technical data 2011, february , rev. 0 1 b rushless dc m otor c ontroller the IL33035 is a high performance second generation monolithic brushless dc motor controller containing all of the active functions required to implement a full featured open loop, three or four phase motor control system. this device consists of a rotor position decoder for proper commutation sequencing, temperature compensated reference capable of supplying sensor power, frequency programmable sawtooth oscillator, three open collector top drivers, and three high current t otem pole bottom drivers ideally suited for driving power mosfets. also included are protective features consisting of undervoltage lockout, cycle - by - cycle current limiting with a selectable time delayed latched shutdown mode, internal thermal shutdown, an d a unique fault output that can be interfaced into microprocessor controlled systems. typical motor control functions include open loop speed, forward or reverse direction, run enable, and dynamic braking. the mc33035 is designed to operate with electrica l sensor phasings of 60/300 or 120/240, and can also efficiently control brush dc motors f eatures ? 10 to 30 v operation ? undervoltage lockout ? 6.25v reference capable of supplying sensor power ? fully accessible error amplifier for closed loo p servo applications ? high current drivers can control external 3- phase mosfet bridge ? cycle - by - cycle current limiting ? pinned- out current sense reference ? internal thermal shutdown ? selectable 60/300 or 120/240 sensor phasings ? can efficiently c ontrol brush dc motors with external mosfet h - bridge i l33035
IL33035 2011, february , rev. 0 1 absolute maximum ratings parameter symbol value unit 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 ma error amp input voltage range (pins 11, 12, note 1) v ir - 0.3 to vref v error amp output current (source or sink, note 2) i out 10 ma current sense input voltage range (pins 9, 15) v sense - 0.3 to 5.0 v fault output voltage v ce(fault) 20 v fault output s ink current i sink(fault) 20 ma top drive voltage (pins 1, 2, 24) v ce( top ) 40 v top drive sink current (pins 1, 2, 24) i sink(top) 50 ma bottom drive supply voltage (pin 18) v c 30 v bottom drive output current (source or sink, pins 19, 20. 21) i drv 100 ma power dissipation and thermal characteristics 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 thermal 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 150 o c operating ambient temperature range ta - 40 to + 8 5 o c storage temperature range tstg -65 to +150 o c * stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other condi tions beyond those indicated under ?recommended operating conditions? is not implied. exposure to absolute - maximum - rated conditions for extended periods may affect device reliability. electrical characteristics (vcc = vc = 20 v, r - = 4.7 k, c = 10 nf, t a = 25c, unless of riarwise noted.) characteristic symbol min typ max unit 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 30 mv load regulation (i ref = 1.0 to 20 ma) reg load - 16 30 mv output short circuit current (note 3) i sc 40 75 - ma 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 10 mv input offset current (t a = - 40to +85c) i io - 8.9 500 na input bias current (t a = - 40to +85c) i ib - - 46 - 1000 na input common mode voltage range v icr (ovtov^) v open loop voltage gain (v o = 3.0 v, r l = 15 k) a vol 70 80 - db input common mode rejection ratio cmrr 55 86 - db power supply rejecti on ratio (vcc =vc = 10 to 30 v) psrr 65 105 - db
IL33035 2011, february , rev. 0 1 electrical characteristics (vcc = vc = 20 v, r - = 4.7 k, c = 10 nf, t a = 25c, unless otherwise noted.) characteristic symbol min typ max unit output voltage swing high state (r l = 15k to gnd) low state (r l =15k to v ref ) v oh , v ol 4.6 - 5.3 0.5 - 1.0 v oscillator frequency f osc 22 25 28 khz frequency change with voltage (vcc = 10 to 30 v) ? fosc/ ? v - 0.01 5.0 % sawtooth peak voltage v osc(p) - 4.1 4.5 v sawtooth valley voltage v osc(v) 1.2 1. 5 - v input threshold voltage (pins 3, 4, 5, 6, 7, 22, 23) high stale low state 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 -60 -29 -10 a low btate input current (v il = 0 v) i il - 60 -29 -10 threshold voltage v th 85 101 115 mv input common mode voltage range v icr - 3.0 - v input bias current i ib - - 0.9 - 5.0 na top drive output sink saturation (i sink = 25 ma) v ce( sat ) - 0.5 1. 5 v top drive output off - state leakage (v ce = 30 v) i drv(leak) - 0.06 100 na top drive output switching time (c l = 47 pf, r l . = 1.0 k) rise time fall time t r t f - 107 26 300 300 ns bottom drive output voltage v high state (vcc=20 v, vc = 30 v, i source = 50 ma) low state (vcc = 20 v, vc = 30 v, i sink = 50 ma) v oh v ol (vcc - 2.0) - (v cc- 1.1) 1.5 - 2.0 bottom drive output switching time (c l = 1000 pf) rise time fall time t r , t f - 38 30 200 200 ns fault output sink saturation (i sink = 16 ma) v ce(sat) - 225 500 mv fault output off - state leakage ( vce = 20 v) i flt(leak) - 1.0 100 na under voltage lockout drive output enabled (vcc or vc increasing) hysteresis v th(on) v h 8.2 0.1 8.9 0.2 10 0.3 v power supply current 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 ? 12 14 3.5 5.0 16 20 6.0 10 ma
IL33035 2011, february , rev. 0 1 n suffix plastic dip (ms - 001af) symbol min max a 31.24 32.51 b 6.1 7.11 c 5.33 d 0.36 0.56 f 1.14 1.78 g h j 0 10 k 2.92 3.81 no tes : l 7.62 8.26 1. dimensions ?a?, ?b? do not include mold flash or protrusions. m 0.2 0.36 maximum mold flash or protrusions 0.25 mm (0.010) per side. n 0.38 d s uffix s oic (ms - 013ad) symbol min max a 15.2 15.6 b 7.4 7.6 c 2.35 2.65 d 0.33 0.51 f 0.4 1.27 g h no tes : j 0 8 1. dimensions a and b do not include mold flash or protrusion. k 0.1 0.3 2. maximum mold flash or protrusion 0.15 mm (0.006) per side m 0.23 0.32 for a; for b ? 0.25 mm (0.010) per s ide. p 10 10.65 r 0.25 0.75 9.53 dimens ion, mm dimens ion, mm 2.54 7.62 1.27 a b h c k c m j f m p g d r x 45 seating plane 0.25 (0.010) m t -t- 1 24 12 13 l h m j a b f g d se ati ng plane n k 0.25 (0.010) m t -t- c 1 24 12 13
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