A3982SLB - Allegro MicroSystems

Manufacturer Part Number

A3982SLB

Manufacturer

Allegro MicroSystems

Introduction

The A3982SLB is a power management integrated circuit designed for controlling bipolar stepper motors.

Product Features and Performance

Fully Integrated Stepper Motor Driver

Control and Power Stage Incorporated

DMOS Technology

Half Bridge Output Configuration with 4 Channels

Logic Interface for Easy Control

Step Resolution includes Full Step and Half Step Options

High Output Current Capacity of 2A

Supports Supply Voltages from 3V to 5.5V

Load Voltage Range from 8V to 35V

High Operating Temperature Range of -20°C to 150°C (TJ)

Product Advantages

Enables Compact Designs due to Small 24-SOIC Package

High-temperature Operation Suited for Various Environments

Flexibility with Logic-Level Interface

Integrated Functionalities Reduce External Component Count

Key Technical Parameters

Motor Type - Stepper: Bipolar

Output Configuration: Half Bridge (4)

Step Resolution: 1, 1/2

Current - Output: 2A

Voltage - Supply: 3V ~ 5.5V

Voltage - Load: 8V ~ 35V

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

Quality and Safety Features

DMOS Technology Ensures Reliability and Performance

Surface Mount Technology Promotes Sound Electrical Connections

Compatibility

General Purpose Application Compatibility

Compatible with Bipolar Stepper Motors

Application Areas

General Purpose Motor Control Applications

Robotics

Precision Positioning Systems

Product Lifecycle

Product Status: Obsolete

Considerations for Possible Replacements or Upgrades Required

Several Key Reasons to Choose This Product

Integrated Driver and Power Stage Minimize Design Complexity

Designed for High-Temperature Operation, Ensuring Reliability in Challenging Environments

Support for Multiple Power Sources Enhances Versatility

High Output Current Suitable for a Range of Motor Specifications

Advanced Technology and Compact Packaging Facilitate Efficient Use of PCB Space