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BLE scanning power consumption cc254x

maharjanbk
Intellectual 370 points

Hello all,

I would appreciate if someone tells me about power consumption by BLE central device for scanning.

I could guess during advertising, advertisement data are to be broadcasted. so physical layer and may be link layer will be ON during broadcasting and power consumption could be pretty high.

But I have no idea about what actually happens incase of scanning for advertisements.

Thank you all in advance,

Regards,
maharjanbk

  • 0
    Guru 18595 points

    Hi Maharjanbk,

    when scanning, the CC254x is in "Receiving" mode. As you can see in page 13 of this document:

    http://www.ti.com/lit/an/swra347a/swra347a.pdf

    The CC254x consumes around 17.5mA when receiving, which in turn is a typical value for RF transceivers.

    Have a nice day!