Current Limit on Pololu Stepper Motor Driver DRV8825

i have your DRV8825 driver and 17HS24-2104S stepper motor. whats the current setting for this.

Electrical Specification

Manufacturer Part Number: 17HS24-2104S
Motor Type: Bipolar Stepper
Step Angle: 1.8 deg
Holding Torque: 65Ncm(
Rated Current/phase: 2.1A
Voltage: 3.36V
Phase Resistance: 1.6ohms
Inductance: 3mH ± 20%(1KHz)


Without special cooling, the DRV8825 driver can deliver at most about 1.5 Amperes per winding.

So, try setting the driver for 1.5A. Reduce if the driver overheats and shuts down.

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Alright, THANKS!!!