- CH224K USB-C PD3.0 sink controller - LD1117S33 3.3V LDO regulator - ESP32-S3-WROOM-1 module - USB-C 16-pin receptacle with CC pull-downs - 15 nets: VBUS, VOUT, 3V3, GATE, CC1/CC2, USB data lines - Custom CH224K symbol with correct SSOP-10 pinout