Current consumption of nRF51822 DevKit

[Reinhard]

Hi, I´ve programmed the nRF51822 DevKit´s module (PCA10004) with S110 SoftDevice and example <ble_app_pwr_profiling>. In SystemOffMode I measure a current consumption of about 20µA, but I expected <1µA. Is this the current consumption of the additional INA216 amplifier ?

[Ole Morten]

Yes, to measure low currents, I'd recommend to do current measurements on P7 on the motherboard instead of using the CSM. This can be done by setting the jumper on K1 to pins 1 and 2, and then using an amperemeter directly on P7 (replace the jumper there with an amperemeter). This should show you the real consumption in system off, < 1 µA.

[Matthieu Tardivon]

Hi,

I am having some similar problem with the PCA10001 v1.0. Between advertising peaks, I measure a current of 25-30uA while 3uA are expected. Do you have an explanation for that?

[Ole Morten]

It would have been nice if you posted this as a separate question instead of hijacking this old one. However, when doing current measurements on the PCA10001, you should make sure to remove the jumpers on P8 on version 1.0, or turn off the Segger using SW4 on version 2.0.

If this doesn' solve it, please post a separate question.

[Bastiaan]

Sorry, I thought that the title of the topic corresponded exactly to the problem I am having (as PCA10001 also belongs to the Devkit) and that a solution to it in this topic would have simplified the search of a similar problem for a developer. However P8 was removed during the measurements, thus I will open a new post, you can delete this one and the previous if you want.

[Guest]

Sorry, I thought that the title of the topic corresponded exactly to the problem I am having (as PCA10001 also belongs to the Devkit) and that a solution to it in this topic would have simplified the search of a similar problem for a developer. However P8 was removed during the measurements, thus I will open a new post, you can delete this one and the previous if you want.