A3985 - Digitally Programmable Dual Full-Bridge MOSFET Driver

Product Overview

Allegro MicroSystems

Datasheet Details

Part number	A3985
Manufacturer	Allegro MicroSystems
File Size	772.75 KB
Description	Digitally Programmable Dual Full-Bridge MOSFET Driver
Datasheet	A3985 Datasheet
Additional preview pages of the A3985 datasheet.

Product details

Description

The A3985 is a flexible dual full-bridge gate driver suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors or 2-phase brushless dc motors.

Features

Serial interface for full digital control.
Dual full-bridge gate drive for N-channel MOSFETs.
Dual 6-bit DAC current reference.
Operation over 12 to 50 V supply voltage range.
Synchronous rectification.
Cross-conduction protection.
Adjustable mixed decay.
Fixed off-time PWM current control.
Low-current idle mode.

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Other Datasheets by Allegro MicroSystems

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Published: Mar 31, 2007 |