The TPS56C230 on the customer's board has a double pulse problem, the following is the schematic diagram and PCB diagram.
The customer's remote feedback wiring is a long line with a via hole. I cut the PCB line and passed the flying line, as shown in the figure below, and found that the double pulse problem was cancelled.
The double pulse problem should be caused by the sensitivity of the FB through investigation, so is there any problem when designing the chip? Or do you have to pay attention when using it?
