? semiconductor components industries, llc, 2002 april, 2002 rev. 2 1 publication order number: mc33039/d mc33039, ncv33039 closed loop brushless motor adapter the mc33039 is a high performance closedloop speed control adapter specifically designed for use in brushless dc motor control systems. implementation will allow precise speed regulation without the need for a magnetic or optical tachometer. this device contains three input buffers each with hysteresis for noise immunity, three digital edge detectors, a programmable monostable, and an internal shunt regulator. also included is an inverter output for use in systems that require conversion of sensor phasing. although this device is primarily intended for use with the mc33035 brushless motor controller, it can be used cost effectively in many other closedloop speed control applications. ? digital detection of each input transition for improved low speed motor operation ? ttl compatible inputs with hysteresis ? operation down to 5.5 v for direct powering from mc33035 reference ? internal shunt regulator allows operation from a nonregulated voltage source ? inverter output for easy conversion between 60 /300 and 120 /240 sensor phasing conventions representative block diagram 15 k - + to rotor position sensors v cc 7 gnd f c 4 f a + 20 k 0.3 v + - + 8.25 v 8 r t f out 5 2r r + r delay q s 1 f a f b 6 3 2 c t delay delay + http://onsemi.com marking diagrams a = assembly location wl, l = wafer lot yy, y = year ww, w = work week 1 8 1 8 1 8 dip8 n suffix case 626 mc33039p awl yyww so8 d suffix case 751 1 33039 alyw 8 pin connections f out r t /c t gnd inputs f b f a f a 4 3 2 8 7 6 5 f c 1 (top view) v cc see detailed ordering and shipping information in the package dimensions section on page 6 of this data sheet. ordering information
mc33039, ncv33039 http://onsemi.com 2 maximum ratings rating symbol value unit v cc zener current i z(v cc ) 30 ma logic input current (pins 1, 2, 3) i ih 5.0 ma output current (pins 4, 5), sink or source i drv 20 ma power dissipation and thermal characteristics maximum power dissipation @ t a = + 85 c thermal resistance, junctiontoair p d r q ja 650 100 mw c/w operating junction temperature t j +150 c operating ambient temperature range mc33039 ncv33039 t a 40 to +85 40 to +125 c storage temperature range t stg 65 to +150 c electrical characteristics (v cc = 6.25 v, r t = 10 k, c t = 22 nf, t a = 25 c, unless otherwise noted) characteristic symbol min typ max unit logic inputs input threshold voltage high state low state hysteresis v ih v il v h 2.4 e 0.4 2.1 1.4 0.7 e 1.0 0.9 v input current high state (v ih = 5.0 v) f a f b , f c low state (v il = 0 v) f a f b , f c i ih i il 40 e 190 e 60 0.3 300 0.3 80 5.0 380 5.0 m a monostable and output sections output voltage high state f out (i source = 5.0 ma) f a (i source = 2.0 ma) low state f out (i sink = 10 ma) f a (i sink = 10 ma) v oh v ol 3.60 4.20 e e 3.95 4.75 0.25 0.25 4.20 e 0.50 0.50 v capacitor c t discharge current i dischg 20 35 60 ma output pulse width (pin 5) t pw 205 225 245 m s power supply section power supply operating voltage range mc33039 (t a = 40 to +85 c) ncv33039 (t a = 40 to +125 c) v cc 5.5 e v z v power supply current i cc 1.8 3.9 5.0 ma zener voltage (i z = 10 ma) v z 7.5 8.25 9.0 v zener dynamic impedance ( d i z = 10 ma to 20 ma, f 1.0 khz) ? z ka ? e 2.0 5.0 w
mc33039, ncv33039 http://onsemi.com 3 figure 1. typical three phase, six step motor application f out output latch set input f a output f c 120 sensor electrical phasing input f b r t /c t f c 60 sensor electrical phasing input f b f a f a v out (avg) constant motor speed increasing motor speed v th 0.67 v cc 240 60 120 300 720 600 0 rotor electrical position (degrees) 180 360 480 operating description the mc33039 provides an economical method of implementing closedloop speed control of brushless dc motors by eliminating the need for a magnetic or optical tachometer. shown in the timing diagram of figure 1, the three inputs (pins 1, 2, 3) monitor the brushless motor rotor position sensors. each sensor signal transition is digitally detected, or ed at the latch set input, and causes c t to discharge. a corresponding output pulse is generated at f out (pin 5) of a defined amplitude, and programmable width determined by the values selected for r t and c t (pin 6). the average voltage of the output pulse train increases with motor speed. when fed through a low pass filter or integrator, a dc voltage proportional to speed is generated. figure 2 shows the proper connections for a typical closed loop application using the mc33035 brushless motor controller. constant speed operation down to 100 rpm is possible with economical three phase four pole motors. the f a inverter output (pin 4) is used in systems where the controller and motor sensor phasing conventions are not compatible. a method of converting from either convention to the other is shown in figure 3. for a more detailed explanation of this subject, refer to the text above figure 39 on the mc33035 data sheet. the output pulse amplitude v oh is constant with temperature and controlled by the supply voltage on v cc (pin 8). operation down to 5.5 v is guaranteed over temperature. for systems without a regulated power supply, an internal 8.25 v shunt regulator is provided.
mc33039, ncv33039 http://onsemi.com 4 3 2 1 delay delay delay 48 8.25v 7 sq r 0.3v + - + - + r 2r 15k 6 5 mc33039p r t c t enable speed set mc33035p osc pwm ea - + - + s q r r s q thermal ref uvlo + + + fwd/ rev v cc pos dec brake i limit - + output buffers motor f a fault v m ns s n assy rotor figure 2. typical closed loop speed control application 20 k
mc33039, ncv33039 http://onsemi.com 5 figure 3. f out , pulse width versus timing resistor figure 4. f out , pulse width change versus temperature t a , ambient temperature ( c) r t , timing resistor (k w ) 0 1.0 10 2.0 0.1 100 20 200 0.01 - 55 -0.8 0 - 25 + 25 + 50 + 125 + 100 + 75 -1.6 +0.8 +1.6 t pw , output pulse width (ms) t pw , output pulse width change (%) d v cc = 6.25 v t a = 25 c c t = 220 nf c t = 22 nf c t = 2.2 nf v cc = 6.25 v r t = 10 k c t = 22 nf figure 5. f out , pulse width change versus supply voltage figure 6. supply current versus supply voltage 0 v cc , supply voltage (v) 4.0 4.5 + 4.0 + 2.0 0 - 2.0 - 4.0 5.5 6.5 7.5 8.5 v cc , supply voltage (v) 2.0 6.0 4.0 8.0 10 8.0 0 12 16 20 i cc , supply current (ma) t pw , output pulse width change (%) d t a = 25 c pins 1, 2, 3 connected together t a = 25 c t a = 125 c t a = -40 c + 0.4 0 0 t a , ambient temperature ( c) 0 + 125 + 0.6 + 0.4 + 0.2 i o , output load current (ma) 4.0 8.0 12 16 + 0.2 - 4.0 - 2.0 0 0 0 + 25 - 25 - 55 -16 - 8.0 +8.0 + 50 +16 + 75 + 100 - 0.2 v sat , output saturation voltage (v) v sat (sink) , sink saturation change (%) d v sat (source) , source saturation change (%) d figure 7. f out , saturation versus load current figure 8. f out , saturation change versus temperature v cc = 6.25 v t a = 25 c source saturation (load to ground) v cc gnd sink saturation (load to v cc ) v cc = 6.25 v i o = 5.0 ma d sink saturation (load to v cc ) d source saturation (load to ground)
mc33039, ncv33039 http://onsemi.com 6 ordering information device operating temperature range package shipping mc33039d so8 98 units/rail mc33039dr2 t a = 40 c to +85 c so8 2500 tape & reel mc33039p a 0 co 85 c dip8 50 units/rail ncv33039dr2* t a = 40 c to +125 c so8 2500 tape & reel *ncv33039: t low = 40c, t high = +125c. guaranteed by design. ncv prefix is for automotive and other applications requiring site and change control. package dimensions p suffix plastic package case 62605 issue l notes: 1. dimension l to center of lead when formed parallel. 2. package contour optional (round or square corners). 3. dimensioning and tolerancing per ansi y14.5m, 1982. 14 5 8 f note 2 a b t seating plane h j g d k n c l m m a m 0.13 (0.005) b m t dim min max min max inches millimeters a 9.40 10.16 0.370 0.400 b 6.10 6.60 0.240 0.260 c 3.94 4.45 0.155 0.175 d 0.38 0.51 0.015 0.020 f 1.02 1.78 0.040 0.070 g 2.54 bsc 0.100 bsc h 0.76 1.27 0.030 0.050 j 0.20 0.30 0.008 0.012 k 2.92 3.43 0.115 0.135 l 7.62 bsc 0.300 bsc m --- 10 --- 10 n 0.76 1.01 0.030 0.040
mc33039, ncv33039 http://onsemi.com 7 package dimensions d suffix plastic package case 75107 issue w seating plane 1 4 5 8 n j x 45 k notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimension a and b do not include mold protrusion. 4. maximum mold protrusion 0.15 (0.006) per side. 5. dimension d does not include dambar protrusion. allowable dambar protrusion shall be 0.127 (0.005) total in excess of the d dimension at maximum material condition. a b s d h c 0.10 (0.004) dim a min max min max inches 4.80 5.00 0.189 0.197 millimeters b 3.80 4.00 0.150 0.157 c 1.35 1.75 0.053 0.069 d 0.33 0.51 0.013 0.020 g 1.27 bsc 0.050 bsc h 0.10 0.25 0.004 0.010 j 0.19 0.25 0.007 0.010 k 0.40 1.27 0.016 0.050 m 0 8 0 8 n 0.25 0.50 0.010 0.020 s 5.80 6.20 0.228 0.244 x y g m y m 0.25 (0.010) z y m 0.25 (0.010) z s x s m
mc33039, ncv33039 http://onsemi.com 8 on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and s pecifically disclaims any and all liability, including without limitation special, consequential or incidental damages. atypicalo parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including atypicalso must be validated for each customer application by customer's technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body , or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indem nify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and re asonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized u se, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employ er. publication ordering information japan : on semiconductor, japan customer focus center 4321 nishigotanda, shinagawaku, tokyo, japan 1410031 phone : 81357402700 email : r14525@onsemi.com on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. mc33039/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 3036752175 or 8003443860 toll free usa/canada fax : 3036752176 or 8003443867 toll free usa/canada email : onlit@hibbertco.com n. american technical support : 8002829855 toll free usa/canada
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