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A4957 Datasheet - Allegro

Full Bridge MOSFET Driver

A4957 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 PACKAGE: 24-contact

A4957 General 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. A unique charge pump regulator provides full ( >10 V ) gate drive for battery voltages down to 7 V and allows the.

A4957 Datasheet (1.13 MB)

Preview of A4957 PDF

Datasheet Details

Part number:

A4957

Manufacturer:

Allegro

File Size:

1.13 MB

Description:

Full bridge mosfet driver.

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TAGS

A4957 Full Bridge MOSFET Driver Allegro

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