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TPS92638-Q1:Fault output voltage

Other Parts Discussed in Thread: TPS92638-Q1, TPS92633-Q1

Parça Numarası: TPS92638-Q1

Preliminary information

My IC (TPS92638QPWPRQ1) supply voltage will be 28V (Vsupply: 28V)

The MCU I use is powered by 5V.

I'm thinking of pulling the fault pin to pull-up externally with 5V, but I have some concerns (picture-1)

Fault pin internal structure; The fault pin seems to be pulled-up internally with Vsupply (picture-2)

Question1-) Is the connection type shown in picture-1 correct?

Question2-) Is there a possibility that the fault pin will give voltage higher than 5V and corrupt the MCU? (pic-1 // While Vssupply assuming 28V)