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specifications of any and all sanyo semiconductor co.,l td. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer ' s products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer ' sproductsor equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general el ectronics equipment (home appliances, av equipment, communication device, office equipment, industrial equ ipment etc.). the products mentioned herein shall not be intended for use for any "special application" (medica l equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, t ransportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of re liability and can directly threaten human lives in case of failure or malfunction of the product or may cause har m to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for app lications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. if there is n o consultation or inquiry before the intended use, our customer shall be solely responsible for the use. 20211 sy 20110131-s00004/d2210 sy 20101213-s00003 no.a1913-1/13 LB11620GP overview the LB11620GP is a direct pwm drive pre-driver ic that is optimal for three-phase power brushless motors. a motor driver circuit with the desired output capability (voltage and cu rrent) can be implemented by adding discrete transistors or other power devices to the outputs of this ic. since the LB11620GP is provided in a miniature package, it is also appropriate for use with miniature motors as well. features ? three-phase bipolar drive ? direct pwm drive (input of either a control voltage or a variable-duty pwm signal) ? built-in forward/reverse switching circuit ? 5v regulator output (vreg pin) ? built-in current limiter circuit (0 .25v (typical) reference voltage) ? built-in under voltage protection circuit ? built-in automatic recovery type constraint protection ci rcuit (on: off=1: 18) with protection operating state discrimination output (rd pin) ? hall signal pulse outputs specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit supply voltage 1 v cc max v cc pin 18 v output current i o max ul, vl, wl, uh, vh, wh pins 30 ma allowable power dissipation pd max *mounted on a circuit board. 1.0 w operating temperature topr -30 to +100 c storage temperature tstg -55 to +150 c * mounted on a circuit board: 40.0mm 50.0mm 0.8mm, glass epoxy board. monolithic digital ic brushless motor driver orderin g numbe r : ena1913a
LB11620GP no.a1913-2/13 recommended operating ranges at ta = 25 c parameter symbol conditions ratings unit supply voltage range 1-1 v cc 1-1 v cc pin 8 to 17 v supply voltage range 1-2 v cc 1-2 v cc pin, with v cc shorted to vreg 4.5 to 5.5 v output current i o ul, vl, wl, uh, vh, wh pins 25 ma 5 v constant voltage output current ireg -30 ma hp pin voltage vhp 0 to 17 v hp pin output current ihp 0 to 15 ma rd pin voltage vrd 0 to 17 v rd pin output current ird 0 to 15 ma electrical characteristics at ta = 25 c, v cc = 12v ratings parameter symbol conditions min typ max unit supply voltage 1 i cc 1 12 16 ma 5v constant voltage output (vreg pin) output voltage vreg 4.7 5.0 5.3 v line regulation vreg1 v cc = 8 to 17v 40 100 mv load regulation vreg2 i o = -5 to -20ma 10 30 mv temperature coefficient vreg3 design target 0 mv/ c low-voltage protection circuit (vreg pin) operating voltage vsdl 3.5 3.7 3.9 v clear voltage vsdh 3.95 4.15 4.35 v hysteresis vsd 0.3 0.45 0.6 v output block output voltage 1-1 v out 1-1 low level i o = 400 a 0.2 0.5 v output voltage 1-2 v out 1-2 low level i o = 10ma 0.9 1.2 v output voltage 2 v out 2 high level i o = -20ma v cc -1.1 v cc -0.9 v output leakage current i o leak 10 a hall amplifier block input bias current ihb (ha) -2 -0.5 a common-mode input voltage range 1 vicm1 when a hall effect sensor is used 0.5 v cc -2.0 v common-mode input voltage range 2 vicm2 for single-sided input bias (hall ic application) 0 v cc v hall input sensitivity 80 mvp-p hysteresis v in (ha) 15 24 40 mv input voltage low high vslh (ha) 5 12 20 mv input voltage high low vshl (ha) -20 -12 -5 mv pwm oscillator (pwm pin) high-level output voltage v oh (pwm) 2.75 3.0 3.25 v low-level output voltage v ol (pwm) 1.2 1.35 1.5 v external capacitor charge current ichg vpwm = 2.1v -120 -90 -65 a oscillator frequency f (pwm) c = 2000pf 22 khz amplitude v (pwm) 1.4 1.6 1.9 vp-p ei+ pin input bias current ib (ctl) -1 1 a common-mode input voltage range vicm 0 vreg-1.7 v input voltage 1 vctl1 output duty 100% 3.0 v input voltage 2 vctl2 output duty 0% 1.35 v input voltage 1l vctl1l design target value. when vreg = 4.7v, 100% 2.82 v input voltage 2l vctl2l design target value. when vreg = 4.7v, 0% 1.29 v input voltage 1h vctl1h design target value. when vreg = 5.3v, 100% 3.18 v input voltage 2h vctl2h design target value. when vreg = 5.3v, 0% 1.44 v continued on next page
LB11620GP no.a1913-3/13 continued from preceding page. ratings parameter symbol conditions min typ max unit hp pin output saturation voltage vhpl i o = 10ma 0.2 0.5 v output leakage current ihpleak v o = 18v 10 a csd oscillator (csd pin) high-level output voltage v oh (csd) 2.7 3.0 3.3 v low-level output voltage v ol (csd) 0.7 1.0 1.3 v external capacitor charge current ichg1 vcsd = 2v -3.15 -2.5 -1.85 a external capacitor discharge curre nt ichg2 vcsd = 2v 0.1 0.14 0.18 a charge/discharge current ratio rcsd charge current /discharge current 15 18 21 times rd pin low-level output voltage vrdl i o = 10ma 0.2 0.5 v output leakage current il (rd) v o = 18v 10 a current limiter circuit (rf pin) limiter voltage vrf rf -gnd 0.225 0.25 0.275 v pwmin pin input frequency f (pi) 60 khz high-level input voltage v ih (pi) 2.0 vreg v low-level input voltage v il (pi) 0 1.0 v input open voltage v io (pi) vreg-0.5 vreg v hysteresis v is (pi) 0.2 0.25 0.4 v high-level input current i ih (pi) vpwmin = vreg -10 0 10 a low-level input current i il (pi) vpwmin = 0v -130 -90 a f/r pin high-level input voltage v ih (fr) 2.0 vreg v low-level input voltage v il (fr) 0 1.0 v input open voltage v io (fr) vreg-0.5 vreg v hysteresis v is (fr) 0.2 0.25 0.4 v high-level input current i ih (fr) -10 0 10 a low-level input current i il (fr) -130 -90 a n1 pin high-level input voltage v ih (n1) 2.0 vreg v low-level input voltage v il (n1) 0 1.0 v input open voltage v io (n1) vreg-0.5 vreg v high-level input current i ih (n1) vn1 = vreg -10 0 10 a low-level input current i il (n1) vn1 = 0v -130 -100 a
LB11620GP no.a1913-4/13 package dimensions unit : mm (typ) 3322a pin assignment sanyo : vct24(3.5x3.5) 3.5 3.5 0.4 0.8 (0.035) 1 2 24 0.5 (0.5) top view side view side view bottom view (0.125) (c0.17) (0.13) 0.25 pd max ta 0 0.8 0.40 0.4 1.2 -30 90 60 30 0 120 0.2 0.6 1.0 ambient temperature, ta -c allowable power dissipation, pd max -w specified circuit board : 40.0 50.0 0.8mm 3 glass epoxy board 1 2 LB11620GP in1 + in2 - in2 + in1 - ul uh vl vh wl wh rf gnd pwm in3 + in3 - rd csd pwmin f/r hp n1 ei + vreg v cc 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
LB11620GP no.a1913-5/13 ? three-phase logic truth table (in = ?h? indicates the state where in + > in - ) f/r = ?l? f/r=?h? output in1 in2 in3 in1 in2 in3 pwm 1 h l h l h l vh ul 2 h l l l h h wh ul 3 h h l l l h wh vl 4 l h l h l h uh vl 5 l h h h l l uh wl 6 l l h h h l vh wl ? pwmin pin input state state high or open output off low output on if the pwm pin is not used, the inpu t must be held at the low level. ? n1 pin input state hp output high or open three hall sensor synthesized output low single hall sensor output explanation of pin functions pin no. pin description 1, 24 3, 2 5, 4 in1 + , in1 - in2 + , in2 - in3 + , in3 - hall sensor inputs from each motor phase. the logic high state indicates that in + > in - . if inputs are provided by a hall effect sensor ic, the comm on-mode input range is expanded by biasing either the + or - input. 6 pwm functions as both the pwm oscillator frequency setting pin and the initial reset pulse setting pin. connect a capacitor between this pin and ground. 7 rd lock (motor constrained) detection state output. this output is turned on when the motor is turning and off when the lock protection function detects that the motor has bee n stopped. this is an open collector output. 8 csd sets the operating time fo r the lock protection circuit. connect a capacitor between this pin and ground. connect this pi n to ground if the lock protection function is not used. 9 pwmin pwm pulse signal input. the output goes to the drive stat e when this pin is low and to the off state when this pin is h igh or open. to use this pin for control, a ctl amplifier input such that the toc pin voltage goes to the 100% duty state must be provided. 10 f/r forward/reverse control input 11 hp hall signal output (hp output). this pr ovides either a single hall sensor output or a synthesized 3-sensor output. 12 n1 hall signal output (hp output) selection 13 ei+ ctl amplifier + (no inverting) input. the pwmin pin must be held at the low level to use this input for motor control 14 vreg 5v regulator output (used as the control circuit pow er supply. a low-voltage protection circuit is built in.) connect a capacitor between this pin and ground for stabilization. 15 v cc power supply. connect a capacitor between this pin and gr ound to prevent noise and other disturbances from affecting this ic. 16 gnd ground 17 rf output current detection. the current detection resistor (rf) voltage is sensed by th e rf pin to implement current detection. the maximum output current is set by rf to be iout = 0.25/rf. 22 20 18 uh vh wh outputs (pwm outputs). these are push-pull outputs. 23 21 19 ul vl wl outputs these are push-pull outputs.
LB11620GP no.a1913-6/13 hall sensor signal input/output timing chart f/r = " l " in1 in2 in3 uh ul vl wl wh vh f/r = " h " in1 in2 in3 uh ul vl wl sections shown in gray are pwm output periods. wh vh
LB11620GP no.a1913-7/13 block diagram and application example 1 bipolar transistor drive (high side pwm) using a 5v power supply vm 5v gnd v cc rf wl vl ul uh vreg v cc vh wh + - in3 + ctl vreg hp ei + pwm pwmin + + + pwm osc pwm in pri driver curr lim control logic vreg lvsd comp csd osc rd f/r n1 hp logic hall hys amp in2 + in1 + in1 f/r in3 - in2 - in1 - vreg rd csd hall logic
LB11620GP no.a1913-8/13 application example 2 54 mos transistor drive (low side pwm) using a 12v single-voltage power supply vm(12v) gnd tr tr tr v cc rf wh vh uh ul vreg v cc vl wl + - in3 + vreg hp ei + pwm pwmin + + pwm osc pwm in pri driver curr lim control logic vreg lvsd comp csd osc rd f/r n1 hp logic hall hys amp in2 + in1 + in1 f/r in3 - in2 - in1 - vreg rd csd hall logic
LB11620GP no.a1913-9/13 application example 3 mos transistor drive (low side pwm) using a v cc = 12v, vm = 24v power supply system v cc (12v) gnd v cc rf wh vh uh ul vreg v cc vl wl + - in3 + vreg hp ei + pwm pwmin + vm(24v) + + pwm osc pwm in pri driver curr lim control logic vreg lvsd comp csd osc rd f/r n1 hp logic hall logic hall hys amp in2 + in1 + in1 f/r in3 - in2 - in1 - vreg rd csd
LB11620GP no.a1913-10/13 application example 4 mos transistor drive (low side pwm) using a 24v single-voltage power supply gnd v cc rf wh vh uh ul vreg v cc vl wl + - in3 + vreg hp ei+ pwm pwmin + vm(24v) + pwm osc pwm in pri driver curr lim control logic vreg lvsd comp csd osc rd f/r n1 hp logic hall logic hall hys amp in2 + in1 + in1 f/r in3 - in2 - in1 - vreg rd csd
LB11620GP no.a1913-11/13 pin functions pin no. pin name function equivalent circuit 24 1 2 3 4 5 in1- in1+ in2- in2+ in3- in3+ hall input pin. in+ > in- to ?h?, in+ < in- to ?l?. connect the capacitor between in+ and in- when the noise of the hall signal becomes a problem. v cc 24 2 4 1 3 5 6 pwm functions as both the pwm oscillator frequency setting pin and the initial reset pulse setting pin. connect a capacitor between this pin and ground. it is possible to set it to about 22khz with c=2000pf. vreg 6 7 rd lock (motor constrained) detection state output. this output is turned on when the motor is turning and off when the lock protection function detects that the motor has been stopped. 11 hp hall signal output pin. two kinds of outputs can be selected by setting the n1 pin. vreg 7 11 8 csd sets the operating time for the lock protection circuit. connect a capacitor between this pin and ground. connect this pin to ground if the lock protection function is not used. vreg 8 9 pwmin pwm pulse signal input. the output goes to the drive state when this pin is low and to the off state when this pin is high or open. to use this pin for control, a ctl amplifier input such that the toc pin voltage goes to the 100% duty state must be provided. 10 f/r forward/reverse control input. vreg 9 10 12 n1 hall signal output (hp output) selection. vreg 12 continued on next page
LB11620GP ps no.a1913-12/13 continued from preceding page. pin no. pin name function equivalent circuit 13 ei+ ctl amplifier + (no inverting) input. the pwmin pin must be held at the low level to use this input for motor control. v cc 13 14 vreg stabilizing supply output pin. (5v output) connect a capacitor between this pin and ground for stabilization. (about 0.1 f level) v cc 14 15 vcc power supply. connect a capacitor between this pin and ground to prevent noise and other disturbances from affecting this ic. 16 gnd ground 17 rf output current sensing pin. the low resistance is connected between rf and gnd. it sets it by output maximum current iout=0.25/rf. vreg 17 18 19 20 21 22 23 wh wl vh vl uh ul output pin. (driving external tr output) the duty is controlled on uh, vh, and wh side. v cc 18 19 20 21 22 23
LB11620GP ps no.a1913-13/13 sanyo semiconductor co.,ltd. assumes no responsib ility for equipment failures that result from using products at values that exceed, even momentarily, rate d values (such as maximum ra tings, operating condition ranges, or other parameters) listed in products specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. sanyo semiconductor co.,ltd. strives to supply high-qual ity high-reliability products, however, any and all semiconductor products fail or malfunction with some probabi lity. it is possible that these probabilistic failures or malfunction could give rise to acci dents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause dam age to other property. when designing equipment, adopt safety measures so that these kinds of accidents or e vents cannot occur. such measures include but are not limited to protective circuits and error prevention c ircuits for safe design, redundant design, and structural design. upon using the technical information or products descri bed herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable f or any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. information (including circuit diagr ams and circuit parameters) herein is for example only; it is not guaranteed for volume production. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equi pment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. in the event that any or all sanyo semiconductor c o.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities conc erned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any in formation storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. this catalog provides information as of february, 2 011. specifications and information herein are subject to change without notice.

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