Ordering number : ENA0650A Bi-CMOS LSI Two Constant-current H-Bridge Driver channels LV8082LP Overview The LV8082LP is a two-channel constant-current driver that supports low-voltage operation. It is optimal for constant-current drive of stepping motors (AF and Shutter) in portable equipment such as camera cell phones. Features • Two constant-current H-bridge driver channels • Built-in power supply switch and position detection comparator for use with a photoreflector • Supports both 2-phase drive and 1-2 phase drive. • Implemented in a low-power MOS IC process. • Ultraminiature easy to solder VCT16 package (2.6 × 2.6mm) • Built-in thermal protection and low-voltage sensing circuits Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Output voltage Symbol VOUT max Input voltage VIN max Ground pin source current Allowable power dissipation Conditions VCC, VM max IGND Pd max Ratings Unit 6.5 OUT1, OUT2, OUT3, OUT4 IN V 6.5 V -0.3 to +6.5 V Per channel 400 mA Mounted on a circuit board.* 700 mW Operating temperature Topr -30 to +85 °C Storage temperature Tstg -40 to +150 °C * Specified circuit board : 50×40×0.8mm3 : 4-layer (2S2P) glass epoxy printed circuit 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. MS PC 20070201-S00003 / 31407 MS PC 20061127-S00001 No.A0650-1/6 LV8082LP Allowable Operating Ratings at Ta = 25°C Parameter Symbol Supply voltage VCC High-level input voltage VIH Low-level input voltage VIL Conditions Ratings IN Unit 2.5 to 6.0 V 0.53VCC or more V Up to 0.2VCC V Electrical Characteristics at Ta = 25°C, VCC = 3.0V Parameter Symbol Ratings Conditions min Current drain Output on resistance Unit typ max ICCO IN = 0V 0.1 1 µA ICCO1 IN = 3V 0.7 1 mA Ron1 VCC = 3.0V (High and low side total) IN = 3.0V, IOUT = 100mA 2.0 3.0 Ω Ron2 VCC = 5.0V (High and low side total) IN = 5.0V, IOUT = 100mA 1.50 2.0 Ω 1.94 2.0 2.06 V 95 100 105 mA 190 200 210 mA 1.5 3 µs 0.2 0.65 µs 1.3 1.37 V Constant-voltage output 1 VOUT1 VC = 1V, VCC = 3.0V Constant-current output 1 IOUT1 Between RFG and ground : 1Ω Constant-current output 2 IOUT2 Between RFG and ground : 0.5Ω (Design specification) Output turn-on time Traise With RFG1 and RFG2 shorted to ground (Design specification) Output turn-off time Tfall With RFG1 and RFG2 shorted to ground (Design specification) Comparator threshold high-level VH voltage Comparator threshold Low-level VL 0.86 0.91 V voltage Comparator hysteresis Vhys Input current 0.39 IIN VIN = 3V V 15 30 µA Note : The design specification items are design guarantees and are not measured. Package Dimensions Pin Assignment unit : mm (typ) 3318 (VCT16) TOP VIEW SIDE VIEW BOTTOM VIEW (0.125) VM VCC VC 16 15 14 13 OUT1 1 12 COMPIN OUT2 2 11 GND OUT3 3 10 COMPOUT OUT4 4 9 (0.13) 2.6 PGND 16 0.4 2.6 (C0.116) 2 1 0.5 LASER MARKED INDEX (0.55) SIDE VIEW 6 7 IN3 IN4 8 IN1 Top View 0.8 (0.035) 0.25 5 RFG IN2 SANYO : VCT16(2.6X2.6) No.A0650-2/6 LV8082LP Block Diagram VCC IN1 IN2 AF (VCM) IN3 L O G I C IN4 PGND VCC SH VCM VC 0.1V 1.3V LVS COMPIN TSD COMPOUT GND RFG PCA01164 Constant-voltage calculation : VOUT = VC × 2 Example : When an VOUT of 2V is required, VC must be 1V Constant-current calculation : IOUT = 0.1 ÷ RF Example : When an IOUT of 100mA is required, RF must be 1Ω. Usage Notes The constant current is set by the resource RF connected between RFG and ground according to the formula shown above. Truth Table Input IN1 IN2 Output IN3 IN4 OUT1 OUT2 Low Low Off Off Low High Low High High Low High Low High High Low Low Low Low Low Low Low Low Low High Off Off Mode OUT3 OUT4 Standby mode Off Off Channel 1, constant voltage, reverse Channel 1, constant voltage, forward Channel 1, brake mode Off Off Low High Standby mode Channel 2, constant voltage, reverse High Low High Low Channel 2, constant voltage, forward High High Low Low Channel 2, brake mode Note : When off, a high-impedance state. • Channel 1 functions as a constant voltage block (OUT1 and OUT2). Channel 2 functions as a constant-current block (OUT3 and OUT4). • The IC goes to the standby state with a low-level input, and to the operating state with a high-level input. • When the control inputs are both high, the IC switches to brake mode. No.A0650-3/6 LV8082LP Timing Chart (1) Constant voltage channel timing chart IN1 H H L IN2 L H H Forward Brake Reverse IN3 H H IN4 L H H Forward Brake Reverse OUT1/2 Standby Standby (2) Constant current channel timing chart OUT3/4 Standby Standby No.A0650-4/6 LV8082LP Photosensor Position Detection Application Circuit Example (a) Application circuit Sensor power supply VCC Microcontroller power supply 10kΩ Tr COMPIN COMPOUT IC internal circuits : Position detection circuit IC peripheral circuits : Position sensor block (b) Timing chart VCC IN 1.3V Hysteresis : 0.39 V COMPIN Transistor drive region Microcontroller power supply COMPOUT No.A0650-5/6 LV8082LP 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 May, 2007. Specifications and information herein are subject to change without notice. PS No.A0650-6/6