Part Number: DRV8825 Hi Team,
When driving a stepper motor with DRV8825, it does not output a normal square wave but instead produces a spike on the way the square wave drops as the following waveform shown:
The customer erases the software and powers…
Part Number: DRV8825 Hi,
I am using a DRV8825 in a project and having some issues with the DIR pin not actually changing direction when pulled high or low. I have a script that moves the motor, stops it, and changes direction to move again. When the…
Part Number: DRV8825 Hello,
I am making a PCB and I want to include the DRV8825 to control step motors. In a previous iteration I used the DRV8825 module, but, now, I want to use only the chip. I would like to know if there is some firmware that should…
Part Number: DRV8825 Hi Team,
Using the circuit diagram in the DRV8825 specification sheet, the motor can run with radiation causing the FCC to fail. With the other conditions unchanged, the FCC can be passed by unplugging the motor cable.
Would it be…
Part Number: DRV8825 Hi team,
With DRV8825 no load output, the output waveform looks like this. Is this normal?
Why is there a little pulse in the middle?
Thanks for your response and help.
Part Number: DRV8825 The problem is how one of two motors (one stepper driver on each) eventually stops. The fault pin goes down to zero volts.
So I am wondering why the fault pin is logic low to begin with. It is on a custom PCB (not a carrier or dev…
Part Number: DRV8825 Hi Team,
Based on the datasheet, when TI DRV8825 Vref (on pin 12 and pin 13) is set to 1.03V , the calculated chopping current is 2.06A .
(datasheet page 12)
* Note : our design R.sense = 100mΩ.
** Note : refer to attachment…
Part Number: DRV8825 Hi Team,
May I confirm with you for the below maximum current, is it referring to average or RMS current?
Thanks.
Best Regards,
Ernest