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Allegro introduces a full-bridge motor driver designed to drive low voltage bipolar brushless DC motors. Commutation of the motor is achieved by use of a single Hall element sensor to detect the rotational position of an alternating-pole ring magnet. A high density CMOS semiconductor process allows the integration of all the necessary electronics. This includes the Hall element sensor, the motor control circuitry, and the full output bridge. Low-voltage design techniques have been employed to achieve device functionality down to 1.8 V VDD. This fully integrated single chip solution provides enhanced reliability (including reverse battery protection and output short circuit protection) and eliminates the need for any external support components.

www.allegromicro.com 508-853-5000     
Allegro MicroSystems, Inc.
http://www.allegromicro.com