GS-EVB-HB-66508B-RN Technical Manual
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GS-EVB-HB-66508B-RN Rev. 210118 © 2021 GaN Systems Inc.
www.gansystems.com 6
Please refer to the Evaluation Board/Kit Important Notice on page 26
Figure 6 Gate drive power supply
Current shunt:
•
The board provides an optional current shunt position
E
(figure2) between the source of Q2 and
power ground return. This allows drain current measurement for switching characterization test
such as Eon/Eoff measurement.
•
The current shunt is also used to provide the OCP signal for the RAA226110 to trigger OCP. The
OCP threchold voltage 40mV/80mV/120mV can be configured through the IDSET pin of
RAA226110.
•
If current shunt is not used position
E
must be shorted.
Figure 7 Current shunt position
E
Q2 source
VDC-
Shunt
