Ordering number: EN3515A Monolithic Digital IC LB1638, 1638M Low-Saturation Bidirectional Motor Drive for Low-Voltage Applications Overview Package Dimensions The LB1638, 1638M are low-saturation bidirectional motor driver ICs for use in low-voltage applications. At an IO of 500 mA, they have a low saturation output of VO (sat) = 0.75 V. They are especially suited for use in compact motor of portable equipment. unit : mm 3098B-DIP10S [LB1638] Features . Low voltage operation (2.5 V min.) . Low saturation voltage (upper transistor + lower transistor voltage; at I = 500 mA, V (sat) = 0.75 V typ.) . residual Low current drain at standby mode (I = 0.1 µA typ. or less) . Separate logic power supply and motor power supply . Brake function . Built-in spark killer diodes . Compact package (MFP-10S) suited for surface mounting. O O CCO SANYO : DIP10S unit : mm 3086A-MFP10S [LB1638M] SANYO : MFP10S SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 73096HA(II)/7190TA(GTPS) No.3515-1/4 LB1638, 1638M Specifications Absolute Maximum Ratings at Ta = 25 °C Parameter Maximum supply voltage Output applied voltage Input applied voltage Ground pin flow-out current Allowable power dissipation Symbol Conditions Ratings Unit VCC max –0.3 to +10.5 V VS max –0.3 to +10.5 V –0.3 to VS + VF V –0.3 to +10.0 V VOUT VIN IGND Pd max 1.0 A LB1638 1.0 W LB1638M: Independent IC 440 mW 550 mW Operating temperature Topr LB1638M: *With board –20 to +75 °C Storage temperature Tstg –40 to +125 °C * Specified board (30 × 30 × 1.5 mm3 glass epoxy) Allowable Operating Ranges at Ta = 25 °C Parameter Supply voltage range Symbol Conditions Ratings Unit VCC 2.5 to 9.0 V VS 2.2 to 9.0 V Input high-level voltage VIH 2.0 to 9.0 V Input low-level voltage VIL –0.3 to +0.7 V Electrical Characteristics at Ta = 25 °C, VCC = VS = 3 V Parameter Current drain Output saturation voltage (upper + lower) Output pin voltage difference Output sustain voltage Input current [Spark killer diode] Reverse current Forward voltage Symbol ICC0 ICC1 ICC2 VOUT1 VOUT2 VO (sus) IIN Conditions VIN 1, 2 VIN 1 = 3 V, VIN 2 = 0 V VIN 1, 2 = 3 V IOUT = 200 mA IOUT = 500 mA IO = 200 mA IOUT = 500 mA VIN = 7 V, VCC = 7 V IS (leak) VSF VCC, VS = 7 V IOUT = 200 mA min typ ICC + IS ICC + IS ICC + IS 0.25 0.70 max 10 20 40 0.5 1.3 0.1 0.5 Unit µA mA mA V V V V mA 10 1.7 µA V 9 Pin Assignment Top view Note: both ground pins must be grounded. No.3515-2/4 LB1638, 1638M Truth Table IN 1 IN 2 OUT 1 OUT 2 Mode H L H L Forward Reverse L H L H H H L L Brake L L OFF OFF Standby Controller Sample Application Circuit Reverse current, IS − mA Output saturation voltage, VO (sat) − V Note: When using the same power supply for VS and VCC, short the VCC and VS pins to each other or insert a capacitor in the VCC line. Output current, IO − A Brake Forward / Reverse Power supply voltage, VS − V No.3515-3/4 Current drain, ICC − A Input current, IIN − µA LB1638, 1638M Brake Forward / Reverse Allowable power dissipation, Pd − mW Input voltage, VIN− V Supply voltage, VCC − V Glass epoxy resin Independent IC Ambient temperature, Ta − °C No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: 1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: 2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of July, 1996. Specifications and information herein are subject to change without notice. No.3515-4/4