Ordering number : ENA0294A LB8682PL Monolithic Digital IC For Camera Cell Phone Motor Driver Two Saturated Drive Channels and One Constant-Current Drive Channel Overview The LB8682PL is a motor driver IC that has a two saturated drive channels and one constant-current drive channel. Its compact, low-profile package makes it ideal for use in cell phone cameras. Using direct microcontroller drive, and the control of the shutter and the motor for the AF(Auto-Focus) drive, etc.. Functions • Constant voltage control for AF (H-Bridge × 2ch) • Constant current control for shutter. (H-Bridge × 1ch) • Built-in thermal protection circuit • Built-in reference voltage circuit (0.2V typical) • Built-in spark killer diodes Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Output voltage Input voltage Symbol VCC max VOUT max VIN max GND pin source current Allowable power dissipation IGND Pd max Conditions Ratings OUT1 to OUT6 ENA1 to ENA2, IN1 to IN4 Unit -0.3 to +8.0 V VCC+VSF V -0.3 to +8.0 V Per channel 300 mA When mounted on a circuit board* 830 mW Operating temperature Topr -20 to +75 °C Storage temperature Tstg -40 to +125 °C * On the specified circuit board: 40.0mm×50.0mm×0.8mm, four-layer 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. 31908 MS B8-9172 / 31407 MS OT 20051221-S00001 No.A0294-1/6 LB8682PL Allowable Operating Ranges at Ta = 25°C Parameter Symbol Conditions Ratings Unit Supply voltage VCC 2.2 to 7.5 V Constant-current setting range IOUT 50 to 200 mA High-level input voltage VIH Low-level input voltage VIL ENA1 to ENA2, IN1 to IN4 1.5 to 7.5 V -0.3 to +0.5 V Electrical Characteristics at Ta = 25°C, VCC = 3.3V Parameter Symbol Ratings Conditions min Current drain Input current ICC0 ENA1 = ENA2 = IN3 = IN4 = 0V ICC1 ENA1 = ENA2 = 3V ICC2 IIN typ Unit max 0.1 1 µA 13.5 20.0 mA IN3orIN4 = 3V IO = 200mA RF = 1Ω 5.0 8.5 mA VIN = 3V 60 90 µA Saturated drive driver (OUT1, OUT2, OUT3, and OUT4) Output saturation voltage1 VSAT11 IOUT = 100mA 0.22 0.32 V VSAT12 IOUT = 200mA 0.42 0.62 V 95 100 105 mA 238 250 262 mA Constant-Current drive driver (OUT5 and OUT6) Constant-current output1 IOUT1 Constant-current output2 IOUT2 Output saturation voltage Between RFG and ground: 2Ω Between RFG and ground: 0.8Ω, VSAT21 VCC = 5V IOUT = 100mA 0.18 0.27 V VSAT22 IOUT = 200mA 0.35 0.53 V 1 µA 1.7 V 200 °C Spark killer diode Reverse current IS (leak) Forward voltage VSF IOUT = 200mA Other circuits Thermal protection detection TTSD (Design specification) 160 180 temperature No.A0294-2/6 LB8682PL Package Dimensions unit : mm (typ) 3321 Pd max -- Ta Allowable power dissipation, Pd max -- mW 1000 BOTTOM VIEW 13 18 19 12 0.4 3.5 0.35 0.35 3.5 24 0.75 TOP VIEW 7 6 1 0.75 0.0NOM TOP VIEW 0.85MAX 0.2 Substrate: 40.0×50.0×0.8mm3 glass epoxy 4-layer substrate 830 800 600 415 400 200 0 -20 0 20 40 60 75 80 100 Ambient temperature, Ta -- °C SANYO : VQLP24(3.5X3.5) RFG1 RFG2 VCC (NC) (NC) SGND Pin Assignment 18 17 16 15 14 13 OUT3 22 9 ENA2 OUT2 23 8 IN1 OUT1 24 7 ENA1 1 2 3 4 5 6 (NC) 10 IN2 (NC) OUT4 21 (NC) 11 IN3 VCC OUT5 20 (NC) 12 IN4 PGND OUT6 19 Top view No.A0294-3/6 LB8682PL Block Diagram VCC 1µF VCC Logic and control block OUT1 80kΩ 60kΩ ENA1 Stepping Motor OUT2 80kΩ 60kΩ OUT3 Logic and control block IN1 Thermal shutdoun circuit 80kΩ 60kΩ IN3 OUT5 VCC RL 0.2V OUT6 Reference voltage 4700pF Constant current control amplifier 80kΩ 60kΩ IN4 OUT4 80kΩ 60kΩ IN2 Logic block CPU 80kΩ 60kΩ ENA2 S-GND P-GND RFG2 RFG1 RF This capacitor may be required depending on the mechanical shutter used. Usage Notes • The constant-current level is set with the resistor RF. The formula for calculating the current is shown below. Constant-current level = 0.2 ÷ RF • Connect capacitors between VCC and ground to reduce the amount of motor noise that enters the power supply. No.A0294-4/6 LB8682PL Truth Table Output ENA2 IN2 Low * Low * High IN3 IN4 OUT1 OUT2 OUT3 OUT4 OFF OFF OFF OFF High Low Low High Low High Low High Low High High Low High OUT5 Mode OUT6 Standby Saturated IN1 Low Low OFF OFF Low High Low High High Low High Low High High OFF OFF Standby current ENA1 Constant Input Forward Reverse OFF *: don't care, OFF: hi-impedance. Timing Chart ENA IN1 IN2 IN3 IN4 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 • The waveforms shown for OUT1 to OUT4 are for a 2-phase excitation stepping motor driver. • In the constant-current driver waveforms for OUT5 and OUT6, the high-side transistor is saturated and the low-side transistor is not saturated. • The broken lines in the figure represent the off state. No.A0294-5/6 LB8682PL 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 March, 2007. Specifications and information herein are subject to change without notice. PS No.A0294-6/6