EPC9065: 1A, Wireless Power, 0 ~ 80V

The EPC9065 is a high efficiency, Zero Voltage Switching (ZVS) differential mode Class-D amplifier development board that operates at, but is not limited to, 6.78 MHz (Lowest ISM band). The purpose of this development board is to simplify the evaluation process of a high power ZVS Class-D amplifier for use in applications such as A4WP wireless power using eGaN® FETs by including all the critical components on a single board that can be easily connected into an existing system. To support the increased power capability, two mounted heat sinks are included.

The amplifier board features the EPC2007C and the EPC8010, which are 100 V rated enhancement-mode gallium nitride FETs (eGaN® FET). The EPC2007C is used in the Class-D amplifier while the EPC8010 is used as asynchronous bootstrap FET. The amplifier can be set to operate in either differential mode or single ended mode and includes the gate drivers and 6.78 MHz oscillator.

For more information on the EPC2007C or EPC8010 eGaN FETs please refer to the datasheet which should be read in conjunction with this quick start guide.

The EPC9065 consists of a differential mode ZVS Class-D amplifier, a 6.78 MHz oscillator, and a separate heat sink for each Class-D section. The power schematic of the EPC9065 is shown in figure 1.