Tool/software:
Hi team,
Customer uses 3 TPS25947 for ORing. PGTH supervises input voltage with resistor divider.
When considering all input are available without fault, does the all three TPS25947 output H at PG pin? or, only one TPS25947 which conducts output H at PG pin?
Regards,
Hayashi
Hi Hayashi-san,
I am assuming you have Active oring topology similar to the datasheet.
Since only one device will remain on and other two devices will go into reverse current blocking so there PG pin will go to low level. So we recommend using a OR gate to get system_PG signal which tells at least one supply is providing the power.
Best Regards,
Arush
