Manufacturer Part Number
A3973SLBTR
Manufacturer
Allegro Microsystems
Introduction
The A3973SLBTR is an integrated circuit designed for powering and controlling bipolar stepper motors.
Product Features and Performance
Fully integrated control and power stage for bipolar stepper motors
Half Bridge output configuration with 4 channels
Serial interface for communication and control
DMOS technology for enhanced performance
Offers step resolution from full-step up to 1/64 microstepping for smooth motion profiles
Product Advantages
Compact 24-SOIC package saves space on PCB
Integrated design reduces external component count and system complexity
High-temperature operational range suitable for various environments
Key Technical Parameters
Motor Type: Bipolar Stepper
Output Current: 1A
Supply Voltage: 4.5V to 5.5V
Load Voltage: 15V to 35V
Operating Temperature: -20°C to 150°C (TJ)
Quality and Safety Features
Over-temperature protection to ensure reliable operation
Compatibility
General purpose design makes it compatible with a wide range of bipolar stepper motors within its electrical specifications
Application Areas
Designed for general-purpose applications where bipolar stepper motor control is required
Product Lifecycle
Obsolete: Product is no longer being manufactured and could lack support
Alternative or upgraded products may be available for replacement
Several Key Reasons to Choose This Product
Ease of integration due to fully integrated driver and control stage
Minimized design efforts with a compact and complete solution
Robust thermal and operational temperature range meets demands of various applications
Simplified motor control with user-friendly serial interface
Allegro Microsystems' reputation for quality and reliable power management solutions
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