TPS56837: Shorting Issue on TPS 56837

Part Number: TPS56837

Tool/software:

I need a review of the schematic for my circuit. We have been using the TPS56837, and the converter keeps shorting at startup of the system. from a load perspective, we have 2 fans ( 3 amps max each) and 2 LNA ( .2 amps max each). i have 2 ICS for redundancy