A3955SLBTR - Allegro MicroSystems

Manufacturer Part Number

A3955SLBTR

Manufacturer

Allegro Microsystems

Introduction

A3955SLBTR is a motor driver designed for driving bipolar stepper motors.

Product Features and Performance

Integrated driver for bipolar stepper motors

4 Operating Modes: Full, Half, Quarter, and Eighth Step Resolutions

Output Current up to 1.5A

Low Voltage Operation from 4.5V to 5.5V

High Voltage Motor Operation up to 50V

Thermal Overload Protection

Crossover-Current Protection

Parallel Interface for Control

Product Advantages

Compact 16-PowerSOIC Package for Space-Constrained Applications

Supports Complex Motor Movements with Varied Step Resolutions

Key Technical Parameters

Step Resolution: 1, 1/2, 1/4, 1/8

Output Current: 1.5A Max

Supply Voltage: 4.5V to 5.5V

Load Voltage: 4.5V to 50V

Output Configuration: Half Bridge (2)

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

Quality and Safety Features

Thermal Shutdown Circuitry

Under-Voltage Lockout

Crossover-Current Protection

Compatibility

Designed for General Purpose Bipolar Stepper Motors

Application Areas

CNC Machines

3D Printers

Robotics

Office Automation Machines

Product Lifecycle

Obsolete

Consult Manufacturer for Replacement or Upgrade Options

Key Reasons to Choose This Product

Versatile Step Resolution for Precision Control

High Efficiency with Low Voltage Operation

Supports High Voltage Motors up to 50V

Integrated Features Reduce External Component Requirement

Suitable for a Variety of Applications with General Purpose Design

High-Temperature Operation Suitability

Space Saving with Surface Mount Technology