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Thanks, but as you know, If you want to drive a high side FET for a full bridge, then its either.....
1....Bootstrap high side drive
2....Bipolar gate drive transformer
3....Gate drive transformer with DC restore and PNP turn off
4....Isolated high side supply referenced to upper fet source, with digital isolator pulsing up to high side gate driver
i've depicted 2 and 3, so you must be in favour of 1 or 4?