LB1938FA SANYO | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 5

Technical content

Features

  • Ultraminiature Micro8 package
  • The low saturation voltage means that the voltage applied to the motor is higher and IC heat generation is reduced. This allows this IC to be used in environments with higher ambient operating temperatures. Output saturation voltage (high side + low side): VOsat = 0.15V typical (IO = 100mA)
  • The wide usable voltage range and the low standby mode current drain of 0.1 µA make this IC optimal for battery operated equipment.
  • There are no constraints on the relationship between the input signal voltage and the supply voltage. For example, this IC can be use at VCC = 3V and VIN = 5V.
  • Thermal protection circuit limits the drive current and prevents the IC from causing a fire or being destroyed if the IC chip temperature reaches or exceeds 180°C due to large currents flowing when the outputs are shorted due to, for example, motor layer shorting or other phenomena. Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Supply voltage V CC max 10.5 V Output current I OUT max 800 mA Output voltage V OUT max VCC+VSF V Input applied voltage V IH max 10 V Continued on next page. Monolithic Digital IC 1ch, Low-saturation Forward/Reverse Motor Driver

No.A2041-2/5 Continued from preceding page. Parameter Symbol Conditions Ratings Unit Allowable power dissipation Pd max Mounted on a specified board * 400 mW Operating temperature range Topr -30 to +85 °C Storage temperature range Tstg -55 to +150 °C Note *: Mounted on a specified board: 114.3mm×76.1mm×1.5mm, glass epoxy resin, wiring density 20% 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. Allowable Operating Range at Ta = 25°C Parameter Symbol Conditions Ratings Unit Supply voltage V CC 2.2 to 10 V Input high-level voltage V IH 2.0 to 9.5 V Input low-level voltage V IL -0.3 to +0.3 V Electrical Characteristics at Ta = 25°C, VCC = 3V Parameter Symbol Conditions Ratings Unit min typ max Circuit current I CC1 Standby 0.1 5 μA ICC2 Forward/reverse drive 14 19 mA ICC3 Brake 20 29 mA Output saturation voltage V Osat1 Upper+lower I O = 100mA for forward/reverse rotation 0.15 0.2 V VOsat2 Upper+lower I O = 300mA for forward/reverse rotation 0.35 0.5 V VOsat3 Upper I O = 100mA for braking 0.1 0.15 V Spark killer diode forward voltage V SF I O = 300mA 0.9 1.7 V Spark killer diode inverse current I RS V OUT = 10V 0.1 5 μA Input current I IN V IN = 5V 75 98 μA Thermal protection operating temperature TSD Design target value * 180 °C Note *: Design target value: Measurement with a single unit not made. Package Dimensions unit : mm (typ) 3427 Pd max - Ta Allowable Power Dissipation, Pd max - mW Ambient Temperature, Ta - C Mounted on a specified board 114.3mm×76.1mm×1.5 mm, glass epoxy resin 700 600 500 400 300 100 200 1200-30 60 30 90 208 SANYO : Micro8 3.0 0.33 0.18 0.65 4.9 0.08 3.0 0.55

1.1 MAX

No.A2041-3/5 Pin Assignment S-GND: GND for the control system P-GND: GND for the power system Truth Table IN1 IN2 OUT1 OUT2 Mode L L OFF OFF Standby H L H L Forward rotation L H L H Reverse rotation H H H H Brake Sample Application Circuit Cautions:

  • VCC and GND lines suffer substantial fluctuation in the current quantity, causing a problem of line oscillation in certain cases. In this case, take following points into account: (1) Use a thick and short wiring to reduce the wiring inductance. (2) Insert a capacitor with satisfactory frequency characteristics near IC. (3) Connect S-GND to the control system GND on the CPU side and P-GND to the power system GND. VCC 1 IN1 IN2 S-GND P-GND OUT1 OUT2 NC Top view LB1938FA VCC OUT1 IN1 OUT2 IN2 P-GND S-GND M CPU Control block 6

No.A2041-4/5 0.1 0.5 0.3 0.4 0.2 5002000 300 100 400 VO(sat) - IO Output saturation voltage, VO(sat) - V Output current, IO - mA VCC = 3V VO(sat) - Ta Output saturation voltage, VO(sat) - V Ambient temperature, Ta - °C 0.1 0.5 0.3 0.4 0.2 14020 40-40 -20 60 80 1000 120 14020 40-40 -20 60 80 1000 120 IO = 300mA IO = 100mA VCC = 3V ICC - Tc Current drain, ICC - mA Case temperature, Tc - °C Brake mode VCC = 5V Forward or reverse mode, V CC = 5V 104306 58 7219 ICC - VCC Current drain, ICC - mA Supply voltage, VCC - V Brake mode VCC = VIN IN1 IN2Forward or reverse mode 104306 58 7219 IIN - VIN Input voltage, VIN - V 160 120 VCC = 3V 1404020-40 60 100 800-20 120 ICC Standby Mode Temperature Characteristics Case temperature, Tc - °C 1404020-40 60 100 800-20 120 Case temperature, Tc - °C 2.0 1.6 1.2 0.8 0.4 VCC = 11V 0.29 IN Pin Input Current Temperature Characteristics 100 VIN = 5V

No.A2041-5/5 PS This catalog provides information as of April, 2012. Specifications and info rmation herein are subject to change without notice. SANYO Semiconductor Co.,Ltd. assumes no responsib ility 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-reliab ility pr oducts, 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 dam age 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. 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. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equip ment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. 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.