EPC

EPC9508

Amplifier Board for 6.78 MHz, ZVS Class-D Wireless System using EPC8009/EPC2007

Topology: Buck
Input Voltage (min.): 6.00 V
Input Voltage (max.): 36.00 V
Switching Frequency (max.): 6780.00 kHz
Output 1: 2.00 V / 1.500 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 instrumentation hookup. A simplified diagram of the amplifier board is given in Figure 1.

Products

  Order Code SPEC Product series Pins Reihen Gender Typ IR 1
(A)
Verpackung Pins P
(mm)
Montageart Arbeitsspannung
(V (AC))
PCB/Kabel/Panel Kontaktwiderstand
(mΩ)
Tol. R L
(mm)
L
(µH)
IR
(A)
LR
(µH)
ISAT
(A)
RDC
(mΩ)
fres
(MHz)
Material Version Samples
61300111121 PDF WR-PHD 2.54 mm THT Pin Header 1 Single Pin Header Straight 3 Bag
60900213421 PDF WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point 1 Jumper 3 Bag
645002114822 PDF WR-WTB 3.96 mm Male Vertical Locking Header Male Vertical 7 Bag 2 3.96 THT 250 PCB 20 max. 7.92
744314101 PDF WE-HCI SMT Flat Wire High Current Inductor 10 3.5 7.5 4 33 40 Superflux SMT