10W~15W Medium Power Transmitter --

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