Digi2 Pro power input connections

Hi everyone. I have a Digi2Pro connected to a pi3B+ and use the digi2 power pins to provide the power to the whole thing rather than use the USB power socket.  I am feeding this with a 4A linear power supply with the voltage set to 5.2V (off load).  The pi reports 'under power' during boot and occasionally when running Volumio.  I have monitored the voltage during use and the supply never drops below 5.15V (under load).  It is sometimes slow to boot.  I'm worried that the digi2 is somehow limiting the current or causing a voltage drop into the pi.  Has anyone else experienced this?  Should I switch to using the USB power input rather than the digi2 pins?


Please sign in to leave a comment.