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BQ40Z50-R1: consumption current during safety status.

Ernest Yong
Expert 4360 points
Part Number: BQ40Z50-R1

Hi Team,

I would like to check on the current consumption of the IC.

Example, if the battery pack is charged and gets a COV safety, the battery pack voltage is lower due to the CHG FET closed.

 

Normally, the status of the MOSFETS are always on because it is a Non removable pack.  There is no communication.

I am wondering if the consumption current during the safety state is higher during normal conditions of a non removable pack with no communications.

 

Please advise.

Thanks.

  • 0
    TI__Mastermind 28440 points

    Hi Ernest,

    I believe this would need to be tested, since many protections contain the XDSG and XCHG enable, which disables their respective FETs. I believe when these are triggered, it could potentially alter the consumption of the device in normal mode.

    Regards,

    Anthony Baldino