This breakout board  A4988 microstepping bipolar stepper motor driver features adjustable current limiting, over-current and over-temperature protection, and five different microstep resolutions (down to 1/16-step). It operates from 8 V to 35 V and can deliver up to approximately 1 A per phase without a heat sink or forced air flow (it is rated for 2 A per coil with sufficient additional cooling). This board ships with 0.1″ male header pins included but not soldered in.

This product is a carrier board or breakout board for A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection; we therefore recommend careful reading of the A4988 datasheet (1MB pdf) before using this product. This stepper motor driver lets you control one bipolar stepper motor at up to 2 A output current per coil (see the Power Dissipation Considerations section below for more information). Here are some of the driver’s key features:
  • Simple step and direction control interface
  • Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step
  • Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor’s rated voltage to achieve higher step rates
  • Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)
  • Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection
  • Short-to-ground and shorted-load protection

 

 

Electrical Specifications
Output Current 1A
Minimum Operating Voltage 8V
Maximum Operating Voltage 35V
Physical Attributes
Weight 1.3g
Dimensions 0.6″ × 0.8″
Additional Information
Warranty

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Pololu 1182 / 2980 A4988 Stepper Motor Driver Carrier - Pololu

  • Brand: Pololu
  • Product Code:Pololu-A4988-Stepper-Motor-Driver-Carrier
  • Reward Points:11
  • Availability:In Stock
  • रo 1,062.00

  • Price in reward points:1062

  • 15 or more रo 1,053.00
  • 25 or more रo 1,045.00
  • 65 or more रo 1,036.00
  • 135 or more रo 1,028.00

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Tags: A4988, Stepper, Motor, Driver, Carrier, Pololu

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