A5989 Datasheet Bipolar Stepper and High-Current DC Motor Driver

Manufacturer: Allegro MicroSystems

A5989 bipolar stepper and high-current dc motor driver by Allegro MicroSystems - Datasheet Preview

Datasheet Details

Part number	A5989
Manufacturer	Allegro MicroSystems
File Size	1.16 MB
Description	Bipolar Stepper and High-Current DC Motor Driver
Download	A5989 Download (PDF)

General Description

The A5989 is designed to operate at voltages up to 40 V while driving one bipolar stepper motor at currents up to 1.6 A, and one DC motor at currents up to 3.2 A.

The A5989 includes a fixed off-time pulse-width modulation (PWM) regulator for current control.

The stepper motor driver

Overview

A5989 Bipolar Stepper and High-Current DC Motor Driver.

Key Features

40 V output rating.
3.2 A DC motor driver.
1.6 A bipolar stepper driver.
Synchronous rectification.
Internal undervoltage lockout (UVLO).
Thermal shutdown circuitry.
Crossover-current protection.
Very thin profile QFN package.
Overcurrent protection.
Low-power sleep mode.
3.3 and 5 V compatible logic supply.

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