A3964SLB - Allegro MicroSystems

Manufacturer Part Number

A3964SLB

Manufacturer

Allegro Microsystems

Introduction

The A3964SLB is a power management integrated circuit specifically designed for bipolar stepper motor driving applications.

Product Features and Performance

Fully integrated driver with control and power stage

Half Bridge output configuration with 4 channels

Parallel interface for connectivity

Bipolar technology for robust performance

Integrated circuits suitable for general-purpose stepper motor applications

Surface mount 20-SOIC package for a compact footprint

Product Advantages

Direct driving of bipolar stepper motors without external transistors or drivers

On-chip thermal shutdown for safety

Low voltage operation from 4.75V to 5.25V for compatibility with a variety of systems

Key Technical Parameters

Motor Type - Stepper: Bipolar

Current - Output: 800mA

Voltage - Supply: 4.75V ~ 5.25V

Voltage - Load: 5V ~ 30V

Operating Temperature Range: -20°C ~ 150°C (TJ)

Quality and Safety Features

Thermal shutdown feature for over-temperature protection

Compatibility

Suitable for a wide range of general-purpose bipolar stepper motor applications

Application Areas

Designed for various stepper motor driving applications across numerous industries

Product Lifecycle

Obsolete status, suggesting it may be nearing discontinuation with potential availability of replacements or upgrades

Several Key Reasons to Choose This Product

Ease of integration for bipolar stepper motor projects

Low operational voltage for energy efficiency

Built-in thermal protection for enhanced safety and reliability

Available in a compact package, minimizing board space requirements

Suited for applications requiring robust performance over a wide temperature range