Synchronous rectifier design for isolated high power PoE+ (802.3 at and bt) applications can help increase efficiency and reduce heat.
Here is a detailed schematic to generate VGH, VGL, VCOM, AVDD, and some other voltage rails needed by TFT LCD panels to function properly.
The ESP32 may be a low power chip when compared with other WiFi or networking chipsets in the domain. But in conventional terms, ESP32 is not exactly a low power …