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BQ25122: Rlim Rset and Rpreterm

Damien_Effi
Intellectual 515 points
Part Number: BQ25122

Hi all,

In case of using the BQ25122 in stand alone mode, If i connect ILIM, ISET and IPRETERM to GND, what will be charge current and the input current limit?

what about the precharge current, what will be the % of ISET?

Thanks

Regards,

Damien

  • +1
    TI__Genius 13765 points

    Hi Damien,

    When the ILIM, ISET, or IPRETERM resistors are tied to GND, default register values are used for the configured values. For the BQ25122, the default register values will be:

    - ICHG = 11 mA

    - ILIM = 50 mA

    - IPRETERM = 0.5 mA

    In this case PreCharge current is not expressed as a % of ISET.

    Best Regards,

    Juan Ospina