Power Electronics
Image courtesy of Efficient Power Conversion

(Image courtesy of Efficient Power Conversion).

High Efficiency eGaN FET Development Board for AirFuel Wireless Power Standard

Efficient Power Conversion has announced the EPC9065, a development board that can serve as the amplifier stage for AirFuel Alliance Class 4 and Class 5 wireless power transfer applications. This board is a Zero Voltage Switching (ZVS) differential-mode class-D amplifier development board configured at, but is not limited to 6.78 MHz (Lowest ISM band).

This development board features the EPC2007C and the EPC8010, which are 100 V rated enhancement-mode gallium nitride FETs. The EPC2007C is used in the class-D amplifier while the EPC8010 is used as a synchronous bootstrap FET. The amplifier can be set to operate in either differential or single-ended mode and includes the gate drivers, a 6.78 MHz oscillator, and a separate heat sink for each Class-D section.

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