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reference designEPC2014C | Demoboard EPC9111

EPC EPC2014C | Demoboard EPC9111

6.78 MHz, ZVS Class-D Wireless Power System Using EPC2014C/EPC2038

Overview

TopologyWireless Power Transfer
Switching frequency6102-7458 kHz
IC revision3.2

Description

The EPC9111 Wireless power demonstration system is a high efficiency, A4WP compatible, Zero Voltage Switching (ZVS), Class-D Wireless Power transfer demonstration kit capable of delivering up to 35 W into a DC load while operating at 6.78 MHz (Lowest ISM band). It includes an amplifier board (EPC9506) with a pre-regulator that limits the output current and voltage and ensures proper operation of the amplifier regardless of coupling and load variations between the source and device. The purpose of this demonstration system is to simplify the evaluation process of the wireless power technology using eGaN® FETs. The EPC9111 wireless power system comprises three boards (shown in figure 1) namely:1) A Source Board (Transmitter or Power Amplifier) EPC9506 2) A Class 3 A4WP compatible Source Coil (Transmit Coil)3) A Category 3 A4WP compatible Device Coil with rectifier and DC smoothing capacitor.The amplifier board features the EPC2014C and EPC2038 enhancement mode field effect transistor (FET) in an optional half-bridge topology (single ended configuration) or default full-bridge topology (differential configuration), and includes the gate driver/s and oscillator that ensures operation of the system at 6.78 MHz The amplifier board can also be operated using an external oscillator or by using the included ultra low power oscillator.This revision can operate in either Single ended or Differential mode by changing a jumper setting. This allows for high efficiency operation with load impedance ranges that allow for single ended operation.

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Data­sheet
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Status
Product series
L(nH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(GHz)
Material
Qty.
Tol. L
Test Condition L
Qmin.
Test Condition Q
RDC max.(mΩ)
IR(A)
Pins
Type
Mount
L(mm)
H(mm)
Working Voltage(V (AC))
Operating Temperature
SamplesAvailability & Sample
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744912182
SPECWE-CAIR Air Coil, 82 nH, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

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Downloads11 files

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-CAIR Air Coil
Inductance82 nH
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Self Resonant Frequency1.3 GHz
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Packaging Unit1000 
Inductance±5% 
Inductance150 MHz 
Q-Factor100 
Q-Factor150 MHz 
DC Resistance9.4 mΩ
Rated Current2.5 A
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MountSMT 
Length4.83 mm
Height4.2 mm
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Operating Temperature -40 °C up to +125 °C
–Check availability
744314101
SPECWE-HCI SMT Flat Wire High Current Inductor, 10000 nH, 5.3 A
Simu­lation
Availability
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Downloads9 files

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CAD files ZIP

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ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance10000 nH
Performance Rated Current5.3 A
Saturation Current @ 10%1.8 A
Saturation Current @ 30%4 A
DC Resistance33 mΩ
Self Resonant Frequency0.04 GHz
MaterialSuperflux 
Packaging Unit1000 
Inductance±20% 
Inductance100 kHz/ 100 mV 
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DC Resistance36.3 mΩ
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Pins2 
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MountSMT 
Length7 mm
Height4.8 mm
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Operating Temperature -40 °C up to +150 °C
–Check availability
61300211121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
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Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Rated Current3 A
Pins2 
TypeStraight 
MountTHT 
Length5.08 mm
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Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
–Check availability