A4985SETTR-T - Allegro MicroSystems

Manufacturer Part Number

A4985SETTR-T

Manufacturer

Allegro MicroSystems

Introduction

The A4985SETTR-T is a highly integrated dual full-bridge motor driver IC designed for use in bipolar stepper motor applications.

Product Features and Performance

Integrated power stage and control logic

Wide supply voltage range of 3V to 5.5V

Output current up to 1A per bridge

Microstepping with 1, 1/2, 1/4, and 1/8 step resolutions

Overcurrent, overtemperature, and undervoltage protection

Internal free-wheeling diodes

Shutdown and sleep modes

Product Advantages

Compact 32-pin QFN package

Easy to use with minimal external components

Robust protection features

Configurable microstep resolutions

Key Technical Parameters

Supply voltage: 3V to 5.5V

Output current: 1A per bridge

Microstepping resolutions: 1, 1/2, 1/4, 1/8 steps

Operating temperature: -20°C to 150°C

Quality and Safety Features

RoHS3 compliant

Overcurrent, overtemperature, and undervoltage protection

Internal free-wheeling diodes

Compatibility

The A4985SETTR-T is compatible with bipolar stepper motors.

Application Areas

General-purpose stepper motor control

Industrial automation

Robotics

Printers and scanners

Medical equipment

Product Lifecycle

The A4985SETTR-T is a currently available and actively supported product from Allegro MicroSystems.

Several Key Reasons to Choose This Product

Highly integrated solution with minimal external components

Wide supply voltage range and high output current

Configurable microstepping resolutions for precise motor control

Robust protection features for reliable operation

Compact 32-pin QFN package for space-constrained designs