BQ76952EVM: Charge and Discharge Patch

Tool/software:

Hi

I am designing a BMS using BQ76952.

I use the BQ76952EVM reference design to make my own BMS

Could you explain to me what Q10 is for? 

I have attached the full schematic for you to checkBMS029B(001)_Sch.PDF

Thanks

BRs

Ryder