Qi (Wireless Power Consortium) wireless charging uses inductive coupling at 110-205 kHz between transmitter and receiver coils. Power transfer at 5W (standard) up to 15W (extended power profile) for phones and earbuds.
| Pin | Name | Function | Type |
|---|---|---|---|
| TX | TX Coil | Transmitter inductive coil in charger | PWR |
| RX | RX Coil | Receiver inductive coil in device | PWR |
Qi (Wireless Power Consortium) wireless charging uses inductive coupling at 110-205 kHz between transmitter and receiver coils. Power transfer at 5W (standard) up to 15W (extended power profile) for phones and earbuds.