A4988 Stepper Motor Driver - Green PCB

A4988 Stepper Motor Driver - Green PCB
A4988 Stepper Motor Driver - Green PCB
A4988 Stepper Motor Driver - Green PCB
A4988 Stepper Motor Driver - Green PCB
A4988 Stepper Motor Driver - Green PCB
1.28€
  • Stock:
  • Product Code: M015.A4988G
  • Weight: 5.00

A4988 Stepper Motor Driver - Green PCB

Product Description:

The A4988 Step Motor Driver Board is Allegro's most useful microstepping dual bipolar step motor driver. It features current limiting, overcurrent protection, and five different microstep resolutions. It operates between 8-35V and can control motors up to approximately 1A per phase without cooling (heatsink or fan). With adequate additional cooling, it is rated at 2A per coil.

Specifications:

  • Five different step resolutions: Full step, Half step, Quarter step, Eighth step, and Sixteenth step
  • Adjustable current control allows you to set the maximum current output with a potentiometer, enabling the use of higher voltages to achieve higher step rates
  • Intelligent decay mode selection automatically selects the appropriate current decay mode (fast decay or slow decay)
  • Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection
  • Short-circuit protection available
  • Requires a logic voltage supply (3-5.5V) connected between VDD and GND pins, and a motor power supply (8-35V) connected between VMOT and GND pins
  • The decoupling capacitors should be suitably close to the board, and the power supplies should be capable of delivering the expected currents (up to 4A for the power supply)

Note:

Do not attempt any wiring or motor connections while the driver is powered. It can cause serious damage to the driver. Disconnect the power before making motor connections or adjustments.

Microstep Resolutions:

MS1MS2MS3Microstep Resolution
LOWLOWLOWFull step
HIGHLOWLOWHalf step
LOWHIGHLOWQuarter step
HIGHHIGHLOWEighth step
HIGHHIGHHIGHSixteenth step

Usage of Driver :

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