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. d2408 ms/73098ha (kt)/n3093ts/6247ki, ts no.2575-1/5 LB1641 overview the LB1641 is a bidirectional motor driver ic. since it has a 2-input logic circuit and performs the functions of bidirectional driving and braking, it is capable of direct driving 6v, 9v, 12v motors. the output voltage can be varied by using an external zener diode. features ? 2-input logic can be used to exercise control of bidirectional driving and braking. ? on-chip elements to absorb dash current of motor. ? input interfaceable to mos lsi. ? output voltage variable by use of external zener diode. specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v cc max 18 v input voltage v in -0.3 to v cc v output circuit i out 1.6 a allowable power dissipation pd max 1.2 w operating temperature topr -25 to +75 c storage temperature tstg -55 to +125 c recommended operating ranges at ta = 25 c parameter symbol conditions ratings unit v cc 1 7 to 18 v supply voltage v cc 2 5 to 18 v monolithic digital ic bidirectional motor driver orderin g numbe r : en2575e
LB1641 no.2757-2/5 electrical characteristics at ta = 25 c, v cc = 12v ratings parameter symbol conditions min typ max unit input threshold voltage vth r l = 1.1 1.3 1.5 v minimum input on-state current i in r l = 10 15 a output voltage v o r l = 60 ? , v z = 7.4v 6.6 7.2 7.4 v output leakage current i ol pins 5,6 gnd, r l = 0.01 1.0 ma current drain i cc pins 5,6 gnd, r l = 36 1 0m a vsat1 i out = 300ma 1.9 2.2 v saturation voltage (upper) vsat1? i out = 500ma 1.9 2.3 v vsat2 i out = 300ma 0.25 0.5 v saturation voltage (lower) vsat2? i out = 500ma 0.4 0.65 v package dimensions unit : mm (typ) 3043c pin assignment p1out1 v cc 2 out2 p2 v cc 1 v z in2in1 gnd 1 2 3 4 5 6 7 8 9 10 LB1641 top view truth table input output in1 in2 in3 in4 operation 0 0 0 0 braking 1 0 1 0 forward (reverse) drive 0 1 0 1 reverse (forward) drive 1 1 0 0 braking input level 1 : 2.0v or greater 0 : 0.7v or less sanyo : sip10 0.5 0.25 2.54 (0.62) (6.5) 7.7max 11 0 24.0 1.1 1.5 1.2 4.9 3.25 -25 0 25 50 75 100 0 1.4 0.8 0.6 0.4 0.2 pd max -- ta 1.2 1.0 ambient temperature, ta -- c allowable power dissipation, pd max -- w
LB1641 no.2757-3/5 block diagram 2 8 10 3 9 7 4 6 5 1 p1 out1 v cc 2 out2 p2 v cc 1 v z in2 in1 gnd input logic circuit predriver test circuit v a a 0.01f sw r l v cc 1,2=12v v in v z 7.4v 5 4 6 3 LB1641 271098 1 sample application circuit : 6v motor circuit v cc =12v m 10 8 79 10? 6.8zd in1 in2 0.01f 0.1f 654321 LB1641 87
LB1641 no.2757-4/5 0 6 5 4 3 1 2 8 7 20 24 0 4 8 12 16 0 2.4 1.6 0.8 4.0 3.2 1.6 1.2 2.0 0 0.4 0.8 0 6 5 3 4 2 1 8 7 120 80 160 040 0 1.0 0.8 0.6 0.4 0.2 1.6 1.4 1.2 1.6 1.2 2.0 0 0.4 0.8 v cc = 12v v cc = 12v 0 12 8 10 6 4 2 18 14 16 16 12 20 048 -40 v cc = 18v i out = 0.3v i cc -- v cc vsat1 -- i o vsat2 -- i o i cc -- ta v o -- v z supply voltage, v cc -- v current drain, i cc -- ma current drain, i cc -- ma ambient temperature, ta -- c saturation voltage, vsat1 -- v saturation voltage, vsat2 -- v output current, i o -- a output current, i o -- a output voltage, v o -- v zener voltage, v z -- v
LB1641 ps no.2575-5/5 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. this catalog provides information as of december, 2008. specifications and inform ation herein are subject to change without notice.
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