A4979GLPTR-T - Allegro MicroSystems

Manufacturer Part Number

A4979GLPTR-T

Manufacturer

allegro-microsystems

Introduction

The A4979GLPTR-T is a fully integrated motor driver from Allegro Microsystems, designed for driving bipolar stepper motors. It combines control and power stages in one compact package.

Product Features and Performance

Fully integrated driver for bipolar stepper motors

Supports half-bridge output configuration

SPI and Step/Direction interface options

Utilizes DMOS technology for efficient performance

Offers step resolution options of 1, 1/2, 1/4, 1/16 for precise control

Operates over a wide voltage supply range of 3V to 5.5V

Can drive loads with voltages from 7V to 50V

High temperature operational range from -40°C to 150°C (TJ)

Product Advantages

Integration of control and power stage simplifies design and reduces external component count

Flexible step resolution enhances motor control precision

Wide voltage capabilities enable use with various power supplies and motors

High-temperature endurance ensures reliability in demanding applications

Key Technical Parameters

Current Output: 1.5A

Voltage Supply: 3V ~ 5.5V

Voltage Load: 7V ~ 50V

Operating Temperature: -40°C ~ 150°C (TJ)

Packaging: Tape & Reel (TR)

Package / Case: 28-TSSOP (0.173", 4.40mm Width) Exposed Pad

Quality and Safety Features

Built with robust DMOS technology for reliability

High-temperature resistance enhances safety in various operating conditions

Compatibility

Versatile supply and load voltage ranges suitable for a variety of stepper motors

Application Areas

Suitable for general-purpose applications involving bipolar stepper motor driving

Product Lifecycle

Status: Active

Not currently near discontinuation, with ongoing support and availability

Several Key Reasons to Choose This Product

Combines control and power stage for streamlined application design

High precision in motor control with variable step resolution

Reliable operation across broad voltage and temperature ranges

Supports a wide array of stepper motors, enhancing adaptability

Active product lifecycle status ensures long-term support and availability