The maximum current rating of the DRV8824PWPR is 2.5A per coil, with a peak current of 3A. However, the actual current rating may be limited by the PCB design, thermal considerations, and other factors.
The DRV8824PWPR supports up to 1/32 microstepping. To configure microstepping, you need to set the M0, M1, and M2 pins accordingly. For example, to enable 1/16 microstepping, set M0=1, M1=0, and M2=0. Refer to the datasheet for the complete truth table.
The TRQ (Torque) pin is an analog input that allows you to adjust the motor current limit. By applying a voltage between 0V and VCC to the TRQ pin, you can set the maximum current limit of the motor. A higher voltage on TRQ corresponds to a higher current limit.
If your motor is not spinning, check the following: (1) Ensure the motor is properly connected to the DRV8824PWPR. (2) Verify that the enable pin (EN) is high. (3) Check the direction pin (DIR) is set correctly. (4) Verify the step signal is being generated correctly. (5) Check for overheating or overcurrent conditions.
Yes, the DRV8824PWPR is designed to work with bipolar stepper motors. It can drive both unipolar and bipolar stepper motors. However, for bipolar motors, you need to use the correct wiring configuration and set the correct mode using the M0, M1, and M2 pins.
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