A4928 Datasheet Automotive Half-Bridge MOSFET Driver

Manufacturer: Allegro MicroSystems

Overview: A4928 Automotive Half-Bridge MOSFET Driver.

A4928 automotive half-bridge mosfet driver by Allegro MicroSystems - Datasheet Preview

Datasheet Details

Part number	A4928
Manufacturer	Allegro MicroSystems
File Size	1.99 MB
Description	Automotive Half-Bridge MOSFET Driver
Download	A4928 Download (PDF)

General Description

The A4928 is an N-channel power MOSFET driver capable of controlling MOSFETs connected in a half-bridge arrangement and is specifically designed for automotive applications with high-power inductive loads, such as brush DC motors solenoids and actuators.

The A4928 is intended for automotive systems that must meet ASIL requirements.

In common with other Allegro A2SIL™ products, this device incorporates

Key Features

Half-bridge MOSFET driver.
Bootstrap gate drive for N-channel MOSFET bridge.
Cross-conduction protection with adjustable dead time.
Charge pump regulator for low supply voltage operation.
5.5 to 50 V supply voltage operating range.
5 V CMOS Logic I/O.
SPI-compatible serial interface.
Bridge control by direct logic inputs or serial interface.
Programmable gate drive.
Current sense amplifier.

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