EPC9506 - Development Board

EPC9506 : ZVS Class-D amplifer board for wireless
power transfer systems

EPC9506 is the amplifier (source) board for a ZVS Class-D wireless power transfer system.

The EPC9506 amplifer board features the 40 V rated EPC2014 eGaN® FETs in a half bridge topology (for single ended configuration) or full bridge topology (for differential configuration), and includes the gate driver/s and oscillator that ensures operation of the system at 6.78 MHz. The amplfier board can also be operated using an external oscillator.

The amplfier board is equipped with a pre-regulator that limits the current of the supply to the amplifier. The pre-regulator also monitors the temperature of the main amplifier FETs and will reduce current if the temperature exceeds 85°C. The pre-regulator can be bypassed to allow testing with custom control hardware. The board further allows easy access to critical measurement nodes that allow accurate power measurement instrumentation hookup.

The EPC9506 amplifer board can be purchased as part of the EPC9111 wireless power system demonstration kit or as a stand-alone board.


* Assumes inductive load, maximum current depends on die temperature – actual maximum current with be subject to switching frequency, bus voltage and thermals.

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