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Ordering number:EN2575B
Monolithic Digital IC
LB1641
Bidirectional Motor Driver
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.
Package Dimensions
unit:mm 3043A-SIP10
[LA1641]
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
Absolute Maximum Ratings at Ta = 25C
Parameter Maximum supply voltage Input voltage Output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VIN IOUT Pd max Topr Tstg Conditions
SANYO : SIP10
Ratings 18 -0.3 to VCC 1.6 1.2 -25 to +75 -55 to +125 Unit V V A W
C C
Operating Conditions at Ta = 25C
Parameter Supply voltage Symbol VCC1 VCC2 Conditions Ratings 7 to 18 5 to 18 Unit V V
Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other parameters) listed in products specifications of any and all SANYO products described or contained herein.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
73098HA (KT)/N3093TS/6247KI, TS No.2575-1/4
LB1641
Operating Characteristics at Ta = 25C
Parameter Input threshold voltage Minimum input on-state current Output voltage Output leakage current Current drain Saturation voltage (upper) Saturation voltage (lower) Symbol Vth IIN VO IOL ICC Vsat1 Vsat1 Vsat2 Vsat2 RL= RL= RL=60, VZ=7.4V Pins5, 6 GND, RL= Pins5, 6 GND, RL= VCC=12V, IOUT=300mA VCC=12V, IOUT=500mA VCC=12V, IOUT=300mA VCC=12V, IOUT=500mA 3 6.6 Conditions Ratings min 1.1 typ 1.3 10 7.2 0.01 6 1.9 1.9 0.25 0.4 max 1.5 15 7.4 1.0 10 2.2 2.3 0.5 0.65 Unit V A V mA mA V V V V
Truth Table
Input IN1 0 1 0 1 IN2 0 0 1 1 0 1 0 0 Output OUT1 OUT2 0 0 1 0 Operation Braking Forward (reverse) drive Reverse (forward) drive Braking
Input level
1 : 2.0V or greater 0 : 0.7V or less
Test Circuit
Sample Application Circuit : 6V motor circuit
No.2575-2/4
LB1641
Equivalent Circuit Block Diagram
No.2575-3/4
LB1641
Specifications of any and all SANYO 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's products or equipment. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any and all SANYO products described or contained herein fall under strategic products (including services) controlled under the Foreign Exchange and Foreign Trade Control Law of Japan, such products must not be exported without obtaining export license from the Ministry of International Trade and Industry 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 information storage or retrieval system, or otherwise, without the prior written permission of SANYO Electric Co. , Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of July, 1998. Specifications and information herein are subject to change without notice.
PS No.2575-4/4

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