Other Parts Discussed in Thread: CSD18511KTT, DRV8350, CSD19535, CSD19536
we work with DRV8350R and CSD18511KTT on a BLDC. in normal all functions are good. We speed up with little ramp up, turn until an current of approx. 100 Ampere is reached, ramp down in 53 ms and then we turn some secons in other direction. Now sometimes the BLDC stop without any change of signal and it sounds like the BLDC is turning with full speed in other direction, no ramp down.
On which position can I search for this problem?
We work with 18V. I think that this problem orccur more when the MOSFET is hot. Approx. 70°C. We use the DRV8350 with lowest IDRIVE setting.
One time the problem or error comes up, in next try everything is good again. Then again the problem after some times.
Thank you for help.