technical data ILA1185A t riac p hase a ngle c ontroller the ILA1185A generates controlled triac triggering pulses and allows tachless sp eed stabilization of universal m o tors b y an in teg r ated p o s itiv e feed b ack fu n c tio n . typ i cal ap p lica tio n s are p o w er h a n d to o l s, v acu u m clean ers, m i x e rs, lig h t di m m e r and ot her sm al l appl i a nces. ? suppl y power obt a i n ed from ac li ne ? c a n be used wi t h 220 v/ 50 hz or 110 v/ 60 hz ? low c ount / c ost ext e rnal c o m ponent s ? opt i m um tri ac fi ri ng (2nd and 3rd quadrant s) ? rep e titiv e trig g e r pu lses wh en triac cu rren t is interrupted by m o t o r b r ush b ounce ? tri ac c u rrent sensi ng t o al l o w induct i v e loads ? program m a ble soft-start ? po wer failu re detectio n an d gen e ral circu it reset ? low power c onsum pt i on; 6.0 m a pi n c onnect i on 1 14 2 13 3 12 4 1 1 5 10 6 9 7 8 v ee v cc ga te tr ig g e r s o ft s t ar t nc fin n in g an g l e se t ra mp g e n e r a to r n c nc bi a s c u r r e n t cur r e n t ce n s e f ee d b a c k i n p u t v o l t ag e c e n s e i nt eg rat i on c a p fi gure 1. r e present a t i v e b l ock di agram 1
ILA1185A maximum ratings (voltages are referenced to pin 14 (ground) unless other noted) r a t i n g s y m b o l v a l u e u n i t m a xi m u m vol t a ge r a nge per li st ed pi n pi ns3. 5,11 (not connected) pi ns 4,8.13 pi n 2 max i m u m po sitiv e vo ltag e (no m i n i m u m v a lu e allo wed ; see current ratings) v pin v pin12 v pin1 -20 t o +20 -v cc to 0 -3.0 to +3.0 0 0.5 v m a xi m u m c u rrent per li st ed pi n pi n 1 pi n 6 and 7 in 9 pi n 10 pi n12 i pin 20 2.0 0.5 300 -500 ma ma ma a a m a xi m u m power di ssi pat i on ( a =25 o ) p d 2 5 0 m w m a xi m u m therm a l r e si st ance, .junct i on-t o -am b i e nt r ja 100 o c/w operating am bient tem p erature range t a 0 t o + 70 o c st orage tem p erat ure r a nge tst g -55 t o <+ 125 o c electrical characteristics ( a = 25 , vol t a ges are referenced t o pi n 14 (ground) unl ess ot her not ed.) c h a r a c t e r i s t i c s s y m b o l m i n t y p ax u n i t -v cc -i cc -9.6 -2.0 -8.6 -1.0 -7.6 - v ma power suppl y zener r e gul at ed vol t a ge, (vpi n1) i pin1 = 2.0 m a c i rcui t c u rrent c onsum pt i on. ipi n1 v pin1 =-6,0v,i pin2 =0a m oni t o ri ng enabl e suppl y vol t a ge (v en ) m oni t o ri ng di sabl e suppl y vol t a ge (v dis ) v pin1en v pin1dis v cc +0.2 v en +0.12 v cc +0.5 v en +0.3 v phase set co n t ro l vo ltag e static offset v pin3 ? v pin12 pi n 12 input b i as c u rrent v pin4 ? v pin12 r e si dual offset v of f i pin12 1.2 -200 - - - 180 2.0 0 - v n mv soft-start capacitor charging current r pin10 = 100 k ? v pin13 from -vcc to - 3.0v l pin13 -17' -14 -11 a sawt oot h generat o r sawt oot h c a paci t o r di scharge c u rrent r 10 =100 k ? , vpin4 from -2.0 to -6.0v c a paci t o r c h argi ng c u rrent sawt oot h -hi gh vol t a ge (v pin 4 ) sawt oot h m i ni m u m low vol t a ge (v pin4 ) l pin4 l pin4 v hth v lth 67 -10 -2.5 - 70 - -1.6 -7.1 73 -1.5 -1.0 - a ma v . v 2
ILA1185A electrical characteristics ( a = 25 , voltages are referenced to pin 14 (ground) unless other noted.) c h a r a c t e r i s t i c s s y m b o l m i n t y p ax u n i t po sitiv e feed b ack pi n 9 input b i as c u rrent , v pin9 = 0 program m i ng pi n vol t a ge rel a t e d t o pi n 1 transfer funct i on gai n ? v pin8 / ? v pin9 r 10 =100 k ? . ? v pin9 =50 m v r 10 =270 k ? . ? v pin9 =50 m v pi n 8 out put int e rnal im pedance i pin9 v pin10 a a z pin8 - 1.0 - - - 2xi pin10 1.25 75 36 120 - 1.5 - - - v k ? trigger pulse generator out put c u rrent (si nk) v pin2 =0v output leakage current v pin2 =+2.0v out put pul s e w i dt h c 4 =47nf, r 10 =270k ? ou tp u t pu lse rep e titio n perio d c 4 =47nf r 10 =270 k ? c u rrent sy nchroni zat i on threshol d level s i pin6 , i pin7 i pin2 t p t i sy nc 60 - - - -40 - - 55 420 - 80 4.0 - -4 +40 ma a s s a pin function description pin no. funct i o n d e s c r i pt i o n 1 v ee thi s pi n i s t h e negat i v e suppl y for t h e chi p and cl am ped at -8.6 v by an i n t e rnal zener. 2 gat e tri gger pul s e thi s pi n suppl i e s - 1.0v t r i ac t r i gger pul se at t w i ce t h e l i n e frequency . 3 n c not c o n n e c t e d . 4 ram p gen e rato r th e v a lu e o f th e cap acito r at th is p i n d e term in es th e slo p e o f th e ram p . 5 n c not c o n n e c t e d . 6 cu rren t sen s e th is p i n sen s es if th e triac is o n , an d if so , will d i sab l e th e g a te trig g e r p u l se. 7 vo ltag e sen s e th e in tern al tim in g o f th e ch ip is set b y th e freq u e n c y o f th e v o ltag e at th is p i n 8 int e grat i on c a paci t o r thi s pi n i s t h e out put of t h e feedback and t h e vari at i on i n vol t a ge i s averaged out by the capacitor. 9 feedback input the change i n l o ad current i s det ect ed by t h e change i n vol t a ge across r 9 . 10 c u rrent program the bi as current for t h e ci rcui t i s det e rm i n ed by t h e resi st or val u e at t h i s pi n. 1 1 n c not connect e d . 12 phase angl e set the vol t a ge at t h i s pi n set s t h e no-t o ad fi ri ng angl e. 13 soft -st a rt the fi ri ng angl e i s sl owl y i n creased from 180 o t o t h e set val u e of pi n 12. 1 4 v cc ground 3
ILA1185A n s u f f i x p l as t i c di p (m s - 0 0 1 a a ) sy m b o l m i n m a x a 18. 67 19. 69 b 6. 1 7 . 1 1 c 5. 33 d 0. 36 0. 56 f 1. 14 1. 78 g h j 0 10 k 2. 92 3. 81 no t e s : l 7. 62 8. 26 1. d i m e n s i o n s ?a ?, ?b ? d o n o t i n cl u d e m o l d f l as h o r p r o t r u s i o n s . m 0. 2 0 . 3 6 m a x i m u m m o l d f l a s h o r p r o t r u s i o n s 0. 25 m m ( 0 . 010) p e r s i d e . n 0. 38 d su f f i x so i c (m s - 0 1 2 a b ) sy m b o l m i n m a x a 8. 55 8. 75 b 3. 8 4 c 1. 35 1. 75 d 0. 33 0. 51 f 0. 4 1 . 2 7 g h j 0 8 no t e s : k 0. 1 0 . 2 5 1. d i m e n s i o ns a a n d b d o no t i n c l ud e m o l d f l a s h o r p r ot r u s i on . m 0. 19 0. 25 2. m a x i m u m m o l d f l a s h o r p r o t r u s i o n 0. 15 m m ( 0 . 006) p e r s i d e p 5. 8 6 . 2 fo r a ; fo r b ? 0. 25 m m ( 0 . 010) p e r s i d e . r 0. 25 0. 5 d i me n s i o n , mm 1. 27 5. 27 2. 54 7. 62 d i me n s i o n , mm a b h c k c m j f m p g d r x 4 5 se a t i n g pl an e 0.2 5 ( 0 . 0 10 ) m t -t - 1 14 7 8 a b f g d l h se a t i n g pl a n e n k 0.25 ( 0 . 010) m t m j -t - c 1 14 7 8 4
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