10W~15W Medium Power Transmitter HT66FW2230 + HT9252 + HT7550 Characteristics ► Maximum output power : 10W ~ 15W ► Compliance WPC V1.1.2 ► DC output power ► Lower standby current of under 8mA ► Integrated proportional-integral-differential algorithm – PID ► WPC MP-A1 coil type ► Full-Bridge driver ► Includes WPC timing constraint ► Frequency resolution 0.1kHz ► Integrated full bridge complementary PWM output ► Integrated demodulator circuit ► Protection functions Over Current Protection – OCP Over Temperature Protection – OTP Application Areas 2015 Holtek New Product Presentation G04 Block Diagram 12V LDO HT7550 Lighting LED PWM MCU HT66FW2230 PWM Demodulation-V Full Bridge LC Resonant Current Sense Demodulation-I HT9252 Application Circuit Power Input/LDO Circuit HT7750 Full Bridge LC Resonant Circuit Demodulation - I HT9252 Temperature/ Voltage Sensor HT66FW2230 LED Indicator Wireless Power TX Demodulation - V 2015 Holtek New Product Presentation G04