A5979GLPTR-T - Allegro MicroSystems

Manufacturer Part Number

A5979GLPTR-T

Manufacturer

allegro-microsystems

Introduction

The A5979GLPTR-T is a fully integrated motor driver combining controller and power stage designed to drive bipolar stepper motors with advanced control options.

Product Features and Performance

Integrated H-Bridge for bipolar stepper control

DMOS technology for higher efficiency and improved thermal performance

Wide operating voltage range (8V to 40V) for versatile applications

High output current capability up to 2.8A

Configurable step resolution (1, 1/2, 1/4, 1/16) enhancing precision

Extended operating temperature range from -40°C to 150°C

Logic interface for simplified control integration

Product Advantages

Compact 28-TSSOP package saves PCB space

Integrated design reduces external component count

High reliability with overtemperature protection

Operates across a wide range of supply voltages for various applications

Key Technical Parameters

Voltage Supply: 3V to 5.5V

Voltage Load: 8V to 40V

Current Output: 2.8A

Operating Temperature: -40°C to +150°C

Step Resolution Options: 1, 1/2, 1/4, 1/16

Quality and Safety Features

Thermal shutdown and under-voltage lockout for safety

Overcurrent protection to prevent motor and driver damage

Compatibility

Suitable for a wide range of bipolar stepper motors

Logic interface compatible with standard microcontroller outputs

Application Areas

General Purpose stepper motor applications

Robotics, CNC machines, and precise positioning systems

Product Lifecycle

Active product status; not nearing discontinuation

Continued support and availability from allegro-microsystems

Several Key Reasons to Choose This Product

High integration level simplifies design and accelerates time-to-market

Advanced safety features ensure reliability and extend product life

Flexible step resolution provides precise motor control

High thermal performance enables operation in challenging environments

Broad compatibility with microcontrollers and stepper motors makes implementation versatile