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data sheet tle 6232 gp smart six channel low -side sw itch feat ures product summary ? shor t cir cuit pr ot ect i on up t o 24 v ? o v er - t em per at ur e pr ot ect i on supply v o lt ag e v s 4. 5 ? 5. 5 v dr ain sour ce clam ping v o lt ag e v ds( a z ) ty p . 53 v o n r e sist ance r on1-4 0. 25 ? r on 5,6 0. 45 ? o u t put cur r ent ( c hannel 1- 4) i d( nom ) 2 a ( c h a n n e l 5, 6) i d( nom ) 1 a ? o v er - v olt a g e pr ot ect i on ? 16 bit ser i al dat a i nput and diag nost i c o u t put ( 2 bit / c h. acc. spi pr ot ocol) ? dir ect par a llel cont r o l of all six chan- nels f o r pw m applicat ions ? g ener al fault flag ? low q u iescent cur r ent ? com pat ible w i t h 3v m i cr o cont r o ller s ? e lectr o static d ischar g e ( e sd) pr ot ect i on ? par a llel i nput s hig h or low act i v e pr og r a m m able a ppl i cat i on ? c com pat ible pow e r sw it ch f o r 12 v and 24v applicat ions ? sw it ch f o r aut o m o t i v e and i ndust r ial sy st em ? solenoids, relay s and resist iv e loads ? robot ic cont r o ls g e neral descri p t i on six channel low - s ide sw it ch in sm ar t pow e r t e chnolog y ( s pt ) w i t h a s er ial p er ipher al i nt er f a ce ( spi ) and six open dr ain dm o s out put st ag es. t he t l e 6232 g p is pr ot ect ed by em bedded pr ot ect i on f unct i ons and desig ned f o r aut om ot iv e and indust r ial applicat ions. t he out put st ag es ar e cont r o lled v i a an spi i n t e r f ace. addit i onally all six channels can be cont r o lled dir e ct in par allel f o r pw m applicat ions. t her ef or e t he t l e 6232 g p is par t i cular l y suit able f o r eng ine m anag em ent and pow er t r ain sy st em s. p- dso 36- 12 o r der ing code: q 67007a9397a702 bl ock di agram detai l e d bl ock di agr a m r ese t fa u l t cs ou tpu t s t age outp ut c o ntr o l bu ffer s e ria l i n te rfa c e sp i logic sc l k si 66 gn d vs so 16 in1 ou t 1 ou t 6 pr g v bb vs a s ch . 1 16 gn d p r ot ect i on fu nct i ons a s ch . 1 a s ch . 1 a s ch . 1 in 6 a s ch . 1 v1.2 page 08.o c t. 2002 1
data sheet tle 6232 gp fault reset channel 2 channel 3 channel 4 channel 5 channel 6 sclk vs in 1 ou t1 ou t2 ou t3 ou t4 ou t5 ou t6 spi in te rf a c e 16 bit nor m al f unc tion scb/o v er load/o t o pen load s hor t to gr ound prg vs gnd output stag e si so gn d in 3 a s c h .1 in 4 a s c h .1 in 2 a s c h .1 in 5 a s c h .1 in 6 a s c h .1 16 6 ou tp u t cont r o l b u ffe r 6 cs v1.2 page 08.o c t. 2002 2
data sheet tle 6232 gp pi n descri p t i on pi n conf i gurat i on ( t op v i ew ) pi n s y mbol funct i o n 1 g n d g r o u n d 2 n c not connect e d 3 o u t 5 pow e r o u t put channel 5 4 n c not connect e d 5 o u t 1 pow e r o u t put channel 1 6 i n 5 i nput channel 5 7 i n 1 i nput channel 1 8 v s supply volt ag e 9 r e set reset 10 cs slav e select 11 prg pr og r a m ( i nput s hig h or low - act i v e ) 12 i n 2 i nput channel 2 13 i n 6 i nput channel 6 14 o u t 2 pow e r o u t put channel 2 1 5 n c not connect e d 16 o u t 6 pow e r o u t put channel 6 1 7 n c not connect e d 1 8 g n d g r o u n d 1 9 g n d g r o u n d 2 0 n c not connect e d 2 1 n c not connect e d 2 2 n c not connect e d 23 o u t 3 pow e r o u t put channel 3 2 4 n c not connect e d 25 i n 3 i nput channel 3 26 fa u l t g ener al fault flag 27 so ser i al dat a o u t put 2 8 s c l k ser i a l clock 29 si ser i al dat a i nput 30 i n 4 i nput channel 4 3 1 n c not connect e d 32 o u t 4 pow e r o u t put channel 4 3 3 n c not connect e d 3 4 n c not connect e d 3 5 n c not connect e d 3 6 g n d g r o u n d g n d 1 ? 3 6 g n d n c 2 35 n c o u t 5 3 34 n c n c 4 33 n c o u t 1 5 32 o u t 4 i n 5 6 31 n c i n 1 7 30 i n 4 v s 8 29 si r e set 9 2 8 s c l k cs 1 0 2 7 so prg 1 1 26 fa u l t i n 2 1 2 25 i n 3 i n 6 1 3 24 n c o u t 2 1 4 23 o u t 3 n c 1 5 22 n c o u t 6 1 6 21 n c n c 1 7 20 n c g n d 1 8 19 g n d pow e r so 36 heat slug int e r nally connect ed t o g r ound pins v1.2 page 08.o c t. 2002 3
data sheet tle 6232 gp maximum ratings for t j = ? 40c t o 150c p a r a m e t e r s y m b o l v a l u e s u n i t supply volt ag e v s -0 .3 ... +7 v c onti nuous d r ai n s ource v o l t ag e (ou t 1...ou t 8 ) v ds 4 5 v i nput volt ag e, all i nput s and dat a lines v in - 0 . 3 ... + 7 v o per at ing t e m per at ur e rang e st or ag e t e m per at ur e rang e t j t stg - 40 ... + 150 - 55 ... + 150 c o u t put cur r ent per channel ( s ee el. char act e r i st ics) i d( lim ) i d( lim ) m i n a sing le pulse induct i v e ener g y ( i nt er nal clam ping ) t j =125c, ch1- 4: 3a linear decr easing ch5, 6: 1, 5a linear decr easing e 40 20 mj o u t put cur r ent per channel @ t a = 25c ( a ll 6 channels o n ; m ount ed on pcb ) 1 ) i d 1-4 i d 5 , 6 1. 1 0. 55 a pow e r dissipat ion ( m ount ed on pcb) @ t a = 25c p to t 3 . 3 w elect r ost a t i c dischar g e volt ag e ( h um an body m odel) accor d ing t o m i l st d 883d, m e t hod 3015. 7 and eo s/ esd assn. st andar d s5. 1 - 1993 v esd 2 0 0 0 v di n hum i dit y cat e g o r y , di n 40 040 e i e c clim at ic cat e g o r y , di n i e c 68- 1 40/ 150/ 56 t her m a l resist ance j unct i on ? case ( d ie solder ed on t he f r am e) j unct i on - am bient @ m i n. f oot pr int j unct i on - am bient @ 6 cm 2 cooling ar ea w i t h heat pipes r thjc r thja 2 50 38 k/ w pcb w i t h heat pipes, back s ide 6 cm 2 cooling ar ea m i nim u m f oot pr int 1 ) o u tput c u r r ent r a ting s o long as m a x i m u m j unc tion tem per atur e is not ex c eeded. at t a = 125 c the output c u r - r ent has to be c a lc ulated us ing r th ja ac c o r d ing m ounting c onditions . v1.2 page 08.o c t. 2002 4
data sheet tle 6232 gp electrical characteristics paramet e r and condi t i ons sy mbol val u es uni t v s = 4. 5 t o 5. 5 v ; t j = - 40 c t o + 150 c ; reset = h ( unless ot her w i se specif ied) m i n t y p m a x 1. pow e r suppl y , reset supply volt ag e 2 v s 4. 5 - - 5. 5 v supply cur r ent i s - - - - 1 0 m a supply cur r ent in st andby m ode ( r eset = l) i s( s t d y ) - - - - 1 0 a m i n i mu m r e se t d u ra ti o n t reset,m i n 1 - - - - s 2. pow e r o u t put s o n resist ance v s = 5 v ; i d = 1 a t j = 25c channel 1- 4 t j = 150c r ds( o n) - - -- 0. 25 -- 0. 28 0. 5 ? o n resist ance v s = 5 v ; i d = 500 m a t j = 25c channel 5, 6 t j = 150c r ds( o n) -- -- 0. 45 -- 0. 55 1 ? o u t put clam p ing volt ag e o u t put o ff v ds( a z ) 4 5 5 3 6 0 v cur r ent lim i t channel 1- 4 cur r ent lim i t channel 5, 6 i d ( l i m ) 1-4 i d( lim ) 5 , 6 3 1. 5 4 2 6 3 a o u t put leak ag e cur r ent v re se t = l i d( lk g ) - - - - 1 0 a tu rn -on ti me c h 1 - 4 i d = 2 a, r e sist iv e load ch 5, 6 i d = 1 a, r e sist iv e load t on - - 5 1 0 s tu rn -of f ti me c h 1 - 4 i d = 2 a, r e sist iv e load ch 5, 6 i d = 1 a, r e sist iv e load t of f - - 5 1 0 s sw it ch- o n slew rat e ( r e sist iv e load) s on 1 4 2 0 v/ s sw it ch- o f f slew rat e ( r e sist iv e load) s on 1 4 2 0 v/ s 3. di gi t a l i nput s i nput low volt ag e v in l - 0. 3 - - 1. 0 v i nput hig h volt ag e v in h 2 . 0 - - - - v i nput volt ag e hy st er esis v in h y s 1 0 0 2 0 0 4 0 0 m v input p u l l d o w n /u p c u rrent (in 1 ... in 6) i i n (1..6) 1 0 2 0 5 0 a i nput pull up cur r ent ( r eset ) i in ( r e s ) 1 0 2 0 5 0 a i nput pull dow n cur r ent ( p rg ) i in ( p r g ) 1 0 2 0 5 0 a i nput pull up cur r ent ( cs , s i, s c l k ) i in ( s i, s c l k ) 1 0 2 0 5 0 a 4 . d i g i ta l ou tp u t s (s o, fault ) so hig h st at e o u t put volt ag e i so h = -2 ma v so h v s - 1 -- -- v so low st at e o u t put volt ag e i so l = 2 ma v so l - - - - 0 . 4 v o u t put t r i- st at e leak ag e cur r ent cs = h , 0 v so v s i so lk g - 1 0 0 1 0 a fault o u t put low volt ag e i fa u l t = 2 ma v fa u l t l - - - - 0 . 4 v 2 fo r v s < 4.5v the pow er s t ages ar e s w itc hed ac c o r d ing the input s i gnals and data bits or ar e def initely s w itc hed of f . t h is under - v oltage r e s e t gets ac tive at v s = 3v ( t y p . value) and is s pec if ied by des ign. v1.2 page 08.o c t. 2002 5
data sheet tle 6232 gp electrical charact eristics cont. paramet e r and condi t i ons sy mbol val u es uni t v s = 4. 5 t o 5. 5 v ; t j = - 40 c t o + 150 c ; reset = h ( unless ot her w i se specif ied) m i n t y p m a x 5. di agnost i c funct i ons o pen load det e ct ion volt ag e v ds( o l ) 0 . 5 2 * v s 0.6* v s 0.68* v s v shor t t o g r ound det e ct ion volt ag e v ds( s hg) 0. 32 * v s 0. 4 * v s 0. 48 * v s v diag nost i c cur r ent ( i ncl. leak ag e) u out i ,j = 14v u out i ,j = 0v i out i ,j -i out i ,j 325 50 580 130 980 250 a a cur r ent lim i t a t i on; o v er load t h r e shold cur r ent i d ( l i m ) 1-4 i d( lim ) 5 , 6 3 1. 5 4 2 6 3 a a o v er - t em per at ur e shut dow n t h r e shold hy st er esis t th(sd) t hy s 170 5 -- 10 200 20 c k fault delay t i m e t d(faul t) 6 0 1 2 0 2 4 0 s 6. spi - t i m i ng ser i al clock fr eq uency ( @ c so 50pf) f sc k d c - - 5 m h z s e ri a l c l o ck p e ri o d (1 /f cl k ) t p( sc k) 2 0 0 - - - - n s ser i al clock hig h t i m e t sc kh 5 0 - - - - n s ser i al clock low t i m e t sc kl 1 0 0 - - - - n s enable lead t i m e ( f alling edg e of cs t o r i sing edg e of cl k ) t l ead 1 0 0 - - - - n s enable lag t i m e ( f alling edg e of clk t o r i sing edg e of cs ) t la g 1 5 0 - - - - - n s dat a set up t i m e ( r e q u ir ed t i m e si t o f a lling of clk) t su 2 0 - - - - n s dat a hold t i m e ( f alling edg e of clk t o si ) t h 2 0 - - - - n s disable t i m e t di s - - - - 1 0 0 n s t r ansf e r delay t i m e 3 ( cs hig h t i m e bet w een t w o accesses) t dt 1 5 0 - - - - n s dat a valid t i m e 4 c l = 50 pf c l = 100 pf c l = 150 pf t va lid - - -- -- -- -- -- 100 120 150 ns ns ns 3 t h is tim e is nec es s a r y betw een tw o w r ite ac c e s s e s . t o get the c o r r e c t diagnos tic inf o r m ation, the tr ans f e r delay tim e has to be ex tended to the m a x i m u m f ault delay tim e t d(fau l t)max = 200s . 4 t h is par am eter w ill not be tes t ed but s pec if ied by des ign v1.2 page 08.o c t. 2002 6
data sheet tle 6232 gp description of the pow e r stages 4 l o w si de pow er sw i t ches f o r nomi nal cur r ents up to 3a ( pow er stag es ou t 1 to ou t 4 ) . c on- tr ol i s possi bl e by i nput pi ns or v i a spi. for t j = 150c the on- r e si stance of the pow e r sw i t ches i s bel ow 500m ? . 2 l o w si de pow er sw i t ches f o r nomi nal cur r ents up to 1.5a ( pow er stag es ou t 5 and ou t 6 ) . c ontr o l i s possi bl e by i nput pi ns or v i a spi. for t j = 150c the on- r e si stance of the pow er sw i t ches i s bel ow 1 ? . in or der to i n cr ease the sw i t chi n g cur r ent or to r educe the pow e r di ssi pati on par al l e l connec- ti on of pow er stag es i s possi bl e. each of the 6 output stag es i s eq ui pped w i th i t s ow n z ener cl amp, w h i c h l i m i t s the output v o l t - ag e to a max i mum of 60v. t he outputs ar e pr ov i ded w i th a cur r ent l i m i t ati on set to a mi ni mum of 1.5a r e sp. 3a. each pow er stag e i s eq ui pped w i th an ow n temper atur e sensor . each output i s pr otected by embedded pr otecti on f uncti ons 5) . in case of ov er l oad or shor t- cir c uit to u ba tt the cur r ent i s i n ter nal l y l i m i t ed and the cor r e spondi ng bi t combi nati on i s set ( ear l y w a r n i n g ) . if thi s oper ati on l eads to an ov er - t emper atur e condi ti on, a second pr otecti on lev e l (about 170c) w ill chang e the output into a low duty cy cle pw m (selectiv e therm a l shut- dow n w i th r e star t) to pr ev ent cr i t i c al chi p temper atur es. t he f o l l o w i ng f aul ts can be detected ( i ndi v i dual l y f o r each output) : - shor t to u b att: ( s c b /ov e r l oad) can be detected w hen sw i t ches ar e on state - shor t to g r ound: ( s c g ) can be detected w hen sw i t ches ar e of f state - open l oad: ( o l) can be detected w hen sw i t ches ar e of f state - ov er-tem perature: (ot ) w ill only be detected w hen sw itches are on state t he f ault conditions scb, scg and ol w ill not be stored unt il an integ r ated f iltering tim e is ex pi r ed ( p l ease note f o r pw m appl i c ati on) . if , at one output, sev e r a l er r o r s occur i n a se- q uence, alw a y s the last detected error w ill be stor ed (w ith f iltering tim e ). all f ault conditions are encoded i n tw o bi ts per sw i t ch and ar e stor ed i n the cor r e spondi ng spi r e g i ster s. addi ti onal l y ther e ar e tw o centr a l di ag nosti c bi ts: one especi a l l y f o r ov er - t emper atur e ( l atched r e sul t of an or - oper ati on out of the 6 si g nal s of the temper atur e sensor ) and one f o r f a ul t occur r ence at any output. a f aul t that has been detected and stor ed i n the f aul t r e g i ster must not be r e pl aced by o.k.- s tate ( 11) unl ess i t i s r ead out by the r d _ d i ag command sent by the mi cr ocontr o l l e r or an internal or ex te rnal reset has been applied. i.e. the f a ult reg i ster w ill be cleared only by the r d _ d i ag command. pr g - pr og r a m pi n. pr g = h i g h ( v s ) : par a l l e l i nputs c hannel 1 to 6 ar e hi g h acti v e pr g = low ( g n d ) : par a l l e l i nputs c hannel 1 to 6 ar e l o w acti v e . if the par al l e l i nput pi ns ar e not connected ( i ndependent of hi g h or l o w acti v i ty ) , channel s 1 to 6 ar e sw i t ched off. pr g pi n i t sel f i s i n ter nal l y pul l ed dow n w hen i t i s not connected. 5) t he integr ated pr otec tion f unc tions pr event devic e des tr uc tion under f ault c onditions and m a y not be us ed in nor m a l oper ation or per m anently . v1.2 page 08.o c t. 2002 7
data sheet tle 6232 gp t he ef f e ct of the i n teg r ated under - v ol tag e detecti on i s si mi l a r to the ef f e ct of an ex ter nal r e set at pi n r e set ( e x c ept l o w cur r ent consumpti on) : - locks all pow er sw itches reg a rdless of their input sig nals - cl ear s the f aul t r e g i ster s - re se t s s p i co n t ro l re gist e r par a l l e l connecti on of pow e r stages t he pow er stag es w h i c h ar e connected i n par al l e l hav e to be sw i t ched on and of f si mul t ane- ousl y . in case of ov er l oad the g r ound cur r ent and the pow er di ssi pati on ar e i n cr easi n g . t h e appl i c a- ti on has to take i n to account that al l max i mum r a ti ng s ar e obser v ed ( e .g . oper ati n g temper a- tur e t j and total g r ound cur r ent i gnd , see m a x i mal rating s) . t he max i mum cur r ent l i m i t ati on v a l ue ( o r ov er l oad detecti on thr e shol d) of the par al l e l con- nected pow er stag es i s the summati on of the cor r e spondi ng max i mum v a l ues of the pow er stag es ( iou t ( lim ) x + i ou t( lim ) y + ....) . m a x . nom i nal cur r ent m a x . clam p ing ener g y o n resist ance 2 pow er st ag es of t he sa me ty p e ( s ee not e 1) (i ma x , o u t x +i ma x , o u t y ) x 0.9 0. 8 x ( e x + ey ) y outx on xr , , 5 . 0 3 pow er st ag es of t he sa me ty p e ( s ee not e 1, 2) (i ma x , o u t x +i ma x , o u t y + i ma x , o u t z ) x 0.8 0. 7 x ( e x + ey + ez ) z y outx on xr , , , 34 . 0 2 pow er st ag es w i t h t he sam e clam ping v o lt ag e, but dif f e r ent nom inal cur r ent ( s ee not e 3) (i ma x , o u t x +i ma x , o u t y ) x 0 . 8 m i n ( e clpx , eclpy ) outy on outx on outy on outx on r r xr r , , , , + not e 1: p o w e r s t ages of t he s a m e t y pe have t he s a m e nom i nal c u rrent not e 2: onl y f o r 3a pow er s t ages not e 3: p a ral l e l c onnec t i on of pow er s t age t y pe 3a / 53v w i t h t y pe 1. 5a / 53v spi interface t he ser i al spi i n ter f ace makes possi bl e communi cati on betw een t l e6232 and the mi cr ocon- tro lle r. t l e 6232 gp al w a y s w o r ks i n sl av e mode w her eas the mi cr ocontr o l l e r pr ov i des the master f uncti on. t he max i mum baud r a te i s 5m baud. appl y i ng a chi p sel e ct si g nal at c s and setti ng bi t 7 and bi t 6 of the i n str u cti on by te to ? 1 ? and ? 0 ? t l e 6232 gp i s sel e cted by the spi master . si i s the data i nput ( s i g nal in) , so the data output ( s i g nal out) . vi a sc lk ( s er i a l c l o ck input) the spi cl ock i s g i v en by the master . v1.2 page 08.o c t. 2002 8
data sheet tle 6232 gp spi signal description cs - c h i p sel e ct. t he sy stem mi cr ocontr o l l e r sel e cts the t l e 6232 gp by means of the cs pi n. w henev er the pi n i s i n a l o g i c l o w state, data can be tr ansf e r r ed f r om the c and v i ce ve r s a . cs high to low transition: - di ag nosti c status i n f o r m ati on i s tr ansf e r r ed f r om the pow er outputs i n to the shi f t r e g i ster . - ser i al i nput data can be cl ocked i n f r om then on - so chang es f r om hi g h i m pedance state to l o g i c hi g h or l o w state cor r e spondi ng to the so bi ts cs low to high transition: - tr ansf e r of si bi ts f r om shi f t r e g i ster i n to output buf f e r s - r e set of di ag nosi s r e g i ster t o av oi d any f a l s e cl ocki ng the ser i al cl ock i nput pi n sc lk shoul d be l o g i c l o w state dur i ng hi g h to l o w tr ansi t i on of cs . w hen cs i s i n a l o g i c hi g h state, any si g nal s at the sc lk and si pi ns ar e i g nor ed and so i s f o r c ed i n to a hi g h i m pedance state. sc lk - serial clock. t he sy stem clock pin clo cks the internal shif t reg i ster of the t l e 6232 gp. t he serial input (si) accepts data into the input shif t reg i ster on the f a lling edg e of sc lk w h i l e the ser i al output ( s o) shi f ts di ag nosti c i n f o r m ati on out of the shi f t r e g i ster on the r i si ng edg e of ser i al cl ock. it i s essenti a l that the sc lk pi n i s i n a l o g i c l o w state w h enev er chip select cs m a kes any transition. t he num ber of clock pulses w ill be counted during a ch ip se le ct cy cle . t h e re ce iv e d d a t a w ill o n l y b e a cce p t e d , if e x a c tly 1 6 clo ck p u l se s w e re counted dur i n g cs is activ e . si - ser i al input. ser i al data bi ts ar e shi f ted i n at thi s pi n, the most si g n i f i c ant bi t f i r s t. si i n f o r - m a tion is read in on the f a lling edg e of sclk. i nput data is latched in the shif t reg i ster and then tr ansf e r r ed to the contr o l buf f e r of the output stag es. t he i nput data consi s ts of tw o by tes - a "contr o l by te? f o l l o w ed by a "data by te". t he contr o l b y te co n t a i n s th e in f o rm a t io n a s to w h e t h e r th e d a t a b y te w ill b e a cce p t e d o r ign o r e d (se e d i - ag nosti cs secti on) . t he data by te contai ns the i nput i n f o r m ati on f o r the si x channel s. a l o g i c hig h lev e l at this pin (w ithin the data by te) w ill sw itch on the pow er sw itch, prov ided that the cor r e spondi ng par al l e l i nput i s al so sw i t ched on ( a n d - oper ati on f o r channel 1 to 6) . so - ser i al output. d i a g nosti c data bi ts ar e shi f ted out ser i al l y at thi s pi n, the most si g n i f i c ant bi t f i r s t. so i s i n a hi g h i m pedance state unti l the cs pi n g oes to a l o g i c l o w state. n e w di ag - nostic data w ill appear at the so pin f o llow i ng the rising edg e of sclk. re set - r e set pi n. if the r e set pi n i s i n a l o g i c l o w state, i t cl ear s the spi shi f t r e g i ster and sw i t ches al l outputs off. an i n ter nal pul l - up str u ctur e i s pr ov i ded on chi p . in case of i nacti v e chi p sel e ct si g nal ( h i g h) or bi t 7 and bi t 6 of the i n str u cti on by te di f f e r i ng f r om1? and ? 0 ? the data output so r e mai n s i n to tr i - state. v1.2 page 08.o c t. 2002 9
data sheet tle 6232 gp spi interface spi control : so sck si cs po w e r st ag es 1 . . . 6 st at e m ach i n e shift register pow e r stages 1...6 mu x _ re g sc on _r eg cl oc k counte r control bi ts p a r i ty g e ne r a tor po w e r st ag es 1 . ..6 di a _ re g cs sclk spi communi cati on a spi communi cati on star ts w i th a spi i n str u cti on ( s i contr o l w o r d ) sent f r om the contr o l l e r to t l e 6232 gp. si mul t aneousl y the dev i c e sends the f i r s t so by te back to the c . d u r i ng a w r i t i n g cy cl e the contr o l l e r sends the data af ter the spi i n str u cti on, beg i nni ng w i th the m sb. d u r i ng a r eadi ng cy cl e, af ter hav i n g r e cei v ed the spi i n str u cti on, t l e 6232 gp sends the cor r e spondi ng data to the contr o l l e r , al so star ti ng w i th the m sb. t he spi inter f ace consi s ts of thr ee r e g i ster : - m u x _ r e g: 8- bi t ( 1 by te) l eng th f o r par al l e l oper ati on mode ( i n 1 ... in 6 enabl ed or not) - sc on _r eg: 8- bi t ( 1 by te) l eng th f o r ser i al contr o l of the outputs ( s er i a l data bi ts) v1.2 page 08.o c t. 2002 10
data sheet tle 6232 gp - d i ag_r eg: 16- bi t ( 2 by te) l eng th. c ontai ns the di ag nosti c i n f o r m ati on ( 2 bi ts per chan- nel ) , a common ov er - t emper atur e bi t and a common f a ul t bi t. r e g i ster s m u x _ r e g and sc on _r eg ar e w r i t eabl e as w e l l as r eadabl e f r om the mi cr ocon- tr ol l e r . t he d i ag_r eg can onl y be r ead f r om the c . t h i s l eads to f i v e di f f e r ent contr o l by tes w h i c h ar e r e cog n i z ed by the ic . t h e f o l l o w i ng tabl e show s the di f f e r ent modes. m s b lsb m s b lsb w r _ s con si: so: h l l h h l x x z z f o t dia6 dia5 d6 d5 d4 d3 d2 d1 x x dia4 dia3 dia2 dia1 w r i t e to s c on r e gi ste r . rd_ scon si: so: h l l h l h x x z z f ot dia6 dia5 x x x x x x x x s c on 6 .. . s c on 1 h h read sco n reg i st er wr _ m u x si: so: h l h l h l x x z z f ot dia6 dia5 m6 m5 m4 m3 m2 m1 x x dia4 dia3 dia2 dia1 w r i t e to m u x r e gi ste r . rd_ m u x si: so: h l h l l h x x z z f ot dia6 dia5 x x x x x x x x mux 6 . . mux 1 h h read m u x reg i st er rd_ diag si: so h l l l l l x x z z f ot dia6 dia5 x x x x x x x x dia4 dia3 dia2 dia1 read di ag reg i st er si cont r o l by t e si dat a by t e note: ?x ? m eans ?don?t care?, because data w ill be ig nored ? d x ? r epr esents the ser i al data bi ts, ei ther bei ng h ( = off) or l ( = on ) ? m x ? enabl es par al l e l contr o l of channel x h ( = par al l e l ) or l ( = ser i al ) ? z ? means tr i - state ? f ? i s the common f aul t f l ag ? o t ? i s the common ov er - t emper atur e f l ag ? d i ax ? i s the 2 bi t di ag nosi s i n f o r m ati on per channel all other possible control by tes w ill lead to an ig norance of the data bits, but the f u ll diag nosis i n f o r m ati on ( l i k e r d _ d i ag command) i s pr ov i ded at the so l i ne. a r e set of al l f aul t r e g i ster s (and ot bit) the w ill only be done if the rd_diag com m and w a s clocked in. characteristics of the spi interface if the sl av e sel e ct si g nal at c s i s h i g h or bi t 7 and bi t 6 of the i n str u cti on by te di f f e r f r om ? 1 ? and ? 0 ? , the state machi ne i s set on def aul t condi ti on, i . e. the state machi ne ex pects an i n - struction. if the 5v- r e set ( r eset ) i s acti v e , the spi output so i s sw i t ched i n to tr i - state. in or der to i n cr ease the possi bl e number of spi par ti ci pants on one and the same c s si g n al , bi ts 7 and 6 of the i n str u cti on by te ar e f i x ed as show n abov e. w h i l e r e cei v i n g the f i r s t tw o bi ts of the i n str u cti on by te the data output so has to be i n tr i - state. af ter hav i n g r e cei v ed the f i r s t tw o bi ts t l e6232 has to deci de i f i t i s addr essed ( b i t 7 = hi g h , bi t 6 = l o w ) . in thi s case the r e - mai n i n g 6 bi ts of the i n str u cti on by te and the data by te ar e accepted and the di ag nosti c f eed- back r e specti v e l y the data by te content ( m u x , sc on ) i s sent to the mi cr ocontr o l l e r . other w i se i n str u cti on and data bi ts ar e r e j e cted and so r e mai n s i n tr i - state. on a reading access the bit pattern of the data by te at the spi input si w ill be ig nored. t he f i r s t so by te sent out si mul t aneousl y by the t l e 6232 gp al w a y s contai ns the common f a ul t bi t, the ov er - t emper atur e bi t and the di ag nosti c i n f o r m ati on of channel s 6 and 5 ( 2 bi ts each) . d ependi ng on the si contr o l by te, the second so by te contai ns the r e q uested i n f o r m ati o n. v1.2 page 08.o c t. 2002 11
data sheet tle 6232 gp - r ead back of sc on _r eg ( s c o n bi ts 6 to 1 and tw o hi g h bi ts) - r ead back of m u x _ r e g ( m u x i n f o r m ati on f o r channel 6 to 1 and tw o hi g h bi ts) - d i a g nosti c i n f o r m ati on of channel 4 to 1 ( 2 bi ts per channel ) on a w r i t i n g access al w a y s the f u l l di ag nosti c i n f o r m ati on of the 6 channel s ( 2 bi t per channel ) and the ov er - t emper atur e and common f aul t bi t i s per f o r m ed. inv a lid instruction/access: an instruction is inv a lid, if t he f o llow i ng condition is f u lf illed: - an unused i n str u cti on code i s detected ( s ee tabl es w i th spi i n str u cti o ns) . if an i n v a l i d i n str u cti on i s detected, a w r i t i n g access on a r e g i ster of t l e6232 gp i s not al l o w - w ed. in addi ti on an access i s i n v a l i d i f the number of spi cl ock pul ses counted dur i n g acti v e cs dif f e rs f r om ex actly 16 clock pulses (f alling edg es are counted). - on a w r i t i n g access the r e cei v ed data i s onl y taken ov er i n to the i n ter nal r e g i ster s and - the f aul t r e g i ster i s onl y cl ear ed by the r d _ d i ag command, i f ex actl y 16 spi cl ock pul ses w e r e counted w h i l e c s acti v e . w r i t i n g acc es s / 8 b i t + 8 b i t r e sp . s p i in s t ru c t io n ss si so ms b d a t a /8 b i t ss di a 4 di a 3 di a 2 di a 1 ms b ms b z z f o t d i a 6 d i a 5 10 - - -- - - s p i i n st r u ct i o n si so ms b xx xx xxx x ms b ms b z z o t di a 6 di a 5 f 10 - - -- - - r e a d i ng a c c e s s / 8 bi t + 8 bi t d a ta /8 b i t v1.2 page 08.o c t. 2002 12
data sheet tle 6232 gp s e ri a l /p a r a l l e l c o n t ro l o f th e p o w e r s t a g e s 1 ...6 (s p i -ins truc tions : w r _ m ux , rd_ mux , w r _ s con, rd_ s c on) t he f o llow i ng table show s the tr uth table f o r the contr o l of the pow er stag es 1...6. t he r e g i ster m u x _ r e g pr escr i bes par al l e l or ser i al contr o l of the pow er stag es. t he r e g i ster sc on _r eg pr escr i bes the state of the pow er stag e i n case of ser i al contr o l . rst prg inx m u xx sconx out put ou tx of pow e r st age x, x = 1..6 0 x x x x o u t x o f f 1 x x 0 0 ser i al c ontr o l : ou t x on 1 x x 0 1 ser i al c ontr o l : ou t x of f 1 0 0 1 x par a l l e l c o ntr o l : ou t x on 1 0 1 1 x p a ra lle l co n t ro l: out x o f f 1 1 0 1 x p a ra lle l co n t ro l: out x o f f 1 1 1 1 x par a l l e l c o ntr o l : ou t x on note: ser i al data bits ar e low ac tive. par a llel i nputs ar e high or low ac tive depending on the prg pin. descri p t i on of t h e spi regi st ers regi st er: m u x_reg 7 6 5 4 3 2 1 0 mu x 6 m u x 5 mu x 4 m u x 3 m u x 2 m u x 1 1 1 st at e of r e se t: f f h access by cont r o ller : read/ w r it e bit nam e descr ipt i on 7 m u x 6 ser i al or par allel cont r o l of pow er st ag e 6 6 m u x 5 ser i al or par allel cont r o l of pow er st ag e 5 5 m u x 4 ser i al or par allel cont r o l of pow er st ag e 4 4 m u x 3 ser i al or par allel cont r o l of pow er st ag e 3 3 m u x 2 ser i al or par allel cont r o l of pow er st ag e 2 2 m u x 1 ser i al or par allel cont r o l of pow er st ag e 1 1- 0 no f unct i on: hi g h on r eading regi st er: sco n _reg 7 6 5 4 3 2 1 0 sco n 6 sco n 5 sco n 4 sco n 3 s c o n 2 s c o n 1 1 1 st at e of r e se t: f f h access by cont r o ller : read/ w r it e bit nam e descr ipt i on 7 sco n 6 st at e of ser i al cont r o l of pow er st ag e 6 6 sco n 5 st at e of ser i al cont r o l of pow er st ag e 5 5 sco n 4 st at e of ser i al cont r o l of pow er st ag e 4 4 sco n 3 st at e of ser i al cont r o l of pow er st ag e 3 3 sco n 2 st at e of ser i al cont r o l of pow er st ag e 2 2 sco n 1 st at e of ser i al cont r o l of pow er st ag e 1 1- 0 no f unct i on: hi g h on r eading di agnost i cs/ encodi ng of fai l u res v1.2 page 08.o c t. 2002 13
data sheet tle 6232 gp descri p t i on of t h e spi regi st ers ( spi i n st r u ct i ons: rd_di a g ) regi st er: di a g _reg 1 7 6 5 4 3 2 1 0 st 7 st 6 s t 5 st 4 st 3 st 2 s t 1 s t 0 st at e of r e se t: f f h access by cont r o ller : r e a d only b i t n a me d e scri p ti o n 7- 6 di a4 diag nost i c bit s of pow er st ag e 4 5- 4 di a3 diag nost i c bit s of pow er st ag e 3 3- 2 di a2 diag nost i c bit s of pow er st ag e 2 1- 0 di a1 diag nost i c bit s of pow er st ag e 1 note: t h is by te is alw a y s c l oc k ed out ( s ec ond so - b y t e) , ex c ept the si c ontr o l w o r d s s a y s : rd_sco n or rd_mux . but: t he c ontent of the f ault r egis t er w ill only be deleted if the c ontr o l c o m m and ?rd_diag ? w a s c l oc k ed in and 16 c l oc k puls e s w e r e c ounted. regi st er : di a _ reg 2 7 6 5 4 3 2 1 0 z z f o t st 1 1 st 1 0 st 9 st 8 st at e of r e se t: f f h access by cont r o ller : r e a d only b i t n a me d e scri p ti o n 7- 6 z bit 7 and 6 ar e alw a y s t r i- st at e 5 f com m on er r o r f l ag 4 o t com m on ov er - t em per at ur e f l ag 3- 2 di a6 diag nost i c bit s of pow er st ag e 6 1- 0 di a5 diag nost i c bit s of pow er st ag e 5 encodi ng of t h e di agnost i c ( s t a t u s) bi t s of t h e pow e r st ages st ( 2 *x - 1 ) st ( 2 *x - 2 ) st at e of pow er st ag e x x = 1. . 6 1 1 pow e r st ag e o. k . 1 0 o v er load, shor t cir c uit t o bat t e r y ( s cb) or ov er - t em per at ur e ( o t ) 0 1 o pen load ( o l) 0 0 shor t cir c uit t o g r ound ( s cg ) n o te : di a_reg 2 is alw a y s clock ed out as f i r s t by t e f , ot b i t = 1 : n o f a u l t f, o t bit = 0: fault , o v er - t em per at ur e t he ov er - t em per at ur e bit is t he lat c hed r e sult of an o r - oper at ion out of t he 6 sig nals of t he t e m per at ur e sensor ) t he g ener al f ault bit show s t he f ault occur r ence at any of t he out put s. reset of the diagnostic information t he diag nostic inf o rm ation w ill only be reset af ter the rd_diag com m and on the rising edg e of sl av e sel e ct or a r e set si g nal i s appl i ed ( r eset = l o w ) . v1.2 page 08.o c t. 2002 14
data sheet tle 6232 gp ti mi ng di agr a ms c o n t r o l b y te 7 6 5 4 3 2 1 0 1 5 1 4 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1 0 cs sc lk si so ms b ls b figure 2: serial int e rf ace figure 3: input timing diagram t l ead t sckh 0. 2v s t la g t h t fs i t sckl 0.2 v s t su t rs i 0. 7v s 0. 2v s cs sclk si 0. 7v s 0. 7v s t dt figure 4: so valid time wav e f o rms enable and disable time wav e f o rms t v a lid sclk cs so t di s 0. 2 v s so 0. 7 v s 0. 7 v s 0. 2 v s so 0. 7 v s 0. 2 v s v1.2 page 08.o c t. 2002 15
data sheet tle 6232 gp t t t on t of f 80% v ds v in 20% figure 5: pow e r outputs t i mi ng i s v a l i d f o r r e si sti v e l oad w i th par al l e l and ser i al contr o l . risin g e d g e o f ch ip se le ct in itia te s th e sw itch in g a ppl i cati on ci r c ui ts ou t 1 ou t 2 ou t 6 tl e 62 32 g p si so clk cs vs v s = 5v res e t gn d v bb cl k mt sr mr s t p x y c e. g. c16 7 in 1 in6 prg fau l t 10 k c v1.2 page 08.o c t. 2002 16
data sheet tle 6232 gp par a l l e l spi confi gur ati on engine manageme nt a pplication t l e 6232 gp i n combi nati on w i th t l e 6240 gp ( 16- f o l d sw i t ch) f o r r e l a y s and g ener al pur - pose l oads and t l e 6220 gp ( q uad sw i t ch) to dr i v e the i n j e ctor v a l v es. t h i s ar r ang ement cov e r s the numer ous l oads to be dr i v en i n a moder n eng i ne m anag ement/pow er tr ai n sy stem. fr om 26 channel s i n sum 18 can be contr o l l ed di r e ct i n par al l e l f o r pw m appl i c ati ons. 4 si cl k so 4 si cl k so cs cs mts r mr s t cl k p x . y p x . 1- 6 p x . y p x . 1- 4 c c 167 4 pw m channel s 6 pw m ch a n ne l s cs injec t or 1 injector 2 injector 3 injec t or 4 tl e 6 220 g p qu a d tl e 6232 g p he x 8 si cl k so cs 8 pw m c h a nnel s tl e 6240 g p 16-f o l d p x . y p x . 1- 8 v1.2 page 08.o c t. 2002 17
data sheet tle 6232 gp package and ordering code (a ll d i me n s io n s in mm) p- d s o 36- 12 o r der ing code t l e 6232 g p q 67007a9397a702 v1.2 page 08.o c t. 2002 18
data sheet tle 6232 gp v1.2 page 08.oct. 2002 19 published by infineon technologies ag , bereichs kommunikation st.-martin-strasse 76, d-81541 mnchen ? infineon technologies ag 1999 all rights reserved. attention please! the information herein is given to describe certain component s and shall not be considered as warranted characteristics. terms of delivery and rights to technical change reserved. we hereby disclaim any and all warranties, including but not lim ited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. infineon technologies is an approved cecc manufacturer. information for further information on technology, delivery terms and condi tions and prices please contac t your nearest infineon tech- nologies office in germany or our infineon technol ogies representatives worldwide (see address list). warnings due to technical requirements components may contain dangerous substances. for information on the types in question please contact your nearest infineon technologies office. infineon technologies components may only be used in life-support dev ices or systems with the express written approval of infineon technologies, if a failure of such components can reas onably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. life s upport devices or systems are in- tended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. if they fail, it is reasonable to assume that the health of the user or other persons may be endangered.

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