Pololu A4988 StepStick Stepper Motortreiber Carrier

Item number: PO1182

This breakout board for Allegro's 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 8V to 35V and can deliver up to approximately 1A per phase without a heat sink or forced air flow (it is rated for 2A per coil with sufficient additional cooling). This board ships with 0.1'''' male header pins included but not soldered in.

Category: Drivers


6,66 €

including 19% VAT.,

Available now!

Shipping time: 1 - 3 workdays



Description

Übersicht

This product is a carrier board or breakout board for Allegro?s 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

This product ships with all surface-mount components?including the A4988 driver IC?installed as shown in the product picture.

Dimensions

  • Size:0.6? × 0.8?
  • Weight:1.3 g1

General specifications

  • Minimum operating voltage:8 V
  • Maximum operating voltage:35 V
  • Continuous current per phase:1 A2
  • Maximum current per phase:2 A3
  • Minimum logic voltage:3 V
  • Maximum logic voltage:5.5 V
  • Microstep resolutions:full, 1/2, 1/4, 1/8, and 1/16
  • Reverse voltage protection?:N
  • Bulk packaged?:N
  • Header pins soldered?:N4

Notes:

1. Without included optional headers.
2. Without a heat sink or forced air flow.
3. With sufficient additional cooling.
4. Male header pins are included for the board's 16 holes, but they are not installed.

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