We have built boards based on DA14683 chip. The boards are yet to be programmed.
I see that there is no voltage seen on "VDD1V8P" rail on some boards, on a very few boards it is about 2.6V and on most of the boards, it is 1.8V. Rest of the supplies V33, VDD1V8, V12, V14 are measuring accurate on all boards. We have 2 sensor chips and 1 RTC chip on the VDD1V8P rail.
The board hardly draws any current. Can I know what is happening to this rail? How to fix it?