Use PCA10090 for field test

RE: Use PCA10090 for field test

Jared — Tue, 25 Jul 2023 14:23:10 GMT

Hi,

The Thingy:91 doesn't have the interface chip but it has other external components such as sensor and actuators, I don't think necessarily that it will a better choice for you. I would instead suggest making a small board that follows the reference design and doesn't contain any other component then what is specified there, That will represent the most minimal design needed to get the nRF9160 up and running,

regards

Jared

RE: Use PCA10090 for field test

ERAN GISSER — Tue, 25 Jul 2023 11:56:13 GMT

Hi Jared,

Yes , we measure the current through P22. That's not the problem. We want to connect our power source which has a very limited current capability and to connect as close as to nrf9160 at the easiest way.

if the nRF9160 DK is not the solution , our other option might be

Thingy91 - Is it more efficient to our need ?

I also consider to use 3rd party https://docs.actinius.com/icarus/datasheet#overview.

Tnx,

Eran.

RE: Use PCA10090 for field test

Jared — Tue, 25 Jul 2023 09:24:10 GMT

Hi,

Unfortunately, the nRF9160 DK doesn't have a "nRF Only" mode such as our other Devkits, and disconnecting it from the external components on the board is therefore not as easy. But if you measure the current through the P22 header, then you should only get the current that is running through the nRF9160.

regards
Jared