Manufacturer Part Number
A3977KLP
Manufacturer
Allegro Microsystems
Introduction
The A3977KLP is a high-performance, fully integrated bipolar stepper motor driver from Allegro Microsystems. It combines a dual full-bridge driver with a fixed-off-time current regulator in a single package, providing an efficient and compact solution for driving bipolar stepper motors.
Product Features and Performance
Bipolar stepper motor driver with integrated current regulation
Supports step resolutions of 1, 1/2, 1/4, and 1/8 steps
Output current capability of up to 2.5A per phase
Operating voltage range of 8V to 35V
Wide operating temperature range of -40°C to 150°C
Product Advantages
Fully integrated solution with reduced component count
Efficient operation with low power dissipation
Configurable step resolutions for precise motor control
Thermal shutdown and overcurrent protection for reliable operation
Small package size (28-TSSOP) for space-constrained applications
Key Reasons to Choose This Product
Robust and reliable performance for general-purpose stepper motor applications
Ease of use with integrated driver and control functions
Excellent thermal management and protection features
Scalable step resolution for optimal motor control
Quality and Safety Features
Thermal shutdown protection
Overcurrent protection
Brownout detection
Compatibility
The A3977KLP is compatible with a wide range of bipolar stepper motors and can be used in various general-purpose applications.
Application Areas
Industrial automation
Robotics
Motion control systems
Instrumentation
Office equipment
Appliances
Product Lifecycle
The A3977KLP is an obsolete product, and Allegro Microsystems no longer manufactures this specific model. Customers are advised to contact our website's sales team for information on equivalent or alternative products that may be suitable for their applications.
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