A3967SLB - Allegro MicroSystems

Manufacturer Part Number

A3967SLB

Manufacturer

Allegro MicroSystems

Introduction

The A3967SLB is a high-performance, fully integrated bipolar stepper motor driver IC capable of driving two bipolar stepper motors.

Product Features and Performance

Integrated control and power stages

Programmable step resolutions of 1, 1/2, 1/4, and 1/8 step

Diagnostic features including overcurrent, short-circuit, and undervoltage protection

Adjustable current control and decay modes

Thermal shutdown protection

Wide operating voltage range of 4.75V to 30V

Output current up to 750mA per phase

Product Advantages

Highly integrated design reduces system complexity and component count

Precise step control for smooth motor operation

Robust protection features improve system reliability

Wide operating voltage range provides flexibility in design

Key Technical Parameters

Manufacturer Part Number: A3967SLB

Voltage Supply Range: 3V to 5.5V

Output Current: 750mA per phase

Step Resolutions: 1, 1/2, 1/4, 1/8 step

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

Quality and Safety Features

RoHS non-compliant

Thermal shutdown protection

Overcurrent and short-circuit protection

Compatibility

The A3967SLB is designed for use with bipolar stepper motors.

Application Areas

General-purpose stepper motor control applications

Industrial automation

Robotics

Automotive systems

Medical equipment

Product Lifecycle

The A3967SLB is an active product, and Allegro MicroSystems continues to support it. Replacement or upgrade options may be available as technology evolves.

Key Reasons to Choose This Product

Highly integrated design simplifies system implementation

Programmable step resolutions for precise motor control

Robust protection features improve system reliability

Wide operating voltage range provides flexibility

Suitable for a variety of stepper motor control applications