Manufacturer Part Number
A3984SLPTR-T
Manufacturer
Allegro Microsystems
Introduction
A power management integrated circuit for driving bipolar stepper motors.
Product Features and Performance
Fully integrated driver and power stage
Supports 1, 1/2, 1/4, 1/16 step resolutions
Capable of driving up to 2A current per phase
Operates on supply voltage range from 3V to 5.5V
Load voltage range from 8V to 35V
Operating temperature range from -20°C to 150°C (TJ)
Product Advantages
High integration reduces external component count
Wide power supply range accommodates various applications
Support for multiple step resolutions enhances versatility
Thermal shutdown protection for enhanced safety
Overcurrent protection extends motor and driver lifespan
Key Technical Parameters
Motor Type - Stepper: Bipolar
Output Configuration: Half Bridge (4)
Interface: Logic
Technology: DMOS
Current - Output: 2A
Voltage - Supply: 3V ~ 5.5V
Voltage - Load: 8V ~ 35V
Quality and Safety Features
Built-in thermal shutdown protection
Overcurrent protection
Under-voltage lockout
Compatibility
General Purpose stepper motor driving applications
Application Areas
CNC machines
3D printers
Robotics
Automated equipment
Office automation
Product Lifecycle
Product Status: Active
Not near discontinuation currently
Replacement or upgrade options available as new technologies emerge
Several Key Reasons to Choose This Product
Ease of use with logic interface and integrated control
Support for complex stepper motor operations with various step resolutions
Robust performance in a wide range of operating temperatures
High reliability and protection features for long lasting operation
Suitable for a variety of applications with general-purpose design
Convenience of surface mount packaging for compact PCB designs
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