Wireless Charger HT66FW2230 Characteristics Maximum output power 5W DC output power Lower standby current : Under 5mA Efficiency : 72% Integrated proportional-integral-differential algorithm WPC A11 type Frequency control Full-bridge driver Includes WPC timing constraint Block Diagram Power Supply Unit Rx Block Secondary Resonant Unit Half Bridge Resonant Unit (A10 type) Power HT66FW2230 (Tx MCU) Current Detection Unit Rectification Unit HT45FH4M-1 (Rx MCU) Power Buck Unit Communication De-modulator Unit Modulator Unit Current Detection Unit DC 5V 3C Products (5W) Tx Block Application Circuit Tx Circuit ‒ WPC A11 Type