HTTP Requests not functioning when disabling adp536xbuckboostregulator

[amr7102]

We are using adp536x to turn on/off the 3.3 V source as to determine the usage of a specific water valve. Unfortunately, whenever we have a circuit connected and turn the source off, the code seems to hang, however when a circuit is disconnected the code works fine and the voltage changes as necessary. It seems to hang right after turning the power off and doing an HTTP request, so we think it may be interfering with LTE usage. 

[Kenneth]

I suspect the supply voltage fall below minimum operating conditions for the modem, and then the modem will shut down. Can you try to connect a steady power supply that can deliver more current to check if the problem persists?

Depending on which modem version you are using you can also check for this by either (modem v1.3.0 or newer) use %mdmev=1: then if voltage fall to low you will get a notification that says %MDMEV: ME BATTERY LOW or (all modem versions) use %xvbatlvl=1: then get notification with %XVBATLOWLVL: <battery_voltage>.

Best regards,
Kenneth