EC200T USIM_VDD Issue

Hi,

we are using EC200T-CN Module in our custom design, Supply is 4.0V , VDD_EXT is 1.8V stable but it is not generating USIM_VDD. when sim detection is enabled, It generates USIM VDD for up to 50ms time and then goes to 0V.


Regards
Khodidas Domadiya

HI
You can contact your local FAE. We will provide a schematic review service and hope to help you.
Best wishes

Hi,

We found issue in our Hardware and resolved it.