Manufacturer Part Number
A3987SLPTR-T
Manufacturer
Allegro Microsystems
Introduction
Integrated bipolar stepper motor driver with fully integrated control and power stage.
Product Features and Performance
Bipolar Stepper Motor Driver
Integrated DMOS Technology
5A Output Current Capability
3V to 5.5V Supply Voltage Range
8V to 50V Motor Voltage Range
Half Bridge Output Configuration
Logic Interface
Selectable Step Resolution (Full, 1/2, 1/4, 1/16)
High-Temperature Operation up to 150°C
Product Advantages
Highly Integrated Design Reduces External Components
Broad Voltage Range for Versatile Use
Selectable Stepping Resolutions Provide Flexibility
Advanced DMOS Technology for Efficiency
High Output Current for Driving Large Motors
Key Technical Parameters
Stepper Motor Type: Bipolar
Function: Driver with Full Integration
Step Resolution Options: 1, 1/2, 1/4, 1/16
Current - Output: 1.5A
Voltage - Supply: 3V ~ 5.5V
Voltage - Load: 8V ~ 50V
Operating Temperature Range: -20°C ~ 150°C
Quality and Safety Features
Designed for Robust Operation in High-Temperature Environments
Overtemperature Protection
Compatibility
Logic Interface for Easy Connection to Microcontrollers
Compatible with a Wide Range of Stepper Motors
Standard TSSOP-24 Packaging for SMD Mounting
Application Areas
General Purpose Motor Control
Office Automation Machines
Gaming Machines
Industrial Equipment
Product Lifecycle
Status: Active
Ongoing Production with No Current Indication of Discontinuation
Key Reasons to Choose This Product
High Current Capability Suitable for a Range of Applications
Flexible Power Supply and Motor Voltage Options
Compact 24-TSSOP Packaging Fits Space-Constrained Designs
DMOS Technology Ensures Efficiency and Performance
Robust Thermal Features for Enhanced Reliability
Broad Compatibility with Various Microcontrollers and Stepper Motors