Part Number: DRV8825
Hello,
I need the meaning of the distortion of the current with the driver DRV8825.
The simplified schematic of my board is as follow:
e2e.ti.com/.../0670_2D00_00.pdf
When I start the motor I see that the current is distorted. In these point (current distorted) I see the "blank" of the voltage on the winding of the motor and on the shunt resistor refered to the winding. Se point A in the file "Screenshot_1".
I attached some screenshot:
Screenshot_1
Screenshot_2
Screenshot_3
Screenshot_4
With the motor in the running state: MODE is setted to 1/16 step, DECAY pin is setted high (fast).
No fault signals are present (the signal is always high).
Can you help me to understand why are there these point of distortionn to the current?
Best regards,
Andrea
