Abstract: Infineon 3.3kV modules have been accepted by a lot of customers for their high power designs. The driver board for 3.3kV IGBT modules has some difference from 1.2kV and 1.7kV modules. It is necessary to do some detail analysis for 3.3kV driver schematic circuit.
Key word: 3.3kV IGBT, driver design, safe isolation, short circuit