A4957 - Full Bridge MOSFET Driver

Allegro

The A4957 by Allegro is a Full Bridge MOSFET Driver. Below is the official datasheet preview.

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A4957 Full Bridge MOSFET Driver by Allegro - Datasheet Preview — Official preview page of the **A4957** Full Bridge MOSFET Driver datasheet (Allegro).

Datasheet Details

Part number	A4957
Manufacturer	Allegro
File Size	1.13 MB
Description	Full Bridge MOSFET Driver
Datasheet	A4957-Allegro.pdf
Additional preview pages of the A4957 datasheet.

A4957 Product details

Description

The A4957 is a full-bridge controller for use with external N-channel power MOSFETs and is specifically designed for applications with high-power inductive loads such as brush DC motors.

Features

High-current gate drive for N-channel MOSFET full bridge.
Independent control of each MOSFET.
Charge pump for low supply voltage operation.
Cross-conduction protection with adjustable dead time.
4.5 to 50 V supply voltage range.
Diagnostics output.
Low current sleep mode.

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Other Datasheets by Allegro

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Published: Aug 22, 2020 |