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[ TPS54160 ] about routing EN pin with MCU

Paul Kim
Intellectual 1430 points
Other Parts Discussed in Thread: TPS54160

Hi Team

I saw the Abs Max rating for EN pin is 5V.

so really I cannot route EN pin to MCU's 5V domain GPIO pin directly to allow MCU directly enable/disable TPS54160 as below ?

if that, I have two other options; one is to add resistors divider(1/3) on MCU's 5V domain GPIO pin ouput.

and the other is to route EN pin to MCU's 3.3V domain GPIO pin to allow MCU directly enable/disable TPS54160.

please let me get your swift confirm. thanks.