5PCS/Pack DRV8825 Stepper Driver Module with Heat Sink for 3d Printer Reprap

DMOS microstepping driver with built-in converter and overcurrent protection. Runs bipolar stepper motors.

Step Modes

Full, 1/2, 1/4, 1/8, 1/16, 1/32;

Electrical:

Supply voltage: 8V–45V

Output current: up to 2.5A

Logic voltage: 3.3V or 5V compatible

Control:

Step and direction interface

Pulse in = one microstep

No phase table or complex programming needed

Current Adjustment

Onboard potentiometer sets max output current

Formula: I = V × 2 (measure voltage between pot pin and GND)

Clockwise: increases current

Counterclockwise: decreases current;

Decay Modes:

Fixed off-time current regulator with slow or mixed decay, auto-selected;

Protection:

Overtemperature shutdown;

Undervoltage lockout;

Cross-current protection;

Short-to-ground protection;

Short-to-load protection;

Package includes:

5 x DRV8825 stepper drivers

Resources