Yun 12V POE

Hi,

i accidentally hooked up a 12V POE module on to the Yun.
The Leonardo part is still working. The Linino side is on the dark side :frowning:

Chip marked on the picture is getting very hot. Could this be the 3.3V regulator? What is the part number?
Thank you.

Up subject.
I also accidentally sent the 8v on mUSB plug, not 5V.
The Arduino part works, but the Linino and output 3.3V party not work. I would like to repair the card.

Translate text by a French translator => English.