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Nordic Case Info

Case ID: 238325

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Putting bl654 in sleep mode

dkj047 over 5 years ago

Hi all

How to put BL654 in deep sleep mode and standby doze mode using nordic nrf52840 ?? Also how to turn the system off??

Thanks

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Simonr over 5 years ago +1

Hi Depending on whether you're using the SoftDevice or not, there are a few ways to do this. No SoftDevice: System ON mode. You can create a power manage function, consisting of __WFE(); __SEV…
Simonr over 5 years ago +1

Hi If you still have the logging showing you NRF_SUCCESS or not after the idle_state_handle() call the chip will wake up right away and enable the logging module, which will cause an additional current…
Simonr over 5 years ago +1

You can uninitialize the logger module before going to sleep and reinitialize it as part of your wake-up routine. Will that be an acceptable method? Best regards, Simon

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0 Simonr over 5 years ago

Hi

Can you try replacing the sd_app_evt_wait(); call with a call to idle_state_handle() instead, as that should prepare the chip and set it to sleep properly?

Best regards,

Simon
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0 dkj047 over 5 years ago in reply to Simonr

Hi

I have replaced the sd_app_evt_wait() with idle_state_handle () but the current consumption I am getting is still 1.7mA
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0 dkj047 over 5 years ago in reply to Simonr

Hi

I have replaced the sd_app_evt_wait() with idle_state_handle () but the current consumption I am getting is still 1.7mA
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