes a 4-out put t r ans i s t o r bri dge, w h i c h c onvert s t he rec t i f i ed hal f s i ne w a v e to fu ll sin e w a v e . in order t o m a i n t a i n t he ri ng generat or? s i nput t o out put i s ol at i on, t he s y nc hroni zat i on s i gnal s c ont rol t he bri dge vi a an opt o c o upl er pai r. the c ont rol l er al s o i n c l udes overl oad prot ec t i on, a / d f unc t i on f o r m eas uri ng t he i nput vol t age, and a report s i gnal f o r i ndi c a t i ng over c u rren t. the p d 5036 i s a c os t -ef f ec t i ve s ol ut i on f or appl i c at i ons us i ng m ore t han 10, 000 uni t s . for quant i t i es l es s t han 10, 000 uni t s , t he m os t ec onom i c al s o l u t i on i s a m odul ar s i ne w a ve ri ng generat or (p cr-s i n01a se r i e s , pc r - sin 0 3 b se r i e s , or t he p c r-s i n06 se r i e s ) . in tern a l blo c k diag ram over-current sensing mechanism transfer function pwm unit cad_in pad_out sine generator clock vcc gnd xtal1 xtal2 inhibit sync overload protection ohd f0 f1 brc cl fs reset clock circuitry PD5036 pwm_out vin sense a/d pwm_out 9 10 16 15 14 13 12 11 1 8 7 6 5 4 3 2 vcc sync brc pad_out cl cad_in i.c. pwm_out inhibit gnd xtal2 xtal1 f0 ohd f1 fs sow-16 package
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller PD5036 us patent no. 5,828,558 patent pending in europe and asia pin description pin sy m bol funct i on pin sy m bol funct i on 1 i n hi b i t rem o t e on/ o f f and res e t cont rol . (ref erenc ed t o gnd t e rm i nal ) 9 s y nc ri ngi ng s i gnal zero c r os s i ng i nduc t i on out put . (2- 2. 5m s bef ore c r os s i ng) 2 fs p w m out put f r equenc y s e l e c t i on i nput . 10 b rc b r i dge s y nc hroni zat i on c ont rol out put . 3 f1 ri ngi ng f r equenc y s e l e c t i on i nput . 11 p a d_out a / d ref e renc e c ont rol s i gnal . 4 f0 ri ngi ng f r equenc y s e l e c t i on i nput . 12 ca d_i n i nput s i gnal f r om t he ex t e rnal a / d c o m parat or. (opt i onal l i ne regul at i on c i rc ui t ) 5 ohd of f - hook / o verl oad report i ng out put . 13 cl current li m i t pul s e c ount er i nput . 6 x t a l1 os c illat o r?s high gain am plif ier input . crys t a l or c e ram i c res onat or or an ex t e rnal c l oc k s ourc e m a y be appl i ed. 14 ____ pw m _ o u t w a t c hdog out put . 7 x t a l2 os c illat o r?s am plif ier out put . required w hen a c r ys t a l or a c e ram i c res onat or i s us ed. thi s t e rm i nal s houl d be l e f t unc onnec t ed w hen us i ng an ex t ernal cl o ck so u r ce . 15 pw m _ o u t m ai n p w m out put s i gnal . 8 gnd ground t e rm i nal . 16 v cc 5v dc s uppl y vol t age. absolute m axim u m ratings sy mbol pa r a me t e r va lue u n it s v c c dc s uppl y v o l t age (ref erenc ed t o gnd) -0. 5 to 6 v c ad _ in , fs, in h i bit, f0 , f1, cl, x t a l1, x t a l2. dc i nput v o l t age (ref erenc ed t o gnd) -0. 5 t o v c c + 0. 5 v ts t g s t orage tem perat ure -40 t o 125 c not e : thes e are s t res s rat i ngs . e x pos ure of t he dev ic e t o any of t hes e c ondit i ons m a y adv ers e ly ef f e c t long-t e rm reliabilit y . p roper operat i on ot her t han t hos e s pec i f i ed i n t he e le c tri c a l s p e c i f i c a t i o ns i s not i m pl i ed. electrical specifications unl ess otherw i s e s t at ed, t hes e s pec i f i c at i ons appl y f or: v c c = +5v , 0 c t a +70 c. dc cha ra ct e ri s t i cs pin sy m bol param e t e r m i n t y p m ax u n it s v c c s uppl y voltage i nput current @ cont i nuous @ s u rge of 200ns ec every 3 se c 4. 75 5. 25 35 110 v ma ma gnd out put current @ cont i nuous @ s u rge of 200ns ec every 3 se c 50 125 ma ma i n hi b i t s c hm i t t tri gger i nput i nput v ol tage level vt+ vt- 2. 65 1. 35 3. 35 1. 95 v v i n t e rnal p u l l dow n 100 k ? f0 , f1 cm os 5v i nput b u f f er i nput v o l t age hi gh level i nput v o l t age low level 0. 7 ? vcc -0. 5 5 0 v c c + 0. 5 0. 3 ? vcc v v i n t e rnal p u l l up 100 k ? fs s c hm i t t tri gger input i nput v ol t age level vt+ vt- 2.65 1. 35 3. 35 1. 95 v v i n t e rnal p u l l dow n 100 k ? b rc out put s ourc e current @ 4. 5v out put s i nk current @ 0. 5v 5 5 10 10 ma ma sync output s ourc e current @ 4. 5v out put s i nk current @ 0. 5v 1. 5 5 2 10 ma ma ohd output sourc e current @ 4. 5v out put s i nk current @ 0. 5v 1. 5 5 2 10 ma ma pwm_out out put hi gh level @ i out =20 m a out put low level @ i out =-20 m a out put s ourc e/ s i nk current @ cont i nuous @ s u rge of 200ns ec every 3 se c v c c - 0. 5 20 0. 5 48 v v ma ma
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller powerdsine ltd. tel: +972-3-934-7663 ? fax: +972-3-934-7669 ? email: sales@powerdsine.com p o w e rdsi ne i n c. tel : +516-756-4680 ? fax : +516-756-4691 ? e m ai l : pw rds i ne@erol s . c o m pin sy m bol param e t e r m i n t y p m ax u n it s wd o out put hi gh level @ i out =1m a out put low level @ i out =-1m a out put s ourc e/ s i nk current @ cont i nuous v c c - 0. 5 1 0. 5 v v ma p a d _out out put hi gh level out put low level out put source/sink current vc c - 0. 2 1. 5 0. 2 2 v v ma ca d_i n cm os 5v i nput b u f f er i nput v o l t age hi gh level i nput v o l t age low level 0. 7 ? vcc -0. 5 5 0 v c c + 0. 5 0. 3 ? vcc v v i n t e rnal p u l l up 100 k ? cl cm os 5v i nput b uf f er i nput v o l t age hi gh level i nput v o l t age low level 0. 7 ? vcc -0. 5 5 0 v c c + 0. 5 0. 3 ? vcc v v i n t e rnal p u l l up 100 k ? cl ock cha r a c t e ri s t i c s pin sy m bol param e t e r m i n t y p m ax u n it s x t a l1 x t a l2 oscillat o r i nput p ad os c illa to r ou tp u t pa d cl oc k frequenc y tot al frequenc y a c c urac y 10 20 1 mh z % (tot al frequenc y a c c u rac y i s i dent i c al t o t he crys t a l / ceram i c res onat or or ex t e rnal c l oc k s ourc e f r equenc y ac c u rac y ) the cloc k os c illat o r w o rk s w i t h a cry s t a l or a ceram i c res onat or or an ex t e rnal cl oc k s ourc e . o per a ting t e m p er a t u r e sy m bol param e t e r m i n t y p m ax u n it s t a tj am bi ent t e m perat ure m a x i m u m j unct i on tem perat ure -40 25 85 125 c c out p ut ri ngi n g & p w m f r e q ue nci e s o s c illa t o r frequency (m ai n cl ock) fs f1 f0 pw m frequency out put frequency out put frequency a ccuracy 12. 28m hz 0 0 0 96k hz 50hz 2% m a x . 0 0 1 96k hz 16. 7hz 2% m a x. 0 1 0 96k hz 25hz 2% m a x . 0 1 1 96k hz 20hz 2% m a x . 19. 66m hz 1 0 0 307. 2k hz 50hz 2% m a x . 1 0 1 307. 2k hz 16. 7hz 2% m a x. 1 1 0 307. 2k hz 25hz 2% m a x . 1 1 1 307. 2k hz 20hz 2% m a x . in h i b i t o p er a t io n operati ng s t ate i nhi bi t s t ate output enabled 0 output disabled 1 in h i b i t o p er a t io n d e la y f s inhibit input operat ing st at e inhibit r esponse t i m e x out put e nabl ed 40m s t y pi c al 0 out put di s abl ed w a i t f o r end of ? s i ne c y c l e, 3 0 ms ma x i mu m 1 out put di s abl ed i m m edi at e
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller PD5036 us patent no. 5,828,558 patent pending in europe and asia sy n c o u t p u t f1 f0 out put frequency sy n c pulse w i dt h m s 0 0 50 4 0 1 16. 7 5 1 0 25 5 1 1 20 5 input voltage sampling a/d converter unl e s s ot herw i s e s t at ed, t hes e s pec i f i c at i ons appl y f o r: v c c = +5v , -40c t a +85 c, p a d_out c u rrent 3m a . internal f unctional parameters m a i n cl o ck a / d resol u ti on a/ d p w m frequency pa d _ o u t ca d_i n sam p ling rate vs a m ple se ns it iv it y ful l s cal e response ti m e 19.66mhz 8 bit 76.77khz 9.6khz 58.6mv 24.89ms 12.28mhz 8 bit 47.97khz 6.0khz 58.6mv 39.83ms a / d be ha v i ora l p a ra m e t e rs sy m bol param e t e rs m i n m ax u n it s a/d input operation voltage normal a/d operation 0.332 4.98 vdc (vsample) a/d not used* 0 0.293 vdc * c ad _ i n = ? 0 ? an d th e a/d r e ac h e d its m i n i m u m o per atio n val u e ( m in im u m a/d d u ty c y cle ) . pwm unit o per a t in g ra n g e c l input = ?1? m a in c l ock fs out put pw m frequency pw m resol u ti on pw m duty cy cl e * m i n pw m duty cy cl e * m ax 12.28mhz 0 96khz 7 bit 0% 92.18% 19.66mhz 1 307.2khz 6 bit 0% 92.18% * dut y cyc l e = rat i o bet w een t he t i m e t he s i gnal ? s on durat i on t o t he on + of f durat i on. pwm unit op e rat ion at ove r load condit ion p w m turn of f del a y w hen cl p w m turn of f del a y w hen cl fs m a i n cl ock m i n m ax 0 12. 28m hz 1 m a i n cl oc k 81. 43ns 2 m ain clocks 162.86ns 1 19.66mhz 1 m a i n cl oc k 50. 86ns 2 m a i n c l o cks 101. 72ns
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller powerdsine ltd. tel: +972-3-934-7663 ? fax: +972-3-934-7669 ? email: sales@powerdsine.com powerdsine inc. tel: +516-756-4680 ? fax: +516-756-4691 ? email: pwrdsine@erols.com typical o perating circuit ref frequency selection output bridge vsample synchronous switch control overload current limiter opto coupler a/d zero crossing sync. buf u1 inhibit ohd sync f0 pad_out brc cad_ in cl pwm out f1 fs o2 r2 t1 + - + - v(+) 1 + r1 o1
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller PD5036 us patent no. 5,828,558 patent pending in europe and asia detailed description cl ock xt a l 1 , xt a l 2 : the os c illat o r generat es t he int e rnal p d 5036 c l oc k f requenc y. a crys t a l , ceram i c res onat or, or an ex t e rnal c l oc k s ourc e m a y be us ed t o generat e t he c l oc k ? s bas i c f r equenc y. w hen a crys t a l or a ceram i c res onat or i s us ed, i t s houl d be c onnec t ed bet w een x t a l1 and x t a l2 t erm i nal . for an ex t ernal c l oc k s ourc e, c onnec t t he s ourc e t o x t a l1, l eavi ng x t a l2 unc onnec t ed. w hen us i ng a ceram i c res onat or, us e t he produc t ? s s pec i f i c at i on c onnec t i on rec om m endat i ons . w hen us i ng a crys t a l or ceram i c res onat or, a 1m ohm 1% bi as res i s t or mu s t be c onnec t ed i n paral l el . c1 and c2 rec o m m ended val ues f o r t he di f f e rent f r equenc y s ourc e s are s pec i f i ed i n t he t abl e bel ow . oscillat or t y pe frequency c 1 c 2 crys t a l 12. 28m hz 22pf 22pf crys t a l 19. 66m hz 10pf 10pf ceram i c res onat or 12. 28m hz 10pf 56pf ceram i c res onat or 19. 66m hz 10pf 56pf w hen us i ng an ex t e rnal c l oc k s ourc e , c1 and c2 and t he res i s t or s houl d not be i ns t al l ed and x t a l2 s houl d be l ef t open. for t he os c illat o r f r equenc y, refe r t o t he outp ut ri ngi n g & p w m fre q ue nci e s tabl e. xtal1 xtal2 c1 c2 1m ? 1% 7 6 oscillat or t y pical c onf igurat ion t urn on re s e t of t h e p d 5036 for proper operat i on, t he p d 5036 c ont rol l er m us t be res et af t er pow er i s appl i ed. res et i s perf orm ed by s et t i ng t he i nhi bi t and t he fs t e rm i nal s t o a hi gh l ogi c l e vel f o r l onger t han 1 se c. the i nhi bi t and t he fs t e rm i nal s are c onnec t ed t o an i n t e rnal s c hm i t t i nput buf f er w i t h an i nt ernal 100k ohm pul l dow n res i s t or. to enabl e p ow er on res et (p or) and proper i nhi bi t operat i on, a s eri es resi s t or and pul l up c apac i t ors m us t be c onnec t ed t o t he i n hi b i t t erm i nal . the val ue of t he res i s t or and t he pul l up c apac i t ors det erm i ne t he res et durat i on, and del ay of t he i nhi bi t operat i on. 100k 100k 4.7k inhibit signal vcc vcc c3 c4 fs 2 1 inhibit 100k h z pw m out put por conf igurat ion the v a lue of c3 and c4 w ill be det erm i ned ac c o rding t o t he s upply v ol t age ri s e ti m e and t he i nhi bi t del ay operat i on. w hen us i ng a 100k hz p w m out put c onf i gurat i on t he val ue of c4 s houl d be 20 t i m e s s m al l e r t han c3. [ (f s ) < (i nhi bi t ) ] . 100k 100k 4.7k inhibit signal vcc vcc c3 fs 2 1 300khz pw m out put por c onf igurat ion i nhi bi t : the i nhi bi t i nput s erves t o t urn t he devi c e? s out put on/ o f f by us i ng di gi t a l c ont rol l e vel s . hi gh l ogi c l e vel (?1?) di s abl es t he devi c e? s out put . w hen t he 96k hz c onf igurat ion is ut iliz ed (fs = ?0?), t he i nhibit s hut dow n res pons e i s i nt ernal l y del ayed unt i l t he end of t he c urrent hal f s i ne c y c l e, t o t he neares t out put zero c r os s i ng. w hen t he 307k hz c onfigurat ion is ut iliz ed (fs = ?1?), t he i nhibit s hut dow n res pons e i s i m m edi at e. fs: thi s l i ne s e l e c t s bet w een 96k hz and 307k hz m a i n p w m f requenc y. f s = ?0? = 96k hz fs = ?1? = 307k hz the 96k hz p w m f r equenc y i s s u i t abl e f o r m edi um pow er s i ne w a ve generat ors , w i t h s y nc hronous s w i t c h i ng at t he s e c ondary. i n l ow c os t , l ow pow er, ri ng generat or appl i c at i ons , t he s y nc hronous s w i t c h i ng c i rc ui t r y m a y be el i m i nat ed. i n order t o m a i n t a i n reas onabl e ef f i c i enc y w h i l e not em pl oyi ng s y nc hronous s w i t c h i ng, t he 307k hz p w m f requenc y i s em pl oyed.
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller powerdsine ltd. tel: +972-3-934-7663 ? fax: +972-3-934-7669 ? email: sales@powerdsine.com powerdsine inc. tel: +516-756-4680 ? fax: +516-756-4691 ? email: pwrdsine@erols.com f r e q ue ncy s e l e ct i o n f0, f1: s e l e c t i on of a s i ngl e out put ri ngi ng f r equenc y bet w een t he f our avai l abl e opt i ons of 16. 7, 20, 25 or 50hz i s ac hi eved by t he f0 and f1 i nput s . t h e st at e of f0 and f1 input s m u st be set and st able prior t o pow eri ng the p d 5036. changi ng the i nput state w h i l e the p d 5036 is operat i ng m a y not ef f ect t h e out put f requency , and m a y cause the control l e r to becom e unstabl e state. the f r equenc y s e l e c t i on s houl d be m ade ac c o rdi ng t o t he outp ut ri ngi n g & p w m fre q ue nci e s t abl e on page 45. thes e i nput s are cm os s t andard and c an be dri v en di rect l y f r om cm os c o m ponent s , or t he f r equenc y s e l e c t i on c an be ac hi eved by t y i ng t hem t o gnd or v c c . not e : the p d 5036 operat i on m a y be af f e c t ed by e xce ssi ve n o i se s u rges on f0 and f1 t e rm i nal s w h i l e operat i ng. 100k 100k vcc vcc 4 3 f1 f0 frequency select ion input s lin e r e g u la t i o n ( a /d un it ) the ri ng generat or c i rc ui t des i gn i s bas ed on an open l oop f l ybac k t opol ogy. i n order t o regul at e t he out put f o r i nput vol t age c hanges , a f orw ard c om pens at i on m ec hani s m i s us ed. thi s m echanis m i s bas ed on a di gi t al s am pl i ng of t he i nput vol t age by t he a / d uni t , and c o rrec t i on of t he m a i n p w m dut y c y c l e ac c o rdi ng t o t he i nt ernal t r ans f er f unc t i on. the i nput vol t age i s s a m p l ed by an 8bi t a / d uni t , w h i c h i s c o m pos ed of ex t ernal anal og c om ponent s and t he i nt ernal p d 5036 l ogi c . the i nt ernal port i on of t he a / d generat es a p w m s i gnal (p a d _out ) w i t h a c hangi ng dut y c y c l e ac c o rdi ng t o t he vol t age s a m p l ed by t he ca d_i n te r m in a l . the s am pl ed i nput vol t age i nf orm at i on i nf l uenc es t he ri nger out put vol t age am pl i t ude i n s u c h a w a y t hat c hanges i n v i n generat es onl y a s m al l c hange i n v out . pa d _ o u t : p w m out put f or t he ex t ernal a / d c i rc ui t . the p w m f r equenc y is t he os c illat o r f r equenc y div i ded by 8. thi s l i ne i s c onnec t ed t o an ex t ernal low pas s net w ork t hat averages t he p w m pul s e s t o a dc vol t age. the le vel of t h i s dc vol t age i s proport i onal t o t he dut y c y c l e of t he p w m s i gnal . the low pas s net w ork i s c onnec t ed t o t he negat i v e i nput of an ex t ernal c om parat or. thi s dc vol t age t r a cks th e sa m p l e d v o l t age t hat i s c onnec t ed t o t he pos i t i v e i nput of t he c o m parat or. i f t he dc vol t age i s l o w e r t han t he s a m p l ed v o lt age, t he int e rnal a / d c i rc uit w ill inc r eas e t he p w m dut y c y c l e. this w ill inc r eas e t he dc lev e l. the opposit e happens w hen t he s a m p led vol t age i s l o w e r t han t he dc vol t age. ca d_i n : thi s i nput l i ne s houl d be c onnec t ed t o t he out put of t he a / d c i r c u i t?s e x te r n a l c o m p a r a t o r . c a d _ in = ? 1 ? w ill in c r e a s e th e pw m d u t y c y c l e a t th e pad _ ou t lin e . c a d _ in = ? 0 ? w ill d e c r e a s e th e pw m d u t y c y c l e at t he p a d _out l i ne. w hen t he s am pl ed vol t age i s s t abl e, t he a / d p w m dut y c y c l e w ill c hange up and dow n by 1 bit and t he c o m parat or out put w ill v i brat e. thes e 1-bit v i brat ions are ignored by t he a / d. a ppl i c at i ons t hat us e hi ghl y regul at ed pow er s uppl i e s m a y el i m i nat e t he a / d ex t e rnal port i ons . i n t h i s event , t he ca d_i n s houl d be perm anent l y c onnec t ed t o gnd. not e t hat no out put vol t age regul at i ons bas ed on input v o lt age c hanges w ill be perf o rm ed. lo w pa ss n e t w o r k the net w ork i s c onnec t ed bet w een t he p a d_out and t he negat i v e i nput of t he c o m parat or, bui l t f r om r3 & c1. the l ow pas s net w ork i s des i gned t o average t he p w m s i gnal i nt o a dc level . thi s dc l e vel i s c o m pared t o t he s a m p l ed vol t age. i t i s rec om m ended t o c al c ul at e t he low p as s net w ork c om ponent s val ues ac c o rdi ng t o t he f o l l o w i ng: (rec om m ended) = c1 ? r3 = 89. 1m s @ 96k hz operat i on (rec om m ended) = c1 ? r3 = 52m s @ 307k hz operat i on * for t i m i ng det ai l s ref e r t o a / d conv e r te r, i n te rna l f unct i ona l p a ra m e t e rs t a b l e . pad_out cmp_in internal a/d pd5019 vin 8bit data to transfer function + - 3 2 1 r1 r2 c1 r3 vsample a / d c i rcuit im plem ent a t i on ? ? ? ? the c om parat or i nput s f or t he a / d f unc tion mu s t operat e i n t he range of 0 t o 5v . ? ? ? ? the v s am pl e s am pl i ng i s s y nc hroni zed f or t he s i ne w ave peak . v o l t age di vi der: the vol t age di vi der c onnec t s t o t he pos i t i v e i nput of t he c o m parat or and i s bui l t of r1 & r2. the vol t age di vi der i s requi red w hen an i nput vol t age, v i n, hi gher t han 5v i s us ed. des i gn t he v s am pl e vol t age di vi der t o del i v er 2. 5v f o r t y pi c al v i n v al ue i s rec om m ended. out p ut p r ot e c t i on m e cha n i s m the overl oad and s hort c i rc ui t prot ec t i on m ec hani s m s s upport t hree prot ec t i on l e vel s : 1. i m m edi at e pul s e by pul s e , i nput c u rrent l i m i t i ng. 2. p o w e r reduc t i on, by out put am pl i t ude reduc t i on. 3. s hut dow n f or l i m i t ed peri ods , t o reduc e heat di s s i pat i on. the i nput of t he prot ec t i on uni t i s t he cl i nput , c onnec t ed t o ex t ernal c urrent s ens e c i rc ui t out put . c l - cu rrent lim i t i ng pulse c ount er: w hen t he cl i nput c hanges t o a low due t o ex c e s s i ve s w i t c h c u rrent , t he p w m out put i m m edi at el y c hanges t o low unt i l t he end of t he c u rrent p w m c y c l e. this w ill t e rm inat e t he c u rrent t h rough t he s w it c h ing fe t and t he cl input w ill ret u rn t o a high lev e l.
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller PD5036 us patent no. 5,828,558 patent pending in europe and asia out put a m plit ude r e duct i on m echanism duri ng overl oad c ondi t i ons , t he p d 5036 reduc es t he c i rc ui t out put vol t age, w h i l e m a i n t a i n i ng a c l ean s i ne w a ve, t o a l e vel t hat del i v ers t he al l ow ed m ax i m um out put pow er. the prot ec t i on uni t c ount s t he num ber of cl pul s e s w h i c h are rec e i v ed duri ng a s i ngl e hal f s i ne w a ve c y c l e and c om pares t he res ul t t o an i nt ernal t hres hol d. the num bers of cl pul s es t hat ex c eed t he t hres hol d i ndi c at e overl oad c ondi t i ons . reduc t i on of t he out put s i ne w ave am pl i t ude, i n one s t ep res ol ut i on, i s ac c om pl i s hed ac c ordi ng t o t he f ol l ow i ng equat i on. v out peak = step 16 al vpeaknomin duri ng norm a l operat i ng c ondi t i ons , t he s t ep num ber i s 16. i n overl oad c ondi t i ons , t he s t ep num ber c an reac h 31. the am pl i t ude c an be reduc ed t o about hal f of t he nom i nal am pl i t ude. in e a c h s t e p th e r e w ill b e le s s c u r r e n t lim it in d i c a tio n s . i f t he overl oad i s rem o ved and t here are no cl pul s e s at al l , t he am plit ude w ill begin t o ris e bac k , s t ep by s t ep. e a c h s t ep t a k e s one half of a s i ne w a ve c y c l e. the ohd out put t hat report s an overl oad s i t uat i on i s ac t i vat ed bas ed on t he s t ep num ber. reduc t i on of t he out put am plit ude, by m o re t han 16 t able s t eps , w ill be i ndi c a t ed by ohd c hange t o hi gh (?1?). w hen t he prot ec t i on uni t rai s es t he am pl i t ude bac k t o s t ep 16, t he am plit ude w ill rem a in at t h is s t ep at leas t a s i ngle s i ne period and t h is lin e w ill g o b a c k to l o w ( ? 0 ? ) . ? hi gh l e vel (ohd=?1?) m eans t he out put i s overl oaded. ? m i ni m u m puls e l engt h = 1 s i ne c y c l e. ? m ax i m um t i m e f or over load det ec t i on = ? s i ne c y c l e t i m e, (30m s at 16. 7hz ri ngi ng f r equenc y). ? over l oad requi red durat i on, f or det ec t i on = ? s i ne c y c l e t i m e. thi s l i ne c an be us ef ul f or overl oad probl em report s i n m edi um s i ze ri ngers , and c an be us ed f o r of f hook det ec t i on i n s m al l s i ze ri ngers w hen t here are f ew t el ephones c onnec t ed t o one l i ne. out put shut do w n i f t he out put l oad of t he ri ng generat or i s hi gh, and t he out put am pl i t ude has reac hed it s m i nim a l lev e l, an int e rnal c ount er w ill s t art t o c ount 300m s . i f t he ov erload has not been rem o v ed af t e r 300m s , t he prot ec t i on w ill s hut dow n t he p w m f or 4. 86 s ec . a f t e r t he s hut dow n period, t he p d 5036 w ill begin operat ing at m i nim u m am pl i t ude l e vel . i f t here are s t ill cl puls e s , t he int e rnal c ount er w ill s t art t o c ount 300m s agai n and s hut dow n f or 4. 86 s ec agai n. how e ver i f t he l oad i s rem o ved af t e r t he s hut dow n peri od, t he out put am plit ude w ill s t art t o inc r eas e, s t ep by s t ep. vcc vin vin ref pwm out cl r3 100 ohm q1 buk 582-100 a u1 a lm339 + - 3 2 1 8 4 r2 c18 1nf 50 v r1 1k ? t1 pd5019 t y pi cal current sense ci rcui t confi gurati on ? m ax i m um am pl i t ude reduc t i on/ i nc r em ent al respons e t i m e = ? s i ne c y c l e t i m e . ? ti m e f o r overl oad s hut dow n = (8 ? s i ne c y c l e t i m e)+300m s . m ax . ? s hut dow n peri od = 4. 86s ec . tim i ng ac c u rac y is deriv ed f r om t he m a in os c illat o r f r equenc y ac c u rac y . d e te r m i n i n g th e o u tp u t a m p l i tu d e the t opol ogy of t he ri ng generat or i s an open l oop f l ybac k . i n t his t opol ogy, t he out put am pl i t ude i s det erm i ned by t he p w m dut y c y c l e. the p d 5036 c hanges i t s p w m dut y c y c l e ac c ordi ng t o an i nt ernal s i ne w a ve ref e renc e t abl e and a k now n m a t hem at i c al t r ans f e r f unc t i on. to det erm i ne t he m ax i m um am pl i t ude of t he out put s i ne w ave, us e t he f ol l ow i ng equat i on: ) r2 r2 r1 ( n) (2.773 vout rms + ? ? = ? r1 and r2 are t he vol t age di vi der res i s t ors us ed i n t he v i n s a m p l i ng a/d . ? n i s t he w i ndi ng t urn rat i o of t he t r ans f o rm er. ? i t i s rec o m m ended t o c hange t he out put vol t age am pl i t ude by c hangi ng r1 or r2 w h i l e us i ng t he t y pi c a l rat ed n . a hi gh-res ol ut i on pot ent i o m e t e r c an be us ed t o obt ai n t he proper res i s t or val ues duri ng t he c i rc ui t des i gn. choos i n g n : 1. define the input voltage range. 2. calculate the average input voltage according to the following equation. vin mid = 2 max vin min vin + 3. choos e t he param et er nvin ac c ordi ng t o t he f ol l ow i ng t abl e. p a ram e t e r m i n. rec o m m ended m a x . nvin 42 48 54 4. cal c ulate n (windi ng t u rns rat i o) ac c o rdi ng t o t he f o l l o w i ng equat i on. n = mid vin table) the from (choosed nvin a d jus t i n g outp ut a m p l i t ude w i t h out a / d w hen t he i nput vol t age s a m p l i ng t he a / d i s not us ed (ca d _i n = ?0?), t he m a x i m u m out put am pl i t ude i s det erm i ned ac c ordi ng t o t he i nput vol t age and t u rns rat i o. v out rm s = 1. 4731 ? n ? vin not e : w hen t he i nput vol t age s a m p l i ng a / d i s not us ed, t he ca d_i n t erm i nal m us t be grounded. pw m _ o u t : thi s i s t he p w m out put s i gnal . thi s out put i s c apabl e of di rec t l y dri v i ng a fe t.
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller powerdsine ltd. tel: +972-3-934-7663 ? fax: +972-3-934-7669 ? email: sales@powerdsine.com powerdsine inc. tel: +516-756-4680 ? fax: +516-756-4691 ? email: pwrdsine@erols.com s y nchroni z a t i o n s i gna l s brc: the b r c out put c ont rol s t he ri ng generat or? s out put pow er bri dge. the bri dge c onvert s t he hal f s i ne rec t i f i ed w ave t o a f ul l s i ne w a ve at t he out put . the brc s i gnal i s a l ogi c l e vel s quare w a ve at t he s a m e f r equenc y of t he out put s i ne w a ve. sy n c : the s y nc out put i s us ed t o s y nc hroni ze out put ri ngi ng rel a ys s w i t c hi ng w i t h t he ri ng generat or? s out put vol t age zero c r os s i ng. the s y nc out put produc es a hi gh l ogi c l e vel pul s e t o i ndi c a t e zero c r os s i ng. the s y nc pul s e ri s es a s hort t i m e pri or t o t he out put s i gnal ? s zero c r os s i ng i n order t o al l o w f o r t he rel a y res pons e t i m e . e x ac t s i gnal t i m i ng are i ndi c at ed i n t he e le c tri c a l cha ra cte r i s ti cs s y n c outp ut param et ers . v bat = -48v to slic audio line relay tip ring pd5019 based ring generator control sync o1 o2 zero crossing relay cont rol ut iliz ing t he sy n c out put load regulation load regulation refe rs t o t he degree of out put vol t age devi a t i ons as a f unc t i on of out put rm s c u rrent v a riat ions . the load regulat ion c apabilit y of a ring generat or built around t he p d 5036 w ill be ef f e c t ed by a num ber of des i gn and c om ponent s el ec t i on c r i t eri a: ? the qual i t y of t he t r ans f o rm ers ? pri m ary t o s e c ondary c oupl i ng and w i nding leak age. good c oupling and low leak age w ill im prov e load regul at i on. ? i m pedanc e of t he t r ans f orm er w i ndi ng and c ore l os s es . low im pedanc e and low c o re los s e s w ill im prov e load regulat ion. ? i nput c apac it or e s r. low e s r w ill reduc e input v o lt age ripple, w h ic h w ill im prov e t he input v o lt age a / d s a m p ling ac c u rac y . s i nc e t he i nput vol t age a / d s ens i ng di rec t l y ef f e c t s t he devi c e? s out put v o lt age, high s a m p ling ac c u rac y w ill im prov e load regulat ion. ? fe t dropout vol t age. low m a i n s w i t c h i ng and s y nc hronous s w it c h ing fe ts dropout v o lt age w ill im prov e load regulat ion. ? out put bridge t r ans is t o r?s dropout v o lt age. low dropout v o lt age w ill i m prove l oad regul at i on. i n proper des i gn, l oad regul at i on of 6% f o r l oads varyi ng f r om 10% t o 100% , and 10% regul at i on f o r l oads varyi ng f r om no l oad t o 100% of t he c i rc ui t ? s rat ed l oad, c an be ac hi eved. rat ed l oad i s def i ned as t he equi val ent l oadi ng t hat does not c aus e t he p d 5036 t o dec reas e t he ri ng generat or? s out put vol t age, or t r i gger t he overl oad/ s hort c i rc ui t prot ec t i on.
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller PD5036 us patent no. 5,828,558 pat e nt pending in europe and a s ia output ringing signal vcc vcc r6 1m c5 10pf inhibit xt1 f1 f0 c6 0.01uf 5v c8 4.7nf c7 4.7nf c4 10pf c2 0.22uf/200v d2 bas21 u2b mocd217 3 4 5 6 u2a 1 2 7 8 q1 mmbta 92 q5 buk 582-100a d1 us1g t1 d4 us1g c3 0.22uf/200v c1 . + v(+) 14.5k 1w r2 1k r4 v(-) u1 pd5019 vcc 16 inhibit 1 ohd 5 xtal2 6 f0 4 gnd 8 xtal1 7 pad_out 11 brc 10 cad_ in 12 cl 13 sync 9 wdo 14 pwm out 15 f1 3 fs 2 1k r5 q2 mmbta 92 q4 mmbta42 q3 mmbta42 d3 bas21 o2 o1 200k 1/4w r3 100r r21 typical application ? 2 ren sine wave ring g enerator
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller powerdsine ltd. tel: +972-3-934-7663 ? fax: +972-3-934-7669 ? email: sales@powerdsine.com p o w e rdsi ne i n c. tel : +516-756-4680 ? fax : +516-756-4691 ? e m ai l : pw rds i ne@erol s . c o m v(+) vcc vcc vcc vcc vaux vcc vaux vaux v(+) v(+) vcc=5v brc brc ringing signal output r22 10k c5 0,22uf/200v r14 1k c9 0,1uf/50v d5 us1g r1 1k u1a 1 2 7 8 r20 30.1k r15 1k r34 1m c16 10pf/50v c13 0.1uf/10v r13 10 r r35 51.1r c19 0.1uf/25v r40 5.11k r17 5.11k r42 51.1r c17 10pf/50v c22 4.7nf/ 50v c23 4.7nf/50v 1k r21 c25 2.2uf/16v r38 1k u4a lm2903d + - 3 2 1 8 4 inhibit u1b mocd217 3 4 5 6 d11 bat54a u5 a b y . . q14 mmbt2222a q15 mmbt2907a v(+) c2 47uf/25v + xt1 12.28mhz r39 5.11k f1 f0 ohd sync v(-) d14 bas21 d10 bas21 d9 vz=15v q5 irfr310 q11 mmbt5551 q7 mmbt5551 q1 mmbt5551 q2 mmbt5551 q8 mmbt5551 q12 mmbt5551 d2 bas21 d3 bas21 d6 bas21 d7 q3 mmbt5551 d12 bav 70 d13 bav 70 q10 mmbta 92 q9 mmbta 92 q4 mmbt5551 r5 30.1k o1 o2 r16 0.1r c18 1nf/50v q6 buk 582-100a l2 sb3040 t1 d4 us1g c10 39nf/25v r18 2,49k u4b lm2903d + - 5 6 7 8 4 r3 18.2k c7 10nf/50v r6 2.7k r9 329r r7 10k c6 0,33uf/10v c15 0.1uf/10v u3 pd5019 vcc 16 inhibit 1 ohd 5 xtal2 6 f0 4 gnd 8 xtal1 7 pad_out 11 brc 10 cad_ in 12 cl 13 sync 9 wdo 14 pwm out 15 f1 3 fs 2 vcc r8 10k typical application - 3 to 6ren sine wave ring g enerator
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller PD5036 us patent no. 5,828,558 patent pending in europe and asia m e chanical details top view dim max min min max millimeters inches 10.20 7.40 2.40 0.35 0.40 1.27 bsc .050 bsc 0.23 0.10 0 8 8 0 10.35 7.60 2.65 0.51 0.90 0.32 0.30 10.10 10.60 .402 .408 .292 .298 .094 .104 .0138 .020 .0091 .016 .035 .0125 .0118 .0040 .398 .416 0.25 0.75 .010 .029 a b c d g f j k m p r d 91 6 bp a 1 8 c g base plane seating plane k m f rx 45 j notes: 1. di m ens i ons and t o l e ranc e per a n s i y 14. 5m 1982 2 . c o n t r o llin g d i m e n s io n s : m illim e t e r . 3. di m ens i ons ?a ? and ?b ? do not i n c l ude m o l d prot rus i on. 4. m a x i m u m m o l d prot rus i on 0. 15m m (0. 006?) per s i de. 5. di m ens i on ?d? does not i n c l ude dam bar prot rus i on. a l l o w abl e dam bar prot rus i on s hal l be 0. 13m m (0. 005?) t o t a l i n ex c e s s of ? d? di m ens i on at m ax i m um m et r i c al c ondi t i on. 6. p ac k age t y pe: s o w - 16 p o w e rds i ne applic at ion engineers w ill prov ide t e c hnic a l as s i s t anc e int egrat ing t he p d 5036 f o r c u s t om ers us ing m o re t han 10, 000 uni t s . for quant i t i es l ow er t han 10, 000 uni t s , us e of a m odul ar s i ne w av e ri ng generat or i s rec om m ended (p cr-s i n 01a s e ri es , p cr-s i n03b s e ri es , or t he pc r - sin 0 6 se r i e s ) . to rec ei v e p ow erds i ne p d 5036 appl i c at i ons not es or t o obt ai n t ec hni c al as s i s t anc e, pl eas e c ont ac t y our l oc al repres ent at i v e or p o w e rds i ne? s m a i n of f i c e s , det ai l i ng y our appl i c at i on requi rem ent s . the i n f o r m at i on c ont ai ned her ei n by power d s i ne i s bel i e v ed t o be ac c u r a t e and r e l i abl e at t he t i me of pr i n t . howev e r , power d s i n e c an not as s u me r e s pons ibilit y f o r inadv er t ent er r o r s , i nac c u r a c i es , omi s s i ons , or s ubs equent c hanges . i n t he i n t e r e s t s of c ont i nuous pr oduc t i m pr ov ement , and our c o mmi t m ent t o impr ov ing qualit y and r e liabilit y , power d s i ne lt d. r es er v es t he r i ght t o mak e c hanges t o pr oduc t s , and t hei r s pec i f i c at i ons des c r i bed i n t hi s dat a s heet at any t i me wi t hout pr i or not i c e. p d 5036 le t t e r - re v 05 11. 98. do c
PD5036 t e lepho n e ri ng g e nera t o r co nt ro ller distributor PD5036- rev02 0500 international h eadquarters p o w e rd si ne ltd. ? p . o. b o x 4670 p e t ah ti k v a, i s rael 49277 ? tel : 972-3-9347663 ? fax : 972-3-9347669 ? e - m ai l : s al es @ pow erds i ne. c om north america po we r d s i n e , in c . ? p . o. b o x 950 p l ai nvi e w , ny 11803 ? tel: 516-756-4680 ? fax : 516-756-4691 ? e - m a i l : pw rdsi ne@erol s . c o m i n t e r net : www.power dsine.com

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