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eGaN FET dev board for 6.78MHz AirFuel wireless power apps

19 Feb 2016

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


The EPC9065 includes all the critical components, including two screw-mounted heat sinks for increased power capability. It can be easily connected into an existing system to speed end-product time to market.

This development board features the EPC2007C and the EPC8010, which are 100V 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 6.78MHz oscillator, and a separate heat sink for each Class-D section.

The EPC9065 is priced at $414.00 each and are available for immediate delivery from Digi-Key.

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