120mA current consumption when supply external 3V3 power - Nucleo-WL55JC1 (CN6)

[digidhamu]

When you power Nucleo-WL55JC! with external 3V3 via CN6, I could see constant 120mA current consumption. Is there any way we can reduce this?

[digidhamu]

I have tried removing 5V_PWR jumper JP7 and no jumpers on JP4 as per the documentation but no luck

[Louis AUDOLY]

Hello,

Can you tell me which program you are using to reproduce your behavior please.

Have a nice day

Regards

[digidhamu]

LoRaWAN_End_Node application provided by ST under this path

Projects/NUCLEO-WL55JC/Applications/LoRaWAN/LoRaWAN_End_Node

Thanks LAUDO and wait for your advise.

[digidhamu]

Is there any update on this @Louis AUDOLY​ as I waiting to solve of my use cases

[Louis AUDOLY]

Hello @digidhamu​ ,

Sorry for the late reply

I tested the power consumption of a nucleo board with the end_node project and my consumption were around 20mA when we did a Tx and a below 200uA when nothing happen.

Don't you have any expansion board connected to the nucleo ?

Best regards

[digidhamu]

Thanks @Louis AUDOLY​ I didn't connect any expansion board. Would it possible to send picture of your setup and this will help me to report you back faster?