Manufacturer Part Number
A3977KED-T
Manufacturer
Allegro Microsystems
Introduction
The A3977KED-T is a fully integrated bipolar stepper motor driver from Allegro Microsystems. It combines a constant-current control chopper stage with a simple step and direction logic input to provide an easy-to-use, low-current, low-noise motor driver solution for a wide range of applications.
Product Features and Performance
Bipolar stepper motor driver with constant-current control
Step resolutions of full, 1/2, 1/4, and 1/8 step
Output current up to 2.5A per phase
Supply voltage range of 3V to 5.5V
Logic interface voltage range of 3V to 5.5V
Operates over a wide temperature range of -40°C to 150°C
Product Advantages
Fully integrated solution with control and power stages
Constant-current control for smooth motor operation
Microstepping capability for improved resolution and reduced noise
Thermal shutdown and under-voltage lockout protection
Key Reasons to Choose This Product
Reliable and cost-effective stepper motor driver solution
Suitable for a wide range of general-purpose applications
Ease of use with simple step and direction logic interface
Robust thermal and voltage protection features
Quality and Safety Features
Thermal shutdown protection
Under-voltage lockout protection
Compatibility
Suitable for use with bipolar stepper motors
Application Areas
General-purpose industrial and consumer applications requiring stepper motor control
Product Lifecycle
["The A3977KED-T is an obsolete product, meaning it is no longer in active production.","There are several alternative and equivalent models available from Allegro Microsystems, such as the A4988, DRV8825, and AMIS-30543. Customers are advised to contact our website's sales team for more information on suitable replacement options."]
A3977KEDTAllegro MicroSystems
A3977SEDTR