A3977SEDTR -

Manufacturer Part Number

A3977SEDTR

Manufacturer

Allegro Microsystems

Introduction

The A3977SEDTR is a fully integrated stepper motor driver from Allegro Microsystems. It features a DMOS power stage capable of driving bipolar stepper motors with up to 2.5A of output current per phase. The device includes a microstepping indexer that provides 1, 1/2, 1/4, and 1/8 step resolutions. The A3977SEDTR is designed for general-purpose stepper motor control applications.

Product Features and Performance

Bipolar stepper motor driver

5A output current per phase

3V to 5.5V logic supply voltage

8V to 35V load supply voltage

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

Integrated current control

Adjustable slow decay mode

Thermal shutdown protection

Undervoltage lockout

Product Advantages

Fully integrated stepper motor driver solution

Wide supply voltage range

Precise microstepping control

Robust thermal and overcurrent protection

Key Reasons to Choose This Product

Reliable and efficient stepper motor control

Flexibility in step resolution for precise motion control

Comprehensive protection features for safe and reliable operation

Ease of integration into a wide range of applications

Quality and Safety Features

Thermally enhanced package for improved heat dissipation

Robust overcurrent and thermal shutdown protection

Compatibility

The A3977SEDTR is designed for use with bipolar stepper motors in general-purpose applications.

Application Areas

Industrial automation

Medical equipment

Office automation

Consumer electronics

Product Lifecycle

The A3977SEDTR is an obsolete product. Customers should contact our website's sales team for information on equivalent or alternative products that may be available.