A3977SLPTR - ALLEGRO

Manufacturer Part Number

A3977SLPTR

Manufacturer

Allegro Microsystems

Introduction

The A3977SLPTR is a highly integrated bipolar stepper motor driver that incorporates a durable DMOS power stage, a built-in translator, and a pure decay mode for smooth motor operation. It is capable of driving two-phase bipolar stepper motors in full-, half-, 1/4-, or 1/8-step modes, making it a versatile and reliable solution for a wide range of general-purpose applications.

Product Features and Performance

Bipolar stepper motor driver with built-in translator and pure decay mode

Supports full-, half-, 1/4-, and 1/8-step resolution

Output current up to 2.5A per phase

Wide supply voltage range of 3V to 5.5V

Wide load voltage range of 8V to 35V

Operating temperature range of -20°C to 150°C

Surface-mount 28-TSSOP package with exposed pad for efficient thermal dissipation

Product Advantages

Highly integrated design reduces external component count and simplifies system implementation

Pure decay mode ensures smooth motor operation

Wide supply and load voltage ranges accommodate a variety of application requirements

Robust DMOS power stage and wide temperature range enable reliable performance in demanding environments

Key Reasons to Choose This Product

Proven performance and reliability for general-purpose stepper motor applications

Flexible step resolution options to optimize motor control

Efficient thermal management through exposed pad package

Cost-effective and easy-to-implement solution

Quality and Safety Features

Robust DMOS power stage

Thermal shutdown and overcurrent protection

Compatibility

The A3977SLPTR is compatible with a wide range of bipolar stepper motors and can be used in various general-purpose applications.

Application Areas

Industrial automation

Robotics

Medical equipment

Office automation

Printing and imaging systems

Product Lifecycle

The A3977SLPTR is an obsolete product, meaning it is no longer in active production. However, there are alternative models available that may provide similar functionality and performance. Customers are advised to contact our website's sales team for more information on available options and possible replacements.