A3972SB - Allegro MicroSystems

Manufacturer Part Number

A3972SB

Manufacturer

allegro-microsystems

Introduction

The A3972SB is a fully integrated bipolar stepper motor driver that includes the control and power stages in a single package. It is designed for use in general-purpose applications requiring a robust, flexible, and cost-effective solution for driving bipolar stepper motors.

Product Features and Performance

Bipolar stepper motor driver with integrated control and power stages

Supports 1/1 to 1/64 microstepping resolution

Output current up to 1.5A per phase

Wide supply voltage range of 4.5V to 5.5V

Wide load voltage range of 15V to 50V

Operates over a temperature range of -20°C to 150°C (TJ)

Integrated thermal shutdown and overcurrent protection

Onboard charge pump for high-side gate drive

Serial interface for control and status monitoring

Product Advantages

Fully integrated design reduces component count and simplifies system integration

Flexible microstepping resolution allows for precise motor control

Wide operating voltage ranges accommodate a variety of applications

Robust protection features ensure reliable and safe operation

Simple serial interface for easy integration into control systems

Key Reasons to Choose This Product

Compact and cost-effective solution for bipolar stepper motor control

Reliable performance and protection features for demanding applications

Easy integration with a wide range of control systems

Versatile design suitable for a variety of general-purpose applications

Quality and Safety Features

Integrated thermal shutdown and overcurrent protection

ESD protection on all pins

Comply with relevant safety and environmental standards

Compatibility

The A3972SB is compatible with a wide range of bipolar stepper motors and can be easily integrated into various control systems.

Application Areas

Industrial automation

Robotics

Medical equipment

Office automation

Home appliances

Automotive systems

Product Lifecycle

The A3972SB is an obsolete product, meaning it is no longer in production. However, there are several equivalent or alternative models available from Allegro MicroSystems that may be suitable. Customers are advised to contact our website's sales team for more information on available options.