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WL1837MODCOM8I: The condition of the power consumption of WL1837MOD?

shigehiro tsuda
Mastermind 9490 points
Part Number: WL1837MODCOM8I
Other Parts Discussed in Thread: WL1837MOD, WL1837

Hi,

I refer to the following of WL1837MOD datasheet.
Table 6-1. WLAN Performance Parameters

WL1837 MOD datasheet:
http://www.tij.co.jp/jp/lit/ds/symlink/wl1837mod.pdf

This list has the following definitions.
a)Sleep current: 160 µA Leakage, firmware retained Connected
b)IDLE: 750 µA No traffic IDLE connect

Please tell me when this measurement condition defines each.

1.Would I set WLAN_EN in low?
2.Is it time of the wait state in WOWLAN?
3.other ?

Best Regards,
Shigehiro Tsuda

  • 0
    TI__Mastermind 35795 points
    hi , sleep current is when WiLink8 is ON but not connected to an AP. Idle current is when WiLink8 is connected to an AP but not sending/receiving any data traffic .
    Saurabh
  • 0 in reply to S
    TI__Mastermind 30275 points

    Hi Narang,

    What would be the current consumption when:
                  Power is applied to VBAT/VIO
                  WLAN_EN and BT_EN are grounded

    This correspond to the scenario highligted in pink region below (from www.ti.com/.../swru437.pdf) :

    Anthony

  • 0 in reply to AnBer
    TI__Expert 3240 points

    Hello Anthony,

     

    Pardon the delay, Saurabh is not available for the time being. I should be able to help you though.

    My understanding is that you are interested in the current consumption when the Enable signals are low. In Section 5.22.2 Power-Up and Shut-Down States of the data sheet it defines the Shutdown state as Vbat, Vio, and slow clock are being fed to the device, but WL_EN is low. I believe this is the scenario we are interested in. Later in Table 6-3 Shutdown and Sleep Currents is gives us the power power supply currents of both Vbat and Vio:

       

    My reading of this is that when Vbat, Vio, and slow clock are applied while the Enable signals are low the leakage current consumption is approx 12 uA.

     

    I hope that helps,

    ~Danny W