How To Determine Boron Charging

Firmware
1

How best to determine if a Boron is currently charging from an attached power supply.

Right now I’m using the FuelGauge to get the SOC and I would like to be able to determine when to attach a power supply to start charging.

Currently I have a 400 mA lithium battery attached to the Boron.

I would then attach an external 5volt power supply and charge to a certain voltage.

I know there is both a Fuel Gauge and the PMIC. Which would be the best to use.

Thanks for your help

2

Definitely use the PMIC. However, even easier than using the PMIC is using System.batteryState(). It returns whether it’s charging, fully charged, etc…

1 Like
3

Thanks Rick

4

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