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Hello Naveen,
It appears you're driving high-side back-to-back FETs.
I have attached an app note discussing similar topology using different drivers. The concept is also applicable to the UCC21222 IC.
From your diagram it appears each channel of the IC is driving each FET separately, or did you mean to drive both FETs through the same channel with both gates shorted.
Regards,
-Mamadou
Hi Mamadou
Yes we are driving both the FETs with two separate channels of the driver IC.
Thanks,
Naveen