SBVU075 April 2022
J1 (PG) is a 2-pin header used for the power-good (PG) feature of the TPS7A57 LDO.
When the 2-pin shunt is placed across the header, the PG pin is pulled up to VOUT using a 100-kΩ resistor.
For more information regarding PG functionality, see the TPS7A57 data sheet.