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- Minimum operating voltage: 8V
- Maximum operating voltage: 35V
- Continuous current per phase: 1A
- Maximum current per phase: 2A (with cooling)
- Minimum logic voltage: 3V
- Maximum logic voltage: 5.5V
- Thermal shutdown circuitry, Ground fault protection, Load short-circuit protection
- Microstep resolutions: Full, 1/2, 1/4, 1/8 and 1/16
A4988 stepper motor driver
₨ 250.00
The stepper motor driver module controls bipolar stepper motors, offering up to 2A max output current with proper cooling. It enables precise control with various step resolutions, compatible with Pololu/StepStick standards and features an onboard potentiometer for current adjustment.
Description
The stepper motor driver module serves as a breakout board for Allegro’s A4988 DMOS Microstepping Driver, compatible with Pololu/StepStick standards. It enables control of a bipolar stepper motor, delivering 1A continuous current per phase without additional cooling, or up to 2A maximum output current with proper cooling and features an onboard potentiometer for current adjustment.
With just two pins from the controller, this driver efficiently controls the stepper motor’s rotation direction and steps. It offers various step resolutions, including Full-step, 1/2, 1/4, 1/8, and 1/16 step, allowing for higher resolutions by energizing coils with intermediate current levels, hence providing more precise movement options. For instance, using quarter-step mode can yield 800 microsteps per revolution for a 200-step-per-revolution motor.
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