PMP23421: what is the source of the 12V power rail

Hi all,

When I learn the reference design of PMP23421, I found that there is no resource for 12V power rail. And I have no idea why GaN mode interface need a 12V power rail, it is input or output? I want you tell me the design of achieve 12V power rail. And the reason of 12V power rail in GaN board. Thanks!

A seemingly no source for this 12V power rail.

why GaN board need 12V interface?

GaN board schematic seem don't have any 12V input or output.

Pls help me figure out those questions Thanks!

BR,

Peng

Eirwen：

已经收到了您的案例，调查需要些时间，感谢您的耐心等待。