I'm having a problem with a RX62T on an inverter board to drive a 3 IGBT's-IPM in order to run a 3 phase compressor from a split unit air conditioner. 2 of the Hi-outputs have a stable 82µs pulse, driving the IPM, but the 3rd Hi-output (pin 53 RX62T) starts up with 82µs and goes to almost DC and forces the IPM in to protection mode because of over current. Is this a fault in the RX62T or is it to be solved with programming and what is the best and most economical solution considering the support of recycle ? I appreciate your input.
In reply to Gerald:
Thank you Gerald for showing interest to a solution to this matter. The voltage level is stable but the cutoff cycle drops from about 82µs to 5µs or less on pin 53 while the driving cycle goes from 82µs to 159µs or more and forces the inverter power module (IPM) into protection. The other 2 outputs are stable with a cutoff period of 82µs and a drive period of 82µs. What can be the cause and is there a suggestion or a link to program this faulty pin or is there an external input that can affect this pin ?
In reply to TTT-Leaders:
In reply to Mike Clements: