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Stepper Motor Driver A4988

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A 3D printer stepper motor driver A4988 is an integrated circuit designed to drive a bipolar stepper motor. It is typically used in 3D printers and other CNC machines, allowing them to move accurately and reliably. The A4988 driver is based on the Allegro A4983 microstepping driver chip and includes a fixed off-time current regulator, which has the ability to operate in slow or mixed decay modes.

The A4988 driver is capable of driving up to 1/32 microstepping and can provide up to 1.2A per winding with a maximum supply voltage of 35V. It is also equipped with a variety of protection features such as thermal shutdown, undervoltage lockout, and overcurrent protection. Additionally, it is compatible with both 3.3V and 5V logic levels, making it easy to integrate into any system.

The A4988 driver is an ideal choice for 3D printing applications due to its low cost and reliable performance. It is available in a variety of package sizes, including through-hole and surface mount, making it easy to integrate into any project.

At 3D Printing Perth, we carry a wide selection of 3D printer stepper motor drivers, including the A4988. Our selection of A4988 drivers come in a variety of packages and are available at competitive prices. We also offer a wide range of other 3D printing supplies, such as filament, build plates, and more. So if you’re looking for a reliable 3D printer stepper motor driver, look no further than 3D Printing Perth.



  • Max. Operating Voltage: 35V
  • Min. Operating Voltage: 8V
  • Max. Current Per Phase: 2A
  • Microstep resolution: Full step, ½ step, ¼ step, 1/8 and 1/16 step
  • Reverse voltage protection: No
  • Dimensions: 15.5 × 20.5 mm (0.6″ × 0.8″)
  • Short-to-ground and shorted-load protection
  • Low RDS(ON) outputs
  • Thermal shutdown circuitry



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