mosfet los side

[kikiloaw]

hi TheDIYGuy999
can you help me with my circuit? I have build my own with different code. I can share the code for you to examine. Right now having a problem burning my lowside mosfet.
i am trying to build max solar 84v input if okay. can you explain how your charge pump prevent blowing lowside mosfet. can you examine my code? i have different driver that can enable. synchronous and non-synchronous mode.