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| Ordering number : ENA1338 Monolithic Digital IC LA1909M Overview Stepping Motor Driver IC The LB1909M is a 2-channel low saturation voltage forward/reverse motor driver that can operate on a wide supply voltage range (2.5V to 16V). The IC is ideal for use in 2-phase excitation drive of general-purpose 2-phase bipolar stepping motors including dampers for refrigerators. Features * Wide supply voltage range : 2.5V to 16V * Low saturation voltage : VO(sat) = 0.25V typ at IO = 200mA. * Built-in shoot-through current protection circuit. * No standby current consumption (or zero). * Built-in thermal shutdown circuit. * Small package : MFP10S (225mil) Specifications Absolute Maximum Ratings at Ta = 25C Parameter Maximum power source voltage Applied output voltage Applied input voltage GND pin outflow current Allowable power consumption Symbol VCC max VOUT max VIN max IGND Pd max Independent IC Mounted on the specified board * Operating temperature Storage temperature Topr Tstg Conditions Ratings -0.3 to +20 -0.3 to +20 -0.3 to +18 800 350 870 -30 to +85 -40 to +150 Unit V V V mA mW mW C C * Specified board: 114.3mm x 76.1mm x 1.6mm, glass epoxy board. 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 equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications 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 no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. 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. O2908 MS 20081015-S00004 No.A1382-1/4 LB1909M Allowable Operating Range at Ta = 25C Parameter Supply voltage Input high level voltage Input low level voltage Symbol VCC VIH VIL Pins ENA, IN1, IN2 Conditions Ratings 2.5 to 16 1.8 to 10 -0.3 to +0.7 Unit V V V Electrical Characteristics at Ta = 25C, VCC = 12V Parameter Power source current Symbol ICC0 ICC1 Output saturation voltage VOUT1 VOUT2 Input current Thermal protection block *1 Thermal shutdown operation temperature Temperature hysteresis width Spark killer diode Reverse current orward voltage IS(leak) VSF IOUT = 400mA 30 1.7 A V Ttsd 60 C Ttsd Design guarantee *2 180 C IIN ENA = L ENA = H IOUT = 200mA IOUT = 400mA VIN = 5V Conditions min Ratings typ 0.1 25 0.25 0.50 120 max 10 35 0.35 0.75 160 A mA V V A Unit *1 The thermal protection function is a feature to prevent the product from smoking and firing under unusual conditions. It is not intended to guarantee operation of the product under an ambient temperature exceeding the operating temperature range. *2 Design guarantee is not tested in individual units. Package Dimensions unit : mm (typ) 3086B 1.0 Pd max -- Ta Specified board : 114.3x76.1x1.6mm3 glass epoxy board 10 6 0.63 5.0 Allowable power dissipation, Pd max -- W 0.87 0.8 4.4 6.4 0.6 0.45 0.4 0.35 Independent IC 1.7max 1 5 0.15 0.2 0.1 (1.5) 0.18 0.35 1.0 (0.5) 0 -30 -20 0 20 40 60 80 85 100 Ambient temperature, Ta -- C SANYO : MFP10S(225mil) No.A0000-2/4 LB1909M Pin Assignment VCC 1 10 OUT1 LB1909M ENA 2 IN1 3 IN2 4 NC 5 9 OUT2 8 OUT3 7 OUT4 6 GND Top view Truth table Input ENA L IN1 IN2 OUT1 OFF H L L H OUT2 OFF L H H L L H Channel 2 Output OUT3 OFF OUT4 OFF Standby mode Channel 1 Forward Reverse Forward Reverse Remarks x L H x H Block Diagram VCC 1 Thermal shutdown circuit 30k ENA 2 Control block circuit 100k 10 9 OUT1 Motor OUT2 35k IN1 3 100k 35k 8 7 OUT3 IN1 4 100k OUT4 6 GND No.A0000-3/4 LB1909M Timing Chart (2 phase excitation drive) ENA IN1 IN2 Channel 1 output Standby Forward Reverse Forward Reverse Forward Standby Channel 2 output Reverse Forward Reverse Forward Reverse SANYO Semiconductor Co.,Ltd. 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 Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality 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 accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents 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 or all SANYO Semiconductor Co.,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 concerned 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 consent of SANYO Semiconductor 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 Semiconductor Co.,Ltd. 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. Upon using the technical information or products described 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 for 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. This catalog provides information as of October, 2008. Specifications and information herein are subject to change without notice. PS No.A1338-4/4 |
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