VisIC V22N65A GaN Half Bridge Evaluation Board
User Manual USG-022650-004
All the above is subject to T’s & C’s agreed by the parties – VER 3.4
Preliminary Data Sheet: VisIC, Ltd. reserves the right to make design improvement changes at any time.
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User Guide USG-022650-001
Page | 16
The time between pulses should be long enough for stabilization after turn OFF (300-
500ns)
The second pulse for the data acquisition (duration 300-500ns).
3.
Connect the coil between the Coil and HV+ terminals.
4.
Connect the DC power supply to the terminals HV+ and HV-.
5.
Please make sure that the designated current path connections on both PCB sides are not
shorted.
6.
The current shunt should be mounted in the designated location on PCB adjacent to the low
side GaN Switch source.
3
7.
High voltage differential probe (Bumblebee™ PMK) are connected to -HV-DC and MID POINT
test points
.
(a)
(b)
Fig. 8 Setup for switching energy measurement: (a) bottom side: current shunt placement; (b)
component side: the board connections
3
In case of using a current probe and voltage probe they should be de-skewed to insure that all of
the delays are the same.
