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BQ27520-G4: Sleep mode

Likhitha Eugene James P
Expert 2270 points
Part Number: BQ27520-G4

Hi,

In sleep mode if i tried to read the SOC every 500milli second will i get the correct reading.

Thanks,

Likhitha

  • 0
    TI__Mastermind 49311 points
    Hi, Likhitha,
    In SLEEP mode, the fuel gauge measures VIT every 20 s, instead of 1 s. The VIT measurement used for the OCV calculation is the last VIT measured before the OCV_CMD was received. Sleep current is usually below the OCV current-fail threshold. So, the recommendations for the OCV_CMD sent during SLEEP mode is that the VIT remains stable and below the sleep threshold from the time OCV_CMD is sent until the end of SOC_INT.

    Thanks!
    Phil