technical data KK33035 b rushless dc m otor c ontroller the kk 33035 is a high performance second generation m onolithic brushless dc m o tor controller containing all of the active functions required to im plem ent a full featured open loop, three or four phase m o tor control sy stem . this device consists of a rotor position decoder for proper com m u tation sequencing, tem p erature com p ensated reference capable of supply i ng sensor power, frequency program m a ble sawtooth oscillator, three open collector top drivers, and three high current totem pole bottom drivers ideally suited for driving power mosfets. also included are protective features consisting of undervoltage lockout, cy cle-by -cy c le current lim iting with a selectable tim e delay e d latched s hutdown m ode, internal therm a l shutdown, and a unique fault output that can be interfaced into m i croprocessor controlled sy stem s. ty pical m o tor control functions include open loop speed, forward or reverse direction, run enable, and dy nam i c braking. the mc33035 is designed to operate with electrical sensor phasings of 60/300 or 120/240, and can also efficiently control brush dc m o tors f eatures ? 10 to 30 v operation ? undervoltage lockout ? 6.25v reference capable of supply i ng sensor power ? fully accessible error am plifier for closed loop servo applications ? high current drivers can control external 3-phase mosfet bridge ? cy cle-by -cy c le current lim iting ? pinned-out current sense reference ? internal therm a l shutdown ? selectable 60/300 or 120/240 sensor phasings ? can efficiently control brush dc motors w i th external mosfet h-bridge 1
KK33035 absolute m a xim u m ratings p a r a m e t e r s y mb o l valu e un i t power supply voltage vcc 40 v digital inputs (pins 3, 4, 5, 6, 22, 23) - v ref v oscillator input current (source or sink) iosc 30 m a error amp input voltage range (pins 11, 12, note 1) v ir -0.3 to v r ef v error amp output current (source or sink, note 2) i out 1 0 m a current sense input voltage range (p i n s 9, 15) v sense -0.3 to 5.0 v fault output voltage v ce( f a u lt) 2 0 v fault output sink current i sink(f a ult) 2 0 m a top drive voltage (pins 1, 2, 24) v ce(top) 4 0 v top drive sink current (pins 1, 2, 24) i sink(top) 5 0 m a bottom drive supply voltage (pin 18) v c 3 0 v bottom drive output current (source or sink, pins 19, 20. 21) i dr v 1 0 0 m a p o wer dis s i pation and therm a l characteris tics dip package maximum power dissipation t a = 85 o c thermal resistance. junction-to-air so package maximum power dissipation t a = 85 o c therm a l resistance, junction-to-air p d r ja p d r ja 860 75 650 100 mw o c/w mw o c/w operating junction temperature tj 1 5 0 o c operating am bient tem p erature range ta -40 to +85 o c storage temperature range tstg -65 to +150 o c electrical characteristics (vcc = vc = 20 v, r -= 4.7 k, c = 10 nf, t a = 25c, unless ofriarwise noted.) c h a r a c t e r i s t i c s y m b o l m i n ty p m a x u n i t reference output voltage (i ref = 1.0 ma) t a = 25 o c t a =-40 o to+85 o c v ref 5.9 5.82 6.24 - 6.5 6.57 v line regulation (vcc = 10 to 30 v, i ref = 1.0 ma) reg line - 1 . 5 3 0 m v load regulation (i ref = 1.0 to 20 ma) reg loa d - 1 6 3 0 m v output short circuit current (note 3) i sc 4 0 7 5 - m a reference under voltage lockout threshold v th 4 . 0 4 . 5 5 . 0 v input offset voltage (t a =-40 o to+ 85 o c ) v io - 0 . 4 1 0 m v input offset current (t a =-40to +85c) i io - 8 . 9 5 0 0 n a input bias current (t a =-40to +85c) i ib - - 4 6 - 1 0 0 0 n a input common mode voltage range v ic r ( o v t o v ^ ) v open loop voltage gain (v o = 3.0 v, r l = 15 k) a vol 7 0 8 0 - d b input common mode rejection ratio cmrr 55 86 - db power supply rejection ratio (vcc =vc = 10 to 30 v) psrr 65 105 - db 2
electrical characteristics (vcc = vc = 20 v, r -= 4.7 k, c = 10 nf, t a = 25c, unless otherwise noted.) c h a r a c t e r i s t i c s y m b o l m i n ty p m a x u n i t output voltage swing high s t ate (r l = 15k to gnd) low s t ate (r l =15k to v ref ) v oh , v ol 4.6 - 5.3 0.5 - 1.0 v oscillator frequency f osc 2 2 2 5 2 8 k h z frequency change with voltage (vcc = 10 to 30 v) ? fosc/ ? v - 0 . 0 1 5 . 0 % sawtooth peak voltage v os c ( p ) - 4 . 1 4 . 5 v sawtooth valley voltage v os c ( v) 1 . 2 1 . 5 - v input threshold voltage (pins 3, 4, 5, 6, 7, 22, 23) high s t ale low s t ate v ih v il 3.0 - 2.2 1.7 - 0.8 v sensor inputs (pins 4, 5, 6) high state input current (v ih = 5.0 v) low state input current (v il = 0 v) i il i il -150 -600 -70 -337 -20 -150 na forward/reverse, 60/120 select (pins 3, 22, 23) high state input current (v ih = 5.0 v) low state input current (v il = 0 v) i il i il -75 -300 -36 -175 -10 -75 na output enable high state input current (v ih = 5.0 v) i ih - 6 0 - 2 9 - 1 0 a low btate input current (v il =0 v) i il -60 - 2 9 - 1 0 threshold voltage v th 8 5 1 0 1 1 1 5 m v input common mode voltage range v ic r - 3 . 0 - v input bias current i ib - - 0 . 9 - 5 . 0 n a top drive output sink saturation (i sink = 25 ma) v ce( sa t ) - 0 . 5 1 . 5 v top drive output off-state leakage (v ce = 30 v) i dr v(leak) - 0 . 0 6 1 0 0 n a top drive output switching time (c l = 47 pf, r l . = 1.0 k) rise time fall tim e t r t f - 107 26 300 300 ns bottom drive o u t p u t v o l t a g e v high state (vcc=20v, vc = 30 v, i source = 50 m a ) low s t ate (vcc = 20 v, vc = 30 v, i sink = 50 ma) v oh v ol (vcc-2.0) - (vcc-1.1) 1.5 - 2.0 bottom drive output switching tim e (c l = 1000 pf) rise tim e fall tim e t r , t f - 38 30 200 200 ns fault output sink saturation (i sink = 16 ma) v ce( s a t ) - 2 2 5 5 0 0 m v fault output off-state leakage ( vce = 20 v) i fl t(l eak) - 1 . 0 1 0 0 n a under voltage lockout drive output enabled (vcc or vc increas ing) hy s t eres is v th(on) v h 8.2 0.1 8.9 0.2 10 0.3 v power supply c u r r e n t pin 17 (vcc = vc= 20 v) pin 17 (vcc = 20v, vc = 30v) pin 18 (vcc = vc= 20v) pin 18 (vcc = 20 v, vc = 30v ) i cc i c ? 1 2 14 3.5 5.0 16 20 6.0 10 ma 3 KK33035
n s u f f i x p l as t i c d i p (m s - 0 0 1 a f ) sy m b o l m i n m a x a 3 1. 24 3 2 . 5 1 b 6 . 1 7. 11 c5 d 0 .3 6 0 .5 6 f 1 .1 4 1 .7 8 g h j0 10 k 2 .9 2 3 .8 1 no t e s : l 7 .6 2 8 .2 6 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. 36 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 . n0 . 3 8 d su f f i x so i c (m s - 0 1 3 a d) sy m b o l m i n m a x a 1 5. 2 1 5. 6 b7 . 4 7 . 6 c 2 .3 5 2 .6 5 d 0 .3 3 0 .5 1 f 0 . 4 1. 27 g h no t e s : j0 8 1. d i m e ns 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 o n . k0 . 1 0 . 3 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 m 0 .2 3 0 .3 2 fo r a ; fo r b ? 0. 25 m m ( 0 . 010) p e r s i d e . p 1 0 1 0. 65 r 0 .2 5 0 .7 5 9. 53 d i me n s i o n , mm d i me n s i o n , mm 2. 54 7. 62 1. 27 . 3 3 a b h c k c m j f m p g d r x 45 se a t i n g pl a n e 0 . 25 ( 0 . 0 10 ) m t -t - 1 24 12 13 l h m j a b f g d se a t i n g pl a n e n k 0. 2 5 ( 0 . 010 ) m t -t - c 1 24 12 13 4 KK33035
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