A3973SLBTR - Allegro MicroSystems

Manufacturer Part Number

A3973SLBTR

Manufacturer

Allegro Microsystems

Introduction

The A3973SLBTR is an integrated circuit designed for powering and controlling bipolar stepper motors.

Product Features and Performance

Fully integrated control and power stage for bipolar stepper motors

Half Bridge output configuration with 4 channels

Serial interface for communication and control

DMOS technology for enhanced performance

Offers step resolution from full-step up to 1/64 microstepping for smooth motion profiles

Product Advantages

Compact 24-SOIC package saves space on PCB

Integrated design reduces external component count and system complexity

High-temperature operational range suitable for various environments

Key Technical Parameters

Motor Type: Bipolar Stepper

Output Current: 1A

Supply Voltage: 4.5V to 5.5V

Load Voltage: 15V to 35V

Operating Temperature: -20°C to 150°C (TJ)

Quality and Safety Features

Over-temperature protection to ensure reliable operation

Compatibility

General purpose design makes it compatible with a wide range of bipolar stepper motors within its electrical specifications

Application Areas

Designed for general-purpose applications where bipolar stepper motor control is required

Product Lifecycle

Obsolete: Product is no longer being manufactured and could lack support

Alternative or upgraded products may be available for replacement

Several Key Reasons to Choose This Product

Ease of integration due to fully integrated driver and control stage

Minimized design efforts with a compact and complete solution

Robust thermal and operational temperature range meets demands of various applications

Simplified motor control with user-friendly serial interface

Allegro Microsystems' reputation for quality and reliable power management solutions