LB1638_08

Ordering number : EN3515C Monolithic Digital IC LB1638 LB1638M Overview Low-Voltage, Low-Saturation Bidirectional Motor Driver The LB1638, LB1638M are low-saturation bidirectional motor driver ICs for use in low-voltage applications. At an IO of 500mA, they have a low saturation output of VO(sat) = 0.75V. They are especially suited for use in compact motor of portable equipment. Features • Low voltage operation (2.5V min.) • Low saturation voltage (upper transistor + lower transistor residual voltage; at IO = 500mA, VO(sat) = 0.75V typ.) • Low current drain at standby mode (ICCO = 0.1µA typ. or less) • Separate logic power supply and motor power supply • Brake function • Built-in spark killer diodes Specifications Parameter Absolute Maximum Ratings at Ta = 25°C Symbol VCC max VS max Output applied voltage Input applied voltage Ground pin flow-out current Allowable power dissipation VOUT VIN IGND Pd max LB1638 LB1638M: Independent IC LB1638M: Mounted on a specified board Operating temperature Storage temperature Topr Tstg Conditions Ratings -0.3 to +10.5 -0.3 to +10.5 -0.3 to VS+VF -0.3 to +10.0 1.0 1.0 440 550 -20 to +75 -40 to +125 Unit V V V V A W mW mW °C °C Maximum supply voltage * Specified board: 30mm × 30mm × 1.5mm, glass epoxy board. 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D0308 MS/73096HA(II)/7190TA(GTPS) No.3515-1/4 LB1638,1638M Allowable Operating Conditions at Ta = 25°C Parameter Supply voltage range Symbol VCC VS Input high-level voltage Input low-level VIH VIL Conditions Ratings 2.5 to 9.0 2.2 to 9.0 2.0 to 9.0 -0.3 to +0.7 Unit V V V V Electrical Characteristics at Ta = 25°C, VCC = 5V Parameter Current drain Symbol ICC0 ICC1 ICC2 Output saturation voltage (upper + lower) Output pin voltage difference Output sustain voltage Input current Spark killer diode Reverse current Forward voltage IS(leak) VSF VCC, VS = 7V IOUT = 200mA 10 1.7 µA V VO(sus) IIN VOUT1 VOUT2 VIN1,2 VIN1 = 3V, VIN2 = 0V VIN1,2 = 3V IOUT = 200mA IOUT = 500mA IO = 200mA IOUT = 500mA VIN = 7V, VCC = 7V 9 0.5 Conditions min ICC + IS ICC + IS ICC + IS 0.25 0.70 Ratings typ max 10 20 40 0.5 1.3 0.1 µA mA mA V V V V mA Unit Package Dimensions unit : mm (typ) 3098D 9.14 10 6 Package Dimensions unit : mm (typ) 3086B 0.63 1.7max 4.4 0.15 (0.5) 5.0 10 6 7.62 6.4 0.95 0.25 1 5 1 5 3.9 MAX (3.0) 3.2 0.35 1.0 0.51 MIN 0.1 (1.5) SANYO : MFP10S(225mil) 1.78 0.48 (1.01) SANYO : DIP10S(300mil) 6.4 No.3515-2/4 LB1638,1638M 1200 Pd max -- Ta LB1638 Allowable power dissipation, Pd max -- mW 1000 800 600 550 440 400 LB1638M: 30×30×1.5mm3, glass epoxy board. LB1638M: Independent IC 200 0 -20 0 Ambient temperature, Ta -- °C 20 40 60 75 80 100 Pin Assignment GND 1 IN1 2 VCC 3 IN2 4 GND 5 10 NC 9 OUT1 LB1638 LB1638M 8 VS 7 OUT2 6 NC Note: both ground pins must be grounded. Truth Table IN1 H L H L IN2 L H H L OUT1 H L L OFF OUT2 L H L OFF MOde Forward Reverse Brake Standby Block Diagram and Sample Application Circuit M OUT1 9 VS VCC 8 3 7 OUT2 IN1 2 Controller IN2 4 1 GND 5 GND 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. No.3515-3/4 LB1638,1638M VO(sat) -- IO 1.4 Output saturation voltage, VO(sat) -- V 1.2 VCC = VS = 3V Ta = 25°C 30 IS -- VS VCC = VIN = 3V Ta = 25°C Brake 25 1.0 Reverse current, IS -- mA 20 0.8 15 0.6 Forward / Reverse 10 0.4 0.2 5 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 0 1 2 3 4 5 6 7 8 Output current, IO -- A 500 IIN -- VIN Power supply voltage, VS -- V 12 ICC -- VCC VCC = VS = 3V Ta = 25°C 400 10 VCC = VIN = 3V Ta = 25°C Input current, IIN -- µA Current drain, ICC -- A 8 300 Br 6 ak e 200 4 100 ard Forw 2 / Rev erse 0 0 0 1 2 3 4 5 6 7 8 Input voltage, VIN -- V Power supply voltage, VS -- V 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. 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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 December, 2008. Specifications and information herein are subject to change without notice. PS No.3515-4/4