A3973SLBTR-T - Allegro MicroSystems

Manufacturer Part Number

A3973SLBTR-T

Manufacturer

allegro-microsystems

Introduction

A precise stepper motor driver integrating control and power stages.

Product Features and Performance

Fully integrated driver for bipolar stepper motors

Serial interface for simple control

DMOS technology for higher efficiency

Step Resolution from full step to 1/64 microstepping

High output current capability of 1A

Designed for a voltage range of 4.5V to 5.5V (supply) and 15V to 35V (load)

Supports a wide operating temperature range of -20°C to 150°C

Product Advantages

Optimized for low voltage and high precision applications

Compact 24-SOIC package for space-sensitive applications

Integrated serial control reduces external component count

Key Technical Parameters

Motor Type - Stepper: Bipolar

Output Configuration: Half Bridge (4 outputs)

Step Resolution: 1 to 1/64 microsteps

Current - Output: 1A

Voltage - Supply: 4.5V to 5.5V

Voltage - Load: 15V to 35V

Operating Temperature Range: -20°C to 150°C

Quality and Safety Features

Built using robust DMOS technology

Overtemperature protection

Compatibility

General Purpose suitable for various stepper motor applications

Application Areas

Robotics

Printers

CNC Machines

Automated equipment

Product Lifecycle

Obsolete status

Potential for a limited supply and support

Replacement or upgrade options may be necessary

Several Key Reasons to Choose This Product

High integration for compact system design

Precision control with microstepping capabilities

Adaptable to a variety of general-purpose applications

Supports a wide temperature range for extreme environments

Easy to use with a serial interface