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Allegro MicroSystems' A3908 bi-directional DC motor driver provides output currents of up to 500 mA in portable and instrumentation applications. The Pb-free component accepts a typ. input voltage range from 3 to 5.500 V. The full-bridge output incorporates source side linear operation to allow a constant voltage supply across the motor coil. Two logic inputs control the motor direction of rotation, brake and standby (<500 nA supply current) modes, and allow optional PWM of the sink drivers. Internal protection circuitry includes thermal shutdown, undervoltage lockout and crossover (shoot through) protection. The A3908 comes in a 2 × 2 × 0.575 mm nominal, 8-lead DFN package with an exposed thermal pad.

Allegro MicroSystems, Inc.
http://www.allegromicro.com