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A1441SELLT-T(2005) Datasheet PDF - Allegro MicroSystems

A1441 image

Part Name
A1441SELLT-T

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4 Pages

File Size
147.8 kB

MFG CO.
Allegro
Allegro MicroSystems Allegro

The A1441 is 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 position of an alternating-pole ring magnet. A high density merged Bipolar-CMOS semiconductor process allows the integration of the Hall element on the same IC as the motor control circuitry, providing a single-chip solution for enhanced reliability. All necessary circuitry is incorporated within the device package, eliminating the need for any external support components.


FEATUREs and Benefits
■ Single-chip solution for high reliability
■ Chopper stabilization technique for precise signal response over operating range
■ 2.0 to 4.0 V operation
■ Sleep mode pin allowing external logic signal enable/disable to reduce average power consumption
■ Restart feature
■ Small package size


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