Other Parts Discussed in Thread: DRV8703-Q1
I used TI DRV8703-Q1 drive MOSFET. But there is so many disturbance voltage in my system.
Could you please help to give me some advise ?
When i used DRV8703-Q1 driver MOSFET(there is not motor),It has many disturbance voltage in the power rail ,CAN rail and the GND . And i test the EVM of DRV8703-Q1 which supplied by TI.
The wave of my system as below:
Power rail :
DRV8703-Q1 EVM Power rail:
And if you need my SCH and Layout please ferernce below: