How to power off a device in the Nordic, under application control. In a Zephyr environment?

[Jordan Archer]

I'm looking for assistance or example sources of being able to dynamically control the Nordice device subsystems power.  i.e. the serial uart used for the Zephry shell.  But also how to dynamically get the Nordic into lower power states.

[Jordan Archer]

What is the average power draw from that example on the DK? 

I'm seeing 2.4 ma.

[Amanda Hsieh]

Hi, 

The examples in NCS are not optimized for power. You can take a look at Power optimization and this blog for Optimizing Power on nRF5340 SoC Designs. 

-Amanda

[Jordan Archer]

I'm still looking for my 2.5 ma of power. 

And I'm going to push for an answer of something that is connected over BLE (even at slow data rates), but gets the power down much lower than 2.5 ma.

[Amanda Hsieh]

Hi, 

Sorry, I am confused. What is your expectation for the average power? 2.5 ma or lower than 2.5 ma?

-Amanda

[Jordan Archer]

Much lower than 2.5ma.  0.25ma would be nice. 

I know my board design can do down to 0.07 ma, but that's with BLE and the network processor turned off.