DRV3205EVM: DRV3205EVM

Hello,

I examined the DRV3205EVM's schematic design. There's one point that I don't understand. I hope you can help me with it.

There's a voltage divider in the main supply and it produces VDCBUS. But actually it's not used anywhere except NUP4201MR6T1G. Can you explain the main purpose of using VDCBUS and using it on NUP4201MR6T1G? 

Thank you & Best Regards