Ordering number : ENA1550 Bi-CMOS LSI Two channels Constant-current H-bridge Driver LV8081GQ Overview The LV8081GQ is a two-channel constant-current driver that supports low-voltage operation. It is optimal for constant-current drive of stepping motors (AF and zoom) in portable equipment such as camera cell phones. Features • Two channels constant-current H-bridge driver • Built-in position detection comparator, SW for the photo reflector (independent control) • Supports both 2 phase excitation drive and 1-2 phase excitation drive. • Implemented in a low-power MOS IC process. • Ultraminiature easy to solder UCT16 package (2.6 × 2.6 × 0.6mm) • Built-in thermal shutdown circuit and Low voltage shutdown circuit. • 1.8V input interface with battery supply. • OUT1-3 short , OUT2-4 short and REG1-2 is short-circuited, and it is possible to correspond as 1ch driver. Specifications Absolute Maximum Ratings at Ta = -30 to 85°C(It becomes a design certification excluding 25℃.) 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 OUT1, OUT2, OUT3, OUT4 CONT, IN Per channel Mounted on a circuit board.* Ratings Unit 6.5 V 6.5 V -0.3 to +6.5 V 400 mA 700 mW Operating temperature Topr -30 to +85 °C Storage temperature Tstg -40 to +150 °C * Specified circuit board : 40×50×0.8mm3 : 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. 82609 SY 20071126-S00002 No.A1550-1/9 LV8081GQ Allowable Operating Ratings at Ta = -30 to 85°C(It becomes a design certification excluding 25℃.) Parameter Symbol Supply voltage Conditions Ratings Unit VCC Renge of fixed corrent setting IO 100mA or more is the design certification. High-level input voltage VIH CONT, IN Low-level input voltage VIL 2.5 to 6.0 V 70 to 250 mA 1.25 to VCC V -0.3 to 0.5 V Electrical Characteristics at VCC = 3.0V ,Ta = -30 to 85°C(It becomes a design certification excluding 25℃.) Parameter Symbol Ratings Conditions min Current drain Output on resistance Constant-current output Unit typ max ICCO IN = 0V 0.1 1 μA ICCO1 IN = 3V 0.7 1 mA ICCO2 VCC = 6.5V, IN = 6.5V 0.85 1.1 mA Ron1 VCC = 3.0V (High and low side total) EN = 3.0V, IOUT = 100mA 2.0 3.0 Ω Ron2 VCC = 5.0V (High and low side total) EN = 5.0V, IOUT = 100mA 1.50 2.0 Ω IOUT1 Between RFG and ground : 1Ω IOUT2 Between RFG and ground : 0.5Ω 94 100 106 mA 188 200 212 mA (Design specification) Output turn-on time Trise With RFG1 and RFG2 shorted to ground 1.3 3 μs Output turn-off time Tfall With RFG1 and RFG2 shorted to ground 0.25 0.7 μs Position detection voltage VH 1.0 1.06 V (high level) Position detection voltage VL 0.74 0.8 0.165 V (low level) Detection voltage hysteresis 0.18 0.195 V Comparator input current value ICOMPIN HYS VCOMPIN = 0V 0.15 0.3 μA Comparator output saturation VOcomp IO = 0.5mA 0.12 0.21 V RonPIPR IO = 10mA 17 voltage PI/PR pin resistance PI/PR pin current 32 Ω 20 mA 50 85 μA 120 155 μA IPI/PR Input current IIN1 VIN = 3V IIN2 VIN = 6.5V Note : The design specification items are design guarantees and are not measured. Package Dimensions unit : mm (typ) 3341 (0.125) 2.6 0.4 2.6 (0.13) (C0.116) 16 0.5 2 1 (0.55) 0.25 (0.035) 0.6 SIDE VIEW Pd max -- Ta 1.0 BOTTOM VIEW Allowable power dissipation,Pd max - W SIDE VIEW TOP VIEW 0.8 0.7 0.6 0.4 0.36 0.2 0 -30 SANYO : UCT16(2.6X2.6) Mounted on a specified board : 50.0mm x 40.0mm x 0.8mm glass epoxy 4-layer substrate -10 10 30 50 70 90 Ambient temperature, Ta - C No.A1550-2/9 LV8081GQ Pin Assignment (UCT16) RFG1 VCC 16 15 PI/PR COMPOUT 14 13 OUT1 1 12 COMPIN OUT2 2 11 GND OUT3 3 10 CONT OUT4 4 9 5 6 7 RFG2 IN3 IN4 (Top View) IN2 8 IN1 Block Diagram 0.1uF Micro computer VCC IN1 10k IN 2 10k IN3 10k IN 4 10k 60k 60k 60k 60k OUT1 L O G I C STM OUT2 RFG1 VM OUT3 CONT OUT4 Micon signal 0.1V 1.0V COMPIN LVS COMPOUT PI/PR TSD GND RFG2 PI sensor 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. In the electrostatic destruction diode, the terminal PIPR, and the terminal COMP, other terminals are the upper and lower diode specifications only in a lower diode. No.A1550-3/9 LV8081GQ Truth Table Input IN1 Output IN2 IN3 IN4 CONT Low Low Low Low Low Low High High Low High High - - - - Low High High Low High High High OUT1 OUT2 OUT3 OUT4 COMP & PIPR Off Off OFF Off Off Low High Channel 2, reverse High Low Channel 2, forward Low Low Channel 2, brake mode Off Off Low High High Low Low Low Off Off Mode Standby mode Channel 1, reverse Channel 1, forward Channel 1, brake mode ON Note : The "-" input unstable state. When off, a high-impedance state. • The ENA goes to the standby state with a low-level input, and to the operating state with a high-level input. • The control input switches the forward/reverse mode. • The comparator and PIPR can independently control the terminal CONT. It is irrelevant to the state of IN4 from IN1. Pin Description Pin No. Pin Name Description 1 OUT1 1-4 : Output pins 2 OUT2 H-bridge type output pins 3 OUT3 Pins 1 and 2 are paired and pins 3 and 4 are paired. 4 OUT4 5 RFG2 16 RFG1 Equivalent Circuit VCC 5, 16 : Current sensing resistor connection pins 1 Connect the current sensing resistor between these 2 pins and ground to detect the output currents for constant current control. Pin 16 corresponds to the output from pins 1 and 2 and pin 5 to the output from pins 1 and 2. + 10kΩ 0.1V 6 IN3 7 IN4 8 IN1 9 IN2 10 CONT Logic input pins 5 VCC 6 GND 11 GND Ground Continued on next page. No.A1550-4/9 LV8081GQ Continued from preceding page. Pin No. 12 Pin Name COMPIN Description Equivalent Circuit Photo reflector position sensing comparator input VCC 1kΩ 12 GND 13 COMPOUT Photo reflector position sensing comparator output 1kΩ This pin serves as an open-collector output of the NPN 13 transistor. GND 14 PI/PR A switch, with NMOS open-drain output, used to turn VCC on/off the power supply of the position sensor unit. When using this switch, connect the position sensor unit between this pin and the VCC pin. On/off control of this switch is accomplished by CONT 6 pin. Setting the CONT pin high turns on the switch. GND 15 VCC Power supply pin Timing Chart (1) Stepper motor timing chart Timing chart for 2-phase drive IN1 IN2 IN3 IN4 Channel 1 output mode Standby Channel 2 output mode Standby Forward Reverse Forward Forward Reverse Reverse Forward Forward Standby Reverse Forward Standby No.A1550-5/9 LV8081GQ (2) Timing chart for 1-2 phase drive (Slow decay mode) IN1 IN2 IN3 IN4 Channel 1 output mode Standby Channel 2 output mode Standby Forward Brake Forward Reverse Brake Forward Brake Reverse Brake Forward Standby Standby Photosensor Position Detection Application Circuit Example (a) Application circuit Sensor power supply VCC Microcontroller power supply Tr COMPIN COMPOUT PI/PR IC peripheral circuits : Position sensor block IC internal circuits : Position detection circuit No.A1550-6/9 LV8081GQ (b) Timing chart VCC CONT 1.00V Hysteresis : 0.2 V COMPIN Transistor drive region Microcontroller power supply COMPOUT VCC PI/PR standby conparator and PIPR operation area standby No.A1550-7/9 LV8081GQ ICCO – VCC ICCO1 – VCC 1.0 90 0.9 80 0.8 Current drain, ICCO1 – mA Current drain, ICCO – nA 100 70 60 50 40 30 20 10 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 1 2 3 4 5 6 7 0 0 8 Supply voltage, VCC – V 1 2 3 4 5 6 7 Supply voltage, VCC – V Constant-current output (Between RFG and ground : 1Ω) Output on resistance (High and low side total) 0.105 1.5 1.4 0.104 1.3 1.2 Output current, IO – A 0.103 1.1 Vsat – V 1 0.9 0.8 0.7 0.6 VCC = 3V 0.5 0.4 0.3 0.101 0.1 0.099 0.098 0.097 VCC = 5V 0.2 0.102 0.096 0.1 0 0.095 0 0.1 0.2 0.3 0.4 0.5 0 0.6 Output current, IO – A 3.5 2 3 4 5 6 7 Supply voltage, VCC – V Position detection circuit threshold voltage PI/PR pin current (VCC = 3V/5V) 0.4 0.35 PI/PR pin voltage – V 3 Output voltage, VO – V 1 2.5 2 1.5 1 0.5 0.3 0.25 0.2 VCC = 3V 0.15 VCC = 5V 0.1 0.05 0 0.8 0 0.85 0.9 0.95 1 1.05 Input voltage, VIN – V 0 0.002 0.004 0.006 0.008 0.01 0.012 0.014 0.016 0.018 0.02 PI/PR pin current – A Input current (VIN = 3V) 50 45 Input current, IIN – μA 40 35 30 25 20 15 10 5 0 0 1 2 3 4 5 6 7 Supply voltage, VCC – V No.A1550-8/9 LV8081GQ 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 August, 2009. Specifications and information herein are subject to change without notice. PS No.A1550-9/9