I am getting a spike in input current. Is this correct or there is some timing mismatch in delays. Also what is cause for the notches in the transformer voltages. The schematic is attached showing current measurement point and the devices chosen for measurement.
I am attaching my Primary Side device and QA and Secondary Device QF (synchronous) gating signals. Should The QF be on more than QA or is this sufficiently
Both as long as F-A is always greater than zero at max junction temp to avoid shoot-thru since delays/risetime increase with T.
So there must be safety margin and that means a RD snubber may be needed if you want to clamp V=LdI/dt, yet only at 100% PWM, since this is a tri-level driver. ( or ought to be)