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 electronics 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. 22509 ms / 80699rm(ki) no.6192-1/9 lb1947 overview the lb1947 is a pwm current control type bidirectional motor driver ic. features ? pwm current control (fixed off time) ? selectable current decay pattern (fast, slow, and mix decay modes) ? simultaneous on prevention function (feed-through current prevention) ? built-in thermal shutdown circuit ? built-in noise canceler specifications absolute maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum motor supply voltage v bb max 50 v output peak current i o peak t w 20 s 2.25 a output continuous current i o max 2.0 a logic supply voltage v cc max 7.0 v logic input voltage range v in -0.3 to v cc v emitter output voltage v e max 1.1 v reference voltage v ref -0.3 to v cc v allowable power dissipation pd max 1.6 w operating temperature topr -20 to +85 c storage temperature tstg -55 to +150 c monolithic digital ic pwm current control type bidirectional motor driver orderin g numbe r : en6192b
lb1947 no.6192-2/9 allowable operating ranges at ta = 25 c parameter symbol conditions ratings unit motor supply voltage v bb 10 to 45 v logic supply voltage v cc 4.75 to 5.25 v reference voltage v ref 0 to v cc -2 v electrical characteristics at ta = 25 c, v cc = 5v ratings parameter symbol conditions min typ max unit output block i bb on no-load state, forward 0.4 0.6 1.0 ma i bb br no-load state, brake 0.2 0.4 0.8 ma i bb off no-load state, output off 0.2 0.4 0.8 ma output stage supply current i bb wt no-load state, standby mode 0.1 ma v o sat1 i o = +1.0a, sink 1.2 1.5 v v o sat2 i o = +2.0a, sink 1.6 1.9 v v o sat3 i o = -1.0a, source 1.8 2.2 v output saturation voltage v o sat4 i o = -2.0a, source 2.1 2.4 v i o 1(leak) v o = v bb , sink 50 a output leak current i o 2(leak) v o = 0v, source -50 a output sustain voltage v sus l = 3.9mh, i o = 2.0a, design guarantee value* 50 v logic block i cc on in1: high, in2: low, st: high 11 16 21 ma i cc br in1: low, in2: high, st: high 11 16 21 ma i cc off in1: low, in2: low, st: high 11 16 21 ma logic supply current i cc wt st: low 1.0 2 3.0 ma v in h 2 v input voltage v in l 0.8 v i in h v in = 5v 60 90 120 a input current i in l v in = 0.8v 6 10 13 a sensing voltage v e 0 1 . 1v sensing voltage 25h v eh 25 vi = high, v ref = 2.5v 0.970 1.0 1.030 v sensing voltage 25l v el 25 vi = low, v ref = 2.5v 0.483 0.5 0.513 v sensing voltage 15h v eh 15 vi = high, v ref = 1.5v 0.385 0.4 0.410 v sensing voltage 15l v el 15 vi = low, v ref = 1.5v 0.190 0.2 0.210 v sensing voltage 05h v eh 05 vi = high, v ref = 0.5v 0.190 0.2 0.210 v sensing voltage 05l v el 05 vi = low, v ref = 0.5v 0.092 0.1 0.108 v reference current iref v ref = 1.0v -0.5 +0.5 a cr pin current i cr -1.56 -1.3 -1.04 ma v md h v cc -0.3 v v md m 0.3v cc v cc -1.0 v md pin voltage v md l .0.4 v i md h md = v cc -0.5v, cr = 1.0v -1.0 +1.0 a md input current i md l md = 0.4v, cr = 2.0v -5.0 a thermal shutdown temperature tsd design guarantee value* 170 c * design guarantee value, do not measurement.
lb1947 no.6192-3/9 package dimensions unit : mm (typ) 3249 -20 0 20 40 60 80 100 0 2.0 1.6 1.2 0.8 0.4 pd max -- ta 85 ambient temperature, ta -- c allowable power dissipation, pd max -- w pin assignment 1 out a e out a vi st v bb v cc in1 2 3 4 5 6 7 8 9 10 11 12 13 in2 v ref cr md gnd lb1947 top view sanyo : sip13hj (12.8) (10.0) 0.5 (0.8) 2.0 25.6 ( 2.0) 3.4 c0.7 16.4 max 2.0 min 3.0 min 12.2 (13.9) 3.5 1 13 0.4 1.2 1.15 2.4 2
lb1947 no.6192-4/9 block diagram 12 8 9 5 4 10 3 1 6 2 11 13 7 out a e out a vi st v bb v cc in1 in2 v ref cr md gnd control logic circuit current select circuit one-shot multi- blanking time thermal shutdown circuit uvlo truth table in1 in2 st vi md out a out a operating mode h l h h l h l forward, 2/5 times, fast h l h h m h l forward, 2/5 times, mix h l h h h h l forward, 2/5 times, slow h l h l l h l forward, 1/5 times, fast h l h l m h l forward, 1/5 times, mix h l h l h h l forward, 1/5 times, slow h h h h l l h reverse, 2/5 times, fast h h h h m l h reverse, 2/5 times, mix h h h h h l h reverse, 2/5 times, slow h h h l l l h reverse, 1/5 times, fast h h h l m l h reverse, 1/5 times, mix h h h l h l h reverse, 1/5 times, slow l h h h l l l brake, 2/5 times, fast l h h h m l l brake, 2/5 times, mix l h h l l l l brake, 1/5 times, fast l h h l m l l brake, 1/5 times, mix l h h x h l l brake, no current limiting l l h x x off off output off x x l or open x x off off standby mode (circuit off) except for md pin, low at input open. md m: determined by external voltage.
lb1947 no.6192-5/9 pin function pin no. pin name function equivalent circuit 1 3 out a out a output pin. 2 e sense voltage control pin. 4 vi high: sense voltage is 2/5 of v ref low: sense voltage is 1/5 of v ref 5 st high: circuit operation on low: standby mode 8 in1 high: rotation mode low: brake mode 9 in2 high: reverse mode low: forward mode 4 50k? 40k? v cc 100a vi 6 v bb motor power supply voltage. 7 v cc logic power supply voltage. 10 v ref output current setting reference pin. setting range: 0 to (v cc ? 2v) 10 40k? v cc 5a v ref 3s 1s 11 cr oscillator with self-excitation. 12 md current attenuation switching pin. low : fast decay high: slow decay m : mix decay m is set by external power supply voltage. range : 1.1 to 4.0v 13 gnd ground pin
lb1947 no.6192-6/9 sample application circuits 1. forward/reverse motor with current limiter 12 8 9 5 4 10 3 1 6 2 11 13 7 out a e out a vi st v bb v cc in1 in2 v ref cr md gnd re 5v 24v m control logic circuit current select circuit one-shot multi- blanking time thermal shutdown circuit uvlo *schottky barrier type for external diodes. limiter current setting method i = v ref / (5 re) in1 in2 st out a out a mode h l h h l forward h h h l h reverse l h h l l brake l l h off off output off ? ? l off off standby mode
lb1947 no.6192-7/9 2. forward/reverse motor 12 8 9 5 4 10 3 1 6 2 11 13 7 out a e out a vi st v bb v cc in1 in2 v ref cr md gnd 5v 24v m *schottky barrier type for external diodes. control logic circuit current select circuit one-shot multi- blanking time thermal shutdown circuit uvlo in1 in2 st out a out a mode h l h h l forward h h h l h reverse l h h l l brake l l h off off output off ? ? l off off standby mode
lb1947 no.6192-8/9 3. pwm current control forward/reverse motor (mix decay) 12 8 9 5 4 10 3 1 6 2 11 13 7 out a e out a vi st v bb v cc in1 in2 v ref cr md gnd re 5v 24v m control logic circuit current select circuit one-shot multi- blanking time thermal shutdown circuit uvlo *schottky barrier type for external diodes.
lb1947 ps no.6192-9/9 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 probability. 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. notes on usage 1. vref pin because the vref pin serves for input of the set current re ference voltage, precautions against noise must be taken. 2. gnd pin the ground circuit for this ic must be designed so as to allow for high-current switching. blocks where high current flows must use low-impedance patterns and must be removed from small-signal lines. especially the ground connection for the sensing resistor re at pin e, and the ground connection for the schottky barrier diodes should be in close proximity to the ic ground. the capacitors between v cc and ground, and v bb and ground should be placed close to the v cc and v bb pins, respectively. 3. cr pin setting (switching off time, noise cancel time) the noise cancel time (tn) and the switching off time (toff) are set by the following expressions: noise cancel time: tn c r ln {(1.0 ? ri) / (4.0 ? ri) [sec] cr charge current: 1.3ma switching off time: toff ? c r ln (1.0 / 4.8) [sec] internal configuration at cr pin c:1000pf r:5.1k ? e1 v cc line one-shot multi-blanking time circuit cr constant range: r = 4.7k to 100k ? c = 330pf to 2200pf this catalog provides information as of february, 2 009. specifications and information herein are subject to change without notice.
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