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A4988 Stepper Motor Driver

A4988 Stepper Motor Driver

The A4988 is a complete microstepping motor driver with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes, with an output drive capacity of up to 35 V and ±2 A. The A4988 includes a fixed off-time current regulator which has the ability to operate in Slow or Mixed decay modes.


  • Mixed and Slow current decay modes
  • Automatic current decay mode detection/selection
  • Internal UVLO
  • Crossover-current protection
  • 3.3 and 5 V compatible logic supply
  • Thermal shutdown circuitry
  • Short-to-ground protection
  • Shorted load protection
  • Five selectable step modes: full, 1/2, 1/4, 1/8, and 1/16
  • Package List:

  • 1 x A4988 Stepper Motor Driver
  • Documents:

  • Datasheet
  • Schematic
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    • Views: 11341
    • Product Code: MAM4988MD
    • Availability: In Stock
    • $1.10
    • 51 or more $0.90
    This product has a minimum quantity of 21