Chosen Solution

Please, Anybody knows the number of 3.3v IC named U3C2? The image below shows where it’s placed.

https://imgur.com/a/WxN1a Thx

Hi, the component you are looking for is called TPS53819ARGT and the below image is the schematic of the component.

Or https://imgur.com/KiMQdPj If you need the PDF of it is the below link: http://www.ti.com/lit/ug/slvu719a/slvu71… and http://www.ti.com/lit/ds/symlink/tps5381… Hope that helps!

actually U3C2 is a TPS54218 (step down converter) TPS53819 is used in position U5F3 (buck controller)