nrf9160 VDD_GPIO

[austinaoe]

My use case is that the nrf9160 is running as a serial lte modem and I have a host controller that is controlling the ENABLE pin.  VDD will always be powered so can I leave VDD_GPIO always powered as well?  Or does VDD_GPIO need to be switched off when ENABLE=0?  I'm wondering if this is the typical way to handle this use case.  Thank you

[helsing]

Hi Andy,

Thank you for your patience. The Product Specification for nRF9160 on VDD_GPIO:

"If ENABLE is low, VDD_GPIO should also be low."

Is this what you were asking?

Best regards,

Håkon

[austinaoe]

If ENABLE is low, can VDD_GPIO be floating/disconnected?

[helsing]

Hi Andy, sorry for the very long delay. 

As mentioned, the recommendation is to keep VDD_GPIO low. Did you find any solution to your situation? 

Best regards, 

Håkon