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EPC EPC2007 | Demoboard EPC9508
Amplifier Board for 6.78 MHz, ZVS Class-D Wireless System using EPC8009/EPC2007
Overview
| Topology | Wireless Power Transfer |
| Input voltage | 7-12 V |
| Switching frequency | 6780 kHz |
| Output 1 | 10 A |
Description
The EPC9508 is a high efficiency, Zero Voltage Switching (ZVS), Class-Dwireless power amplifier demonstration board operating at 6.78 MHz(Lowest ISM band). The purpose of this demonstration system is tosimplify the evaluation process of wireless power technology usingeGaN® FETs by including all the critical components on a single boardthat can be easily connected into an existing system.The EPC9508 amplifier board features the EPC8009 and EPC2007enhancement mode field effect transistor (FET) in an optional halfbridgetopology (single ended configuration) or default full-bridgetopology (differential configuration), and includes the gate driver/sand oscillator that ensures operation of the system at 6.78 MHz. Theamplifier board can also be operated using an external oscillator.The amplifier board is equipped with a pre-regulator that limits thecurrent of the supply to the amplifier. As the amplifier draws morecurrent, which can be due to the absence of a device coil, the preregulatorwill reduce the voltage being supplied to the amplifier that will ensurea safe operating point. The pre-regulator also monitors the temperatureof the main amplifier FETs and will reduce current if the temperatureexceeds 85°C. The pre-regulator can be bypassed to allow testing withcustom control hardware. The board further allows easy access to criticalmeasurement nodes that allow accurate power measurement instrumentationhookup. A simplified diagram of the amplifier board is givenin Figure 1.For more information on the EPC8009 & EPC2007 eGaN FET pleaserefer to the datasheet available from EPC at www.epc-co.com. Thedatasheet should be read in conjunction with this quick start guide.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Color | Gender | Packaging | IR(A) | PCB/Cable/Panel | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 10 µH, 5.3 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance10 µH | Performance Rated Current5.3 A | Saturation Current @ 10%1.8 A | Saturation Current @ 30%4 A | DC Resistance33 mΩ | Self Resonant Frequency40 MHz | MaterialSuperflux | Pins2 | – | MountSMT | Length7 mm | Height4.8 mm | – | – | Operating Temperature -40 °C up to +150 °C | – | – | – | – | – | ||||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | – | – | Pins1 | – | – | Length2.44 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +125 °C | ColorBlack | GenderJumper | PackagingBag | – | – | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | Pins1 | TypeStraight | MountTHT | Length2.54 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | GenderPin Header | PackagingBag | – | – | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | Pins3 | TypeStraight | MountTHT | Length7.62 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | GenderPin Header | PackagingBag | – | – | |||
 | WR-WTB 3.96 mm Male Header, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-WTB 3.96 mm Male Header | – | – | – | – | – | – | – | Pins2 | TypeVertical | MountTHT | Length7.92 mm | – | Rated Current7 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ColorWhite | GenderMale | PackagingBag | Rated Current7 A | PCB/Cable/PanelPCB |