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TPS62822: Question for FET

Part Number: TPS62822

Hi, Team,

I have a question for TPS62822 FET.

(1) Will the upper and lower FET gate drive pins become Hi-Z when there is no input to the VIN pin with the EN pin is low?

(2) Is there a function to prevent through current by monitoring switching node voltage or FET gate drive voltage?

(3) We thought that there was no boost capacitor and PchFET was used for the main switch, but when checking the data sheet P7 block diagram, the upper and lower FETs are listed as Nch. Which mosfet is used for?

Best Regards,
Satoshi Yone