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EPC EPC9508 Quick Start Manual

Amplifier board for 6.78 mhz, demonstration system zvs class-d wireless system using epc8009/epc2007

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Demonstration
System EPC9508
Quick Start Guide
Amplifier Board for 6.78 MHz, ZVS
Class-D Wireless System using EPC8009/EPC2007

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Summary of Contents for EPC EPC9508

  • Page 1 Demonstration System EPC9508 Quick Start Guide Amplifier Board for 6.78 MHz, ZVS Class-D Wireless System using EPC8009/EPC2007...
  • Page 2 DESCRIPTION The amplifier board is equipped with a pre-regulator that limits the The EPC9508 is a high efficiency, Zero Voltage Switching (ZVS), Class-D current of the supply to the amplifier. As the amplifier draws more wireless power amplifier demonstration board operating at 6.78 MHz current, which can be due to the absence of a device coil, the preregu- (Lowest ISM band).
  • Page 3 The Amplifier Board (EPC9508) 2. With power off, connect the control input power supply bus to +V Figure 1 shows a diagram of the EPC9508 ZVS class-D amplifier with pre- (J90). Note the polarity of the supply connector. regulator. The pre-regulator is set to a specified current limit (up to 1.5 A) 3.
  • Page 4 Demonstration System EPC9508 QUICK START PROCEDURE The EPC9508 demonstration system is easy to set up and evaluate the 3. With power off, connect the control input power supply bus to +V performance of the eGaN FET in a wireless power transfer application.
  • Page 5 Disable oscillator Jumper Jumper Internal Oscillator External oscillator Jumper Ampli er board – Front-side (remove internal jumper) Figure 2: Proper Connection and Measurement Setup for the EPC9508 Amplifier Board EPC – EFFICIENT POWER CONVERSION CORPORATION | WWW.EPC-CO.COM | COPYRIGHT 2017 |...
  • Page 6 Q1 turn-o Q2 turn-o Q2 turn-on Q1 turn-on Partial Partial time time Shoot- Shoot- through through ZVS + Diode ZVS + Diode Conduction Conduction Figure 4: ZVS Timing Diagrams EPC – EFFICIENT POWER CONVERSION CORPORATION | WWW.EPC-CO.COM | COPYRIGHT 2017 |...
  • Page 7 Programmable Oscillator – 6.78 MHz EPSON SG-8002CE U71, U80 2 In AND Fairchild NC7SZ08L6X U72, U81 2 In NAND Fairchild NC7SZ00L6X 5.0 V, 250 mA, DFN Microchip MCP1703T-5002E/MC EPC – EFFICIENT POWER CONVERSION CORPORATION | WWW.EPC-CO.COM | COPYRIGHT 2017 |...
  • Page 8 QUICK START GUIDE Demonstration System EPC9508 EPC – EFFICIENT POWER CONVERSION CORPORATION | WWW.EPC-CO.COM | COPYRIGHT 2017 |...
  • Page 9 QUICK START GUIDE Demonstration System EPC9508 EPC – EFFICIENT POWER CONVERSION CORPORATION | WWW.EPC-CO.COM | COPYRIGHT 2017 |...
  • Page 10: Visit Our Website

    Demonstration Board Warning and Disclaimer The EPC9508 board is intended for product evaluation purposes only and is not intended for commercial use. Replace components on the Evaluation Board only with those parts shown on the parts list (or Bill of Materials) in the Quick Start Guide. Contact an authorized EPC representative with any questions.