Ordering number : ENA1945B Bi-CMOS integrated circuit LV8549M 12V Low Saturation Voltage Drive Stepping Motor Driver Overview The LV8549M is a stepping motor driver IC of low saturation voltage. It is optimal for motor drive in 12V system product a 2-phase bipolar stepping motor. Functions • DMOS output transistor adoption (Upper and lower total RON=1Ω typ) • The compact package (MFP-10S) is adopted. • VCC max=20v, IO max=1A • For one power supply (The control system power supply is unnecessary.) • Current consumption 0 when standing by Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum power supply voltage VCC max -0.3 to +20 Output impression voltage VOUT -0.3 to +20 V V Input impression voltage VIN -0.3 to +6 V GND pin outflow current IGND For ch 1.0 A Allowable Power dissipation Pd max * 1.05 W Operating temperature Topr -30 to +85 °C Storage temperature Tstg -40 to +150 °C *: When mounted on the specified printed circuit board (57.0mm ×57.0mm × 1.6mm), glass epoxy, both sides Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time. Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current, high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details. Recommended Operating Range at Ta = 25°C Parameter Symbol Conditions Ratings Unit Power supply voltage VCC 4.0 to 16 V Input “H” level voltage VINH +1.8 to +5.5 V Input “L” level voltage VINL -0.3 to +0.7 V 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. 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 new introduction or other application different from current conditions on the usage of automotive device, communication device, office equipment, industrial equipment etc. , please consult with us about usage condition (temperature, operation time etc.) 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. 92111 SY 20110825-S00005/51111 SY/33011 SY 20110307-S00002 No.A1945-1/5 LV8549M Electrical Characteristics at Ta = 25°C, VCC = 12V Ratings Parameter Symbol Conditions Unit min Power supply voltage ICC0 Standby mode ENA=L ICC1 ENA=H typ max 1.7 Input current IIN VIN=5V Thermal shutdown operating Ttsd Design certification Width of temperature hysteria ΔTtsd Design certification Low voltage protection function VthVCC 1 μA 2.3 mA 30 50 65 μA 150 180 210 °C 3.3 3.5 3.65 3.55 3.8 3.95 V 0.7 1 1.25 Ω 10 μA 1.0 1.2 V temperature °C 40 V operation voltage Release voltage Vthret Output ON resistance RON IOUT=1.0A Output leak current IOleak VO=16V Diode forward voltage VD ID=1.0A (Upper and lower total) Package Dimensions unit : mm (typ) 3086B Pd max - Ta 1.5 4.4 6.4 6 1.7max 5 0.15 0.1 (1.5) 1 Allowable power dissipation, Pd max -- W 0.63 5.0 10 0.35 1.0 (0.5) SANYO : MFP10S(225mil) Specified circuit board: 57.0 × 57.0 × 1.6mm3 Two layer glass epoxy board 1.05 1.0 0.55 0.5 0 -30 0 30 60 90 120 Ambient temperature, Ta -- C Pin Assignment 10 OUT1 ENA 2 9 OUT2 IN1 3 IN2 4 NC 5 LV8549M VCC 1 8 OUT3 7 OUT4 6 GND No.A1945-2/5 LV8549M Block Diagram VCC H-side PRE LVS OUT1 OUT2 ENA L-side PRE IN1 INPUT LOGIC VCC IN2 H-side PRE OUT3 M OUT4 L-side PRE TSD VREF GND Pin function Pin No. 1 Pin name VCC Pin function Power-supply voltage pin. VCC voltage is impressed. The permissible operation voltage is from 4.0 to 16.0(V). The capacitor is connected for stabilization for GND pin (6pin). Motor drive control input pin. It shifts from the stand-by state to a prescribed output operation corresponding to the state of the input when the ENA pin becomes a standby mode by L, the circuit current can be adjusted to 0, and it makes it to H. It is a digital input, and the range of L level input is 0 to 0.7(V) and the range of H level input are 1.8 to 5.5(V). PWM can be input. Pull-down resistance 100(kΩ) is built into in the terminal. Motor drive control input pin. Driving control input pin of OUT1 (10pin) and OUT2 (9pin). PWM can be input. With built-in pull-down resistance. Motor drive control input pin. Driving control input pin of OUT3 (8pin) and OUT4 (7pin). PWM can be input. With built-in pull-down resistance. 2 ENA 3 IN1 4 IN2 5 6 7 NC GND OUT4 8 OUT3 Driving output pin. The motor coil is connected between terminal OUT4 (7pin). 9 OUT2 Driving output pin. The motor coil is connected between terminal OUT1 (10pin). 10 OUT1 Driving output pin. The motor coil is connected between terminal OUT2 (9pin). Equivalent Circuit 5VREG Ground pin. Driving output pin. The motor coil is connected between terminal OUT3 (8pin). VCC OUT1 (OUT3) OUT2 (OUT4) No.A1945-3/5 LV8549M Operation explanation 1. STM output control logic ENA L H Input IN1 IN2 OUT1 L H H L L L H H OFF H L L H Output OUT2 OUT3 OFF L H H L State OUT4 OFF H H L L OFF L L H H Stand-by Step 1 Step2 Step3 Step4 2. About the switch time from the stand-by state to the state of operation When ENA pin are "L", this IC has completely stopped operating. After the time of reset (about 7μs of an internal setting) it shifts to a prescribed output status corresponding to the state of the input when the signal enters the ENA pin. ENA ON ENA IN1 (*IN1 and IN2 are Full-Step input) IN2 OUT1 (OUT2 is a reverse phase of OUT1) OUT3 (OUT4 is a reverse phase of OUT3) Stand-by state Excitation drive of two phase (RESET time) 3. Example of current wave type in each excitation mode when stepping motor parallel input is controlled. IN1 IN2 (%) 100 I1 0 -100 100 I2 0 -100 Step1 Step2 Step3 Step4 No.A1945-4/5 LV8549M Application Circuit Example 6 GND 7 OUT4 8 OUT3 9 OUT2 OUT1 10 M C1 IN1 IN2 NC 4 5 ENA 2 3 VCC 1 LV8549M + Logic input * Bypass capacitor (C1) connected between VCC-GND of all examples of applied circuit recommends the electric field capacitor of 0.1μA to 10μA. Confirm there is no problem in operation in the state of the motor load including the temperature property about the value of the capacitor. Mount the position where the capacitor is mounted on nearest IC. 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. 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 September, 2011. Specifications and information herein are subject to change without notice. PS No.A1945-5/5