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augus t 200 8 automotive grade AUIR33401S * qualification st andards can be f ound on ir?s w e b site ww .irf.com ? 2007 intern a t iona l rectifier 1 protected hi gh side switch for aut omotive dc motor drive features ? up to 20khz p w m s w itchi ng capa bil i t y ? char ge pum p for dc op eratio n ? active dv/dt control ? loa d curre nt feedb ack ? short-circuit pr otection ? programm abl e over current s hutdo w n ? over temperat ure shutd o w n ? und e r voltag e shutdo w n ? gnd, in and bo otstr ap pin l o ss protection ? e.s.d protectio n ? lo w p o w e r mo de ? lea dfree, ro h s compli ant ? automotive qualified* description th e au ir 33 40 1 s is a 7 termi nal s high side s w i t c h fo r vari abl e spee d dc mot o r . it fe atu r es sim p lif y t he desi gn of t he dc m o to r dr ive w i t h a m i cro c on tr o l ler . th e mo sf et sw it che s t he po we r lo ad pr op or tio nall y t o t he i npu t sig nal dut y c y cle at th e same f r e q u enc y and p r ovides a c u r r e n t fe ed back on th e i f bk p i n . t h e o v er - c urr e n t sh ut dow n is pr og ra mm ab le fro m 1 0 a to 33a . ove r -cu r re nt, ov er -t em pe ra tu re l a tc h of f th e p o w e r s w itch , p r ovidin g a digi tal dia g n o sti c stat us o n t he i n put pin . i n sleep m o d e , th e device co nsu m es less th an 10 ua. fu rt he r in te g r at e d p r o t ecti ons s u c h as es d, gn d and c boo t discon nec t p r o t ectio n gu a r a n te e saf e op er ati o n in ha rs h condi tio n s of th e aut om otiv e e n vi r onm en t. produ ct summar y rds(on)@25c 3.5m ? max . max current 33 a operating voltage 6 ? 18v application ? f an eng in e co olin g ? ai r co n d i t i o ni ng b l o w er ? pumps (oil, fuel, w a t e r?) ? compress or packag e d2pak - 7 leads
AUIR33401S qualif ication inform ation ? automotive (per aec -q100 ?? ) quali f ica t ion le v e l comments: this family of ics has passed an a u tomotive qualification. ir?s industrial and c onsumer qu alification le vel is granted b y e x tens ion of the higher automotive level. m o i s tu r e s e n s itiv ity l e v e l 7l-ddpak msl1, 260 c (per ipc/jede c j-std-02 0) machine model class m3 (per aec -q-100 - 003) human bod y mo del class h2 ( per aec -q-100 - 002 ) esd charged device model class c5 (per aec -q-100 - 011) rohs c o m p lian t ye s ? qualification standards can be found at inte rnat ional rectifier?s w e b site http:// www.irf.com/ ?? exceptions to aec-q1 00 req u irements are note d in the qualification report. ww.irf.com ? 2007 intern a t iona l rectifier 2
AUIR33401S design: basic schematic w i th micro-processor the basic circuit is giving all the functi onality t o d r ive a moto r up to 33a dc. r ifbk set both th e level current shutdo w n an d the current feed back reading scale. the in sign al provides the pw m dut y c y cle to the aui r 33 401s. d1 is the free w h eeling diode during pwm o p e r ation. as th e eq uivalent circuit between vb at an d ? mot is 2 dio de in series (t he bod y diode of the aui r 33401s and d1 ), the s y stem req u ires t1, d2, r1 and r2 to sustai n the reverse b a t t er y . recommended conn ection w i th reverse batter y protection 1 : c1 100nf c2 1nf d1 mbr 3045ct ifbk cboo t in vcc gn d +bat a u i r 334 01s in gn d c3 c4 r2 10k d2 12v - mot gnd + mot vbat cboot 100nf t1 irf140 ou tpu t curre nt shutdo wn program ming res i stor diag ifbk micro-pr ocess o r i/o i/o a /d gnd r if bk r in r pif b k r pdi ag figure 1: rec o mmended s c hematic this is the reco mmended sche m atic w i th a n op tional reverse ba tter y 1 . t he r e commended load is an inductive load. thi s part ma y n o t be suitable for ap p lication condition s other th an tho s e specified above. pleas e contact ir?s automo tive technical support for furt her det ails on other applications requireme nt. dc to 20 khz operation the auir 33401 s is able to operate in dc and high speed s w itching operation. to be able to sw itch at 20 kh z, a bootstrap capacitor is used exte rn ally . t he device integrates the po w e r suppl y of the bootstrap capaci t or. in d c ope ration, w h en the capacit or is discharged, the charge pum p maintains the device on. 1 the rev e rse ba tter y is opti onal . remo v e t1, d2, r2 and conne ct ?mo t to gn d to remov e the fea t ure s . ww.irf.com ? 2007 intern a t iona l rectifier 3
AUIR33401S active dv/dt control to reduce emi ty pical connection the auir3 3401 s includes a sp ecial gate drive, managing the m o sfet dv/dt controlled internally , b y managing t h e gate voltage d y na mically . to have th e best compr o mise bet w een the emi levels and po w e r loss, during the turn on a nd off phase, the dv/dt output is dv/dt is not linear. the o u tput voltage sha pe is an ?s? shap e. sense load current feedback and pr ogrammable current shutdow n the ifbk pin allow s an analog m easurement of th e load current a nd w i th an e x te r nal resistor allows to program the over current shutdo wn level from 10a t o 33a. th e voltage threshold leve l of the ifbk pin is internall y set to 4v (see the form ulas below). it is also possible to d y n a mically adjust t he curr ent shutd o wn p r otection v e rsus time b y a dding some e x te rnal components. thi s protection is lat c hed. the ope rat i ng m ode is recovered after resett ing b y the sleep mode. min ratio offset appli imax min gnd vifbk rifbk + ? = offset max ratio calculated rifbk max gnd vifbk max ishtd + ? = where: imax appli is the maximum application current ishtd max is the maximum outpu t shutdo w n curr ent internal ov er current shutdow n the maximum current shutdo wn threshold value is internally fixed to 50a ty p. t h is protection is latched. the opera t ing mode is recovere d after r e setting b y the sleep mod e . under voltage lock-out the auir3340 1 s remains operational from uv lo threshold. under this continuous voltage, the devi c e w ill be lo cked until the voltage reco vers the operati ng range, accor d ing to an inte r nal h y steresis fixed to 0, 5v min . the ma ximum rating voltage is given b y the trench v d mos technolog y w h e r e the aval anche voltage is up to 43v t y pically. sleep mode and reset fault: the sleep mode is enabled if the in pin stay lo w ( v in < v in p o w er ) more than tslp time. the consumption in sleep mode is icc off. the aui r 33401s wakes up at first rise edge on the in pin (vin > v in p o w er ). this mode allow s r e setting all the latched faults. (cf. figure 2: wake s equence, sleep mode and r e set latched fault.) wake up sequence: the aui r 33401 s has a po wer o n reset. afte r wa ke up it b y the in signal, the devices wait for t pw r _ on_ r s t b e fore activate the output po w e r mo sfet. this time is necessary to cha r ge pro per l y th e bootstrap capacitor and to stabilize the internal po w e r supply . (cf. figur e 2: wake seque nce, sleep mode and reset latched fault.) ww.irf.com ? 2007 intern a t iona l rectifier 4
AUIR33401S in pin and digital dia gnostic the in has t w o f unctions. in nor mal w o rking con d ition, the outp u t follow s t he in pi n digital level. in latched fault con d ition (over curr ent and over temper atur e shutdo w n ), t he in pin pr ovides a digital frequenc y signal feedback to the -pr ocessor. vpwm input pin diag 5v t pw r on_ r s t fault t slp 5v v dia g l vout vcc diag f 1 2 1 reset fault figure 2: w a ke seque nce, s l eep mode an d reset latche d fault. ww.irf.com ? 2007 intern a t iona l rectifier 5
AUIR33401S absolute maximum ratings absol u t e ma xim u m ra tin g s indica t e sustai ne d limits be yo nd which d a ma ge t o th e de vice ma y occu r . all volta ge p a r a m e te r s ar e re fe re nce d to vcc le ad. (t am bi ent =25 c unl ess oth e r w i s e sp ecifi e d ) . s y m b o l p a r a mete r m i n . m a x . u n i t s v o u t m a x i m u m outpu t v o l t a g e gnd- 5 v v c c + 0 . 3 v vin maximum input v o ltage -0.3 5.5 v vcc max. maximum vcc voltage ? 3 6 v vcc cont maximum contin uous vcc voltage ? 2 8 v iin, max. maximum input c u rrent -0.3 10 ma pd maximum po wer dissipation rth=60c/w ? 2 w esd1 electrostatic discharge voltage ( h uman bod y) c=100pf, r=150 0 ? ? 4 e s d 2 charge de vice m odel (cdm) ? 1 kv tj max. max. stora ge & o perating tempe r a t ure junction tem peratur e -40 150 c tsoldering soldering temper ature (1 0 second s) ? 3 0 0 c thermal characteristics s y m b o l p a r a mete r ty p . m a x . u n i t s rth1 thermal r e sistance junction to ambient 60 ? rth2 thermal r e sistance junction to case 0.65 ? c/w recommended operating conditions t h e s e va lu e s ar e g i ven f o r a qu ick d e s ign . for op erat io n ou tsid e th ese con d iti ons, pl eas e co nsul t t h e a ppl icatio n not es. s y m b o l p a r a mete r m i n . m a x . u n i t s vcc max. power suppl y vol t age 6 18 v iout dc output cu rren t tj=145c, tam b =85c, rth=5 c/w ? 3 3 a c boot bootstrap capacitor 100 220 nf r in recommended r e sistor in series w i th in pin 1 10 k ? r pdia g recommended r e sistor in series w i th in pin to rea d the diagnostic 1 0 5 0 k ? r ifbk recommended r e sistor to progra m over current shutdo w n 0.6 5 k ? r pifbk recommended r e sistor in series w i th r ifbk pin to r ead the current feed back 1 0 2 5 k ? f max. maximum input fr equenc y ? 2 0 k h z ww.irf.com ? 2007 intern a t iona l rectifier 6
AUIR33401S static electrical characteristics t j =25 c, vcc= 14v (unl ess otherw i se specifi e d) sy m b o l p a rame t e r m i n . ty p . ma x . units te s t conditi o n s on state resistance tj=25c ? 3 3 . 5 i o u t = 3 0 a on state resistance tj=25c ? 3 3 . 5 iout=17a v c c = 6 v rds(on) on state resistance tj=150c 2 ? 5.5 ? m ? iout=30a vf for w a r d voltage of the bod y diode 0.55 ? 1 . 1 v icc off suppl y curre nt in pow e r mode ? 1 1 0 a v i n = 0 v icc on gnd cur r ent w h e n the device is on ? 3 5 ma i_cboot = 0a ou t = 0v mos lkg on output leakage w h en the m o sf et is off and the device is w o ken up ? 8 . 5 1 5 m a v br k breakdo w n volta ge bet w een vcc and vout 3 9 4 3 ? v v in pow er input threshold v o ltage to enter in power mod e 0 . 6 0 . 8 ? v v il in lo w th reshold voltage 2 2.5 ? v v ih in high threshol d voltage ? 2 . 8 3 v v in h y st input h y ste r esis 0.25 ? 0 . 8 v iin, on on state input cu rrent 10 20 30 a vin = 5v iboot bootstrap curre nt charge 0.5 ? 1 . 3 a vout = 0v cboot =500n f vboot bootstrap voltag e ? 5.4 ? v v dia g l lo w level diagnostic output voltage ? ? 0 . 4 v vin = 5v rin = 1k ? s w itching electrical characteristics vcc=14 v, in duc ti ve lo ad= 1 ? re sist or , t j =2 5 c ( u n l ess o t h e rw ise sp ecif ie d) sy m b o l p a rame t e r m i n . ty p . ma x . units condit i ons td on turn -on dela y time 0.5 1.35 1.8 s t r r i s e t i m e ? 1 ? s dv/dt(on) turn on dv/dt 8 20 30 v/s td off turn -off dela y time 1.5 2.5 3.8 s t f f a l l ti m e ? 1 ? s d v / d t ( o f f ) t u r n off d v / d t 8 2 0 3 0 v / s 2 gua r antee d b y design ww.irf.com ? 2007 intern a t iona l rectifier 7
AUIR33401S protection characteristics vcc=14 v, tj= 2 5 c (u nless ot he r w i s e sp ecifi e d ) . sy m b o l p a rame t e r m i n . ty p . ma x . units condit i ons vifbk - gnd over cur r ent th re shold voltage 3.8 4 4.15 v isd maximum over c u rrent shutd o w n 40 50 80 a isd 1k curre nt shutdo wn rifbk = 1k 18 25 33 a tsd over temp eratu r e threshold 155 165 175 c uv ho under voltage tu r n on ? 5 5 . 7 v uv lo under voltage tu r n off ? 4 . 2 4 . 8 v uv h y st under voltage h ysteresis 0.5 0.8 1.5 v tslp sleep mode time and fault reset 20 30 50 ms t pw r _ on_ r s t power on res e t ti me 7 8 . 5 1 5 s fdiag diagnostic frequency ? 250 ? h z current sense characteristics tj=2 5 c ( unl ess oth e r w i s e sp ecifi e d ) , rif b = 1 k ? sy m b o l p a rame t e r m i n . ty p . ma x . units condit i ons offset load curre nt dia gnostic offset -3 0.18 3 a ratio i load / (ifb ? offs et ) 5250 6400 7450 ? leads assignment pa r t n u m b e r a u i r 334 01s 1 : i fbk 2 : in 3 : gnd 4 : vcc (ta b ) 5 : c boot 6 : out 7 : out d2pak 7 leads ww.irf.com ? 2007 intern a t iona l rectifier 8
AUIR33401S ww.irf.com ? 2007 intern a t iona l rectifier 9 vpulse vboot dt dv cboot iboot = 4v 1v dt dv vboot figure 3 : i b oot tes t circuit vout t d on d v on dv o f f td o f f tf dt off tr d t on vin 90% 60% 10% figure 4 : swi t ching time te st circuit
AUIR33401S functional block diagram all values ar e ty pi cal out ifbk isd fixed t j > 165c + - 6v gnd in v cc level shifte r driver & dv/dt control charge pum p r s q 75v cboot internal po w e r supply v ss o n /o f f boot strap regulator uvlo 6v diagnostic + - vdd + - 4v logic input treset 43v internal diode schematic all values ar e ty pi cal ww.irf.com ? 2007 intern a t iona l rectifier 10
AUIR33401S ww.irf.com ? 2007 intern a t iona l rectifier 11 0 1 2 3 4 5 - 5 0 - 25 0 2 5 5 0 7 5 1 0 0 125 1 5 0 v i f b - gnd 0 1 2 3 4 - 5 0 - 25 0 2 5 5 0 7 5 1 0 0 125 1 5 0 vi l vi h hi h y s t v i n up 0 1 2 3 4 5 6 - 5 0 - 25 0 2 5 5 0 7 5 1 0 0 12 5 150 uv l o uv hi uv hy s t 0% 20 % 40 % 60 % 80 % 10 0 % 12 0 % 14 0 % 16 0 % 18 0 % - 5 0 - 25 0 2 5 5 0 7 5 1 0 0 12 5 150 tj, junction temperature in c normalized rdso n in % fi gure 8: n o r m al i z ed rds o n vs t j temper ature in c input voltage in v voltage level in v temper ature in c figure 5: input par a me ters vs. te mper ature figure 6: vi fb-gnd vs. tem p erature battery voltage in v temper ature in c figure 7: under voltage p ar ameters vs. temper ature
AUIR33401S ww.irf.com ? 2007 intern a t iona l rectifier 12 0 2 4 6 8 10 12 - 5 0 - 2 5 0 2 55 07 5 1 0 0 1 2 5 1 5 0 tpw r _ on_ r s t 0 5 10 15 20 25 30 35 40 - 5 0 - 2 5 0 2 55 07 5 1 0 0 1 2 5 1 5 0 ts l p time in ms ti me i n s temper ature in c temper ature in c figure 9: tpw r _on_r s t vs . te mperature figure 10: tsl p vs . temper ature 0 0, 2 0, 4 0, 6 0, 8 1 1, 2 1, 4 1, 6 - 5 0 - 25 0 2 5 5 0 7 5 1 00 125 1 5 0 tr tf 0 10 20 30 40 50 60 70 - 5 0 - 25 0 2 5 5 0 7 5 100 125 150 is d 1 k is d f curre nt i n a ti me i n s temper ature in c temper ature in c figure 11: current s hutdow n vs . temper ature figure 12: ris e and fall time vs. te mper ature
AUIR33401S ww.irf.com ? 2007 intern a t iona l rectifier 13 0 5 10 15 20 25 - 5 0 - 2 5 0 2 55 07 5 1 0 0 1 2 5 1 5 0 dv dt o n dv dt o f f 0 1 2 3 4 5 6 - 5 0 - 2 5 0 2 5 5 0 7 5 100 12 5 150 tdo n tdo f f dv/dt in v/s ti me i n s temper ature in c temper ature in c figure 13: t d on & off vs. te mperature figure 1 4 : d v /dt on & o f f vs . tem p era ture 0 1 2 3 4 5 6 - 5 0 - 25 0 2 5 5 0 7 5 1 0 0 125 15 0 v c bo ot 0, 0 0, 1 0, 2 0, 3 0, 4 0, 5 0, 6 0, 7 0, 8 0, 9 1, 0 - 5 0 - 25 0 2 5 5 0 7 5 1 0 0 125 15 0 ib o o t ti me i n s ti me i n s temper ature in c temper ature in c fi gure 1 5 : b o ots t r a p vol ta g e vs . te mper at ure figure 16: current bootst r a p vs . temper ature
AUIR33401S figure 17: tr ansient therm al impedance vs. time ww.irf.com ? 2007 intern a t iona l rectifier 14
AUIR33401S case outline 7l d2pak ww.irf.com ? 2007 intern a t iona l rectifier 15
AUIR33401S AUIR33401S ww.irf.com ? 2007 intern a t iona l rectifier 16 ww.irf.com ? 2007 intern a t iona l rectifier 16
AUIR33401S the information provided in this document is belie ved to be accurat e and reliable. h o wever, inte rnati onal rectifier assumes no responsibility for the consequences of the use of this information. inte rn ational rectifier assumes no responsibility for an y infringem ent of patents or of o t her rights of third parties w h ich ma y re sult from t he use of this information. no l i cense is granted b y implication or ot her w i se unde r an y pat ent or p a t ent rights of inter national rectifier. the sp ecifications mentioned in this docum ent are subject to change w i t hou t notice. this document supersedes and replaces all inform ation previously supplied. for technical support, please cont act ir?s technical assistance center http:// www .irf .com/technical-info/ worl d he a d q u a r te rs: 233 kansas st., el segundo, california 90245 tel: (310 ) 252- 71 05 ww.irf.com ? 2007 intern a t iona l rectifier 17
AUIR33401S revision history r e v i s i o n d a t e notes/changes a 2 5 / 0 7 / 0 8 f i r s t r e l e a s e ww.irf.com ? 2007 intern a t iona l rectifier 18

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