Hi
I did a costume board.I am using 5V adaptor.I dont use USB input.if I use just 5V input and I dont put any battery,PG led is lithinig.But I measured 1.6V on VSYS.VDRV is 5V.PMIDI is 5V.PMIDU is 4.63V.if I put battery VSYS on 3.6V.Also battery voltage reduse under 3,5V charging is not starting.Can you help me?