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Battery monitor for nRF52832

Enrique over 8 years ago

Does nRF52832 have battery monitor?

I can't find in the datasheet if there is an externarl circuit to monitor the battery. I'm using a CR2032 coin cell battery.

Thanks

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RK over 8 years ago +1

You can measure Vdd on the chip with the SAADC, Vdd is one of the inputs you can select for any of the channels. So as long as your battery is providing Vdd directly, you can measure it.
Ladasky over 8 years ago in reply to RK +1

That's true, but recently I've been learning more about battery monitoring than I ever wanted to know. Battery voltage does not have a simple relationship to battery usage. If you are drawing a lot of…

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0 Ladasky over 8 years ago

There are no dedicated battery pins on the nRF52832 pinout. As you pointed out, there is no reference to battery monitoring features in the documentation. It probably makes sense that the SoC does not have any battery features, since there are many possible configurations for powering the SoC.
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0 Ladasky over 8 years ago

There are no dedicated battery pins on the nRF52832 pinout. As you pointed out, there is no reference to battery monitoring features in the documentation. It probably makes sense that the SoC does not have any battery features, since there are many possible configurations for powering the SoC.
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