Manufacturer Part Number
A4985SESTR-T
Manufacturer
Allegro MicroSystems
Introduction
The A4985SESTR-T is a highly integrated, bipolar stepper motor driver IC with a Fully Integrated Control and Power Stage. It is designed for use in cost-sensitive applications that require small size, low power, and high performance.
Product Features and Performance
Integrated Control and Power Stage
Bipolar Stepper Motor Driver
Output Current up to 1A per Phase
Wide Supply Voltage Range: 8V to 35V
Selectable Step Resolutions: Full, 1/2, 1/4, 1/8 Step
Configurable Decay Modes: Slow, Mixed, Fast
Thermal Shutdown Protection
Over-Current Protection
Under-Voltage Lockout
Fault Reporting
Product Advantages
High Integration Reducing External Components
Small Footprint for Compact Designs
Extensive Protective Features for Reliable Operation
Wide Operating Voltage and Temperature Range
Key Technical Parameters
Manufacturer Part Number: A4985SESTR-T
Output Current: 1A per Phase
Supply Voltage: 3V to 5.5V
Step Resolutions: Full, 1/2, 1/4, 1/8 Step
Decay Modes: Slow, Mixed, Fast
Operating Temperature: -20°C to 150°C
Quality and Safety Features
ROHS3 Compliant
Thermal Shutdown Protection
Over-Current Protection
Under-Voltage Lockout
Compatibility
Bipolar Stepper Motors
General Purpose Stepper Motor Applications
Application Areas
Industrial Automation
Medical Devices
Consumer Electronics
Robotics
Office Equipment
Product Lifecycle
The A4985SESTR-T is an active product and is not nearing discontinuation.
Replacement or upgraded products may be available in the future as technology advances.
Key Reasons to Choose This Product
Highly Integrated Design Reducing External Components
Wide Operating Voltage and Temperature Range
Extensive Protective Features for Reliable Operation
Small Footprint for Compact Designs
Suitable for a Variety of Stepper Motor Applications
A4983SETTRAllegro MicroSystems
A4985SESTRAtmel (Microchip Technology)