GSWP050W-EVBPA
GaN E-HEMT Wireless Power Transfer Evaluation Board
User’s Guide
_____________________________________________________________________________________________________________________
GSWP050W-EVBPA Rev 190304
© 2019 GaN Systems Inc.
www.gansystems.com 14
Please refer to the Evaluation Board/Kit Important Notice on page 22
Note: * The maximum output power depends on the input voltage, as shown in Figures 21 and
24.
Test points
To monitor the performance of PA, test points are provided and as described in Table 4. All test points
are available on the top side of the board, none are on the bottom side. The test points locations are
silkscreened on the PCB.
Table 4
: Test point description
Test point
Description
TP197
U90 input (PE29102 driver)
TP76
U6 input (PE29102 driver)
TP8
Q77 Gate voltage
TP81
Q76 Gate voltage
TP189
Q77 Drain voltage
TP82
Q76 Drain voltage
TP176
25V DC current detection
Evaluation Bench Test Setup
The test bench setup for the GSWP050W-EVBPA EVB is shown in Figure 15. Ensure that the safety
precautions mentioned on page 2 are followed.
Figure 15 •
Bench setup
A recommended list equipment is provided below. Equipment with equivalent performance
specifications can be substituted. In all cases, ensure that it is well calibration.
