GSWP100W-EVBPA
GaN E-HEMT Wireless Power Transfer Evaluation Board
User’s Guide
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GSWP100W-EVBPA Rev 180529
© 2018 GaN Systems Inc.
www.gansystems.com 13
Please refer to the Evaluation Board/Kit Important Notice on page 26
Quick Start Guide
The GSWP100W-EVBPA EVB is designed to as a platform for evaluating the GS61008P E-HEMTs in a
Push-Pull Class EF2 PA for WPT. This chapter will guide the user through the evaluation board
overview, PA operation, bench setup and test results.
Evaluation Board Overview
Kit Contents
The GSWP100W-EVBPA evaluation kit contains:
•
Power Amplifier evaluation board assembly
•
PA heatplate
•
PA EMC shield
•
2 pins DC cord
Evaluation board specifications
Table 3:
EVB specifications:
PARAMETER
SPECS
Input Voltage range
33V
DC
max
Tx output power
100W
Tx efficiency (peak)
88%
Topology/Class
EF2
Frequency
6.78 MHz
Switching type
Push/Pull
GaN Systems part number
GS61008P
Number of GS devices
2
Optimized RL (load)
30
Ω
Constant current mode
optional
The maximum operating specifications of the evaluation board are as follows:
•
Maximum HV supply input operating voltage of 33V
DC
•
Maximum LV supply input operating voltage of 7V
DC
•
Frequency of operation of 6.78MHz.
•
Maximum output power of 100W *
