unisonic technologies co., ltd UU642 preliminary linear integrate d circuit www.unisonic.com.tw 1 of 5 copyright ? 2013 unisonic technologies co., ltd qw-r121-022.a interval and wipe/wash wiper control ic ? descripti on t he bipolar in tegrated circ uit ut c UU642 is desig ne d a s a w i per for auto m otive ap plic a t ion. it includ es w i p e , w a s h an d internal mode. t he u t c uu6 42 is a c o st-effective solution for an accur a te timing functi on control. w i pe/ w a sh mo de ha s priorit y ov er i n terva l mode. interva l paus e an d af ter- w i pi ng time can b e set to fixe d values b y us in g resistors in a broad time ra nge. add ed val ue can be prov ide d w i t h an i ndiv i dual, co ntinu o u s adj ustment of the interval p aus e b y a p o tenti o meter w h ich ma y b e bu ilt i n to the stalk. f o r proper operati on, it is mandator y to feed the sig nal of the w i p e r moto r?s park s w itch into ut c uu64 2 . ? features * after-w i ping time: 2s~20s * interval pa us e: 4s~ 20s * w i pe/ w a s h mode pr iorit y * w i per motor? s park s w itc h * rela y driver w it h z - diod e * one e x terna l capacit or deter mines al l time sequ ences * interference protectio n acco rding to vde 0 839 or iso/t r 637/1 * loa d-dum p p r otected ? or de r i ng i n form at i o n ordering n u m ber package packing lea d f r ee halo ge n free uu64 2l-d 08-t uu64 2 g-d08- t dip-8 tube uu64 2l-s 08-t uu64 2 g-s08- t sop-8 tube uu64 2l-s 08- r uu64 2 g-s08- r sop-8 t ape reel http://
UU642 preliminary linear integrate d circuit unisonic technologi es co., ltd 2 of 5 w w w . uniso nic.co m.t w q w - r 1 2 1 - 0 2 2 . a ? pin configuration 1 2 3 4 8 7 6 5 gnd rt ct int was h pa rk out vs ? p in de sc ri pt io n pin no. pin name descript ion 1 gnd ground 2 int interval switch 3 ct t iming capacitor c 2 4 rt after-w i ping time resistance 5 w ash w ipe/wash switch 6 park park s witch for wiper motor 7 out rela y control output 8 vs supp ly voltage terminal 15 ? block di agra m v s 8 7 out 6 park 5 wash v ref v ref lo gi c lo ad -d ump compa r ator park switch compa r ator input compa r ator v re f v ref w i pe /w ash comp arato r in te rval ab c d e f gnd 1 int 2 c t 3 r t 4 co mpara t or
UU642 preliminary linear integrate d circuit unisonic technologi es co., ltd 3 of 5 w w w . uniso nic.co m.t w q w - r 1 2 1 - 0 2 2 . a ? absolute maxi mu m ra ting paramet er symbol rat i ngs unit supp l y v o ltag e t= 60s, t e rminal 15 v bat t 28 v supp l y curre nt t=2ms i 8 1.5 a t= 200ms 150 ma rela y c ontrol output current (dc) i 7 200 ma rela y c ontrol output current (dc) t= 200ms 1 .2 a pulse current (control inputs) t=200ms park sw itch, s 1 i 6 50 ma wipe/wash s w itch, s 3 i 5 50 ma interval s w itch, s 2 i 2 50 ma po w e r diss i pat ion t am b = 90c p d 500 mw ambient t e mperature r ang e t a -4 0 ~+8 5 c storage t e mperature r ang e t st g -55~ + 125 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? th er mal re si st an ce paramet er symbol rat i ngs unit junctio n to ambient dip-8 ja 120 k/w sop-8 160 k/w
UU642 preliminary linear integrate d circuit unisonic technologi es co., ltd 4 of 5 w w w . uniso nic.co m.t w q w - r 1 2 1 - 0 2 2 . a ? electric al ch ara cteri s tic s (v batt = 12v, t a =25c, refere nc e poi nt is pin 8, unless oth e r w i s e specifi ed.) paramet er symbol t es t conditions min t yp max unit supp ly voltage v bat t 9 16.5 v supp l y curre nt i 8 9 ma z - diode l i mitat i on v 1 6 v overvoltage t h reshold curr ent i 1 -94 ma t hreshold voltage v bat t 37 v relay control output saturation volt age v 7 i 7 = 100ma -1.0 v i 7 = 200ma -1.5 v leak age c u rre nt i 7 100 a park switch internal pull-up resistance r 6 r 6 =10k ? 41 k ? s w itc h in g t h reshold v o ltag e v 6 -3.1 v protection d i o d e v 6 i 6 =-10ma -0.8 v i 6 = 10ma 7.6 v input c t internal r e sist ance r 3 100 ? inte rv al input r 2 =2.7~30k ? protection d i o d e v 2 i 2 =-10ma -0.8 v i 2 = 30ma/10ms 5.6 v w a sh input r 5 = 10k ? s w itc h in g t h reshold/h y st eres is v 5 -1.1/-7.1 v protection d iode v i 5 =-10ma -0.87 v i 5 = 10ma 8.7 v s w itch ing chara c teristic s r 4 = 47k ? ~ 300k ? , i 4 = - 150 a interval t i me t 2 r 3 =0 k ? 3.45 s r 3 = 10k ? 10.8 s pre w ash d e l a y t del 80 ms after-wipe-t ime t 5 r 4 =130k ? 4.7 s
UU642 preliminary linear integrate d circuit unisonic technologi es co., ltd 5 of 5 w w w . uniso nic.co m.t w q w - r 1 2 1 - 0 2 2 . a ? ty pic a l a ppli c a t io n ci rcui t r 6 r 5 10k 10k 8 7 6 5 c 1 rel a y 47 f 10 v utc uu6 42 1 2 3 4 r 1 51 0 2.7k r 2 c 2 2 2f r 4 r time =1 30k r 3 s 2 s 1 10 k m m s 3 31 15 wi wa park swi t ch w i pe r motor i nterva l switch water pump ut c a s s u m e s n o r e s p o n s i b ilit y f o r e q u ip m e n t f a ilu r e s t h a t r e s u lt f r o m u s in g p r o d u cts a t v a lu e s th a t ex ce ed, ev e n m om en t ar i l y , r ate d v a l ue s (s uch as m a x i m um rati ngs , ope ra ti ng con di t i o n ra ng es , o r other parameters ) l i s ted i n pr odu cts s peci f i c a t i on s of a ny and all u t c p r od ucts d es c r i bed o r contai ne d her ei n. ut c p r od ucts a r e n ot de si gn ed f or us e i n l i f e s upp ort a p p l i ances , de v i ce s o r sy st em s w her e m a l f un cti o n o f thes e p r od ucts ca n b e rea son abl y ex pected to re su l t i n per so n a l i n j u r y . r epr od ucti o n i n w hol e o r i n par t is p r oh i b i t e d w i tho u t the p r i o r w r i tte n con sent o f the co pyr i ght ow n e r . t h e i n f o rm ati o n pre sen ted i n th i s do cum e n t d o e s no t f o r m pa rt of an y q uotati o n or con t ra ct, i s b e l i e v e d to b e a ccu rate and re l i a b l e a nd m a y be cha n g ed w i tho u t n o ti ce.
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