Hello,
During single point failure, component open short testing, shorting the below capacitor C25 causes the main switching MOSFET to catch fire.
The current sense signal is effectively shorted out, the inductor saturates, and then the MOSFET catches fire, which is a Safety failure.
At the bottom I pasted the UCC2818 block diagram.
What is a good fix for this that causes an orderly shut down, or some kind of low power or hiccup mode?
Here is the UCC2818 block diagram. Pins 4 and 5 are the current sense amp input
Below is the datasheet application circuit
Thanks.
