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BQ77915: How to connect a charger and current sensor

Alyson Bourque
Prodigy 10 points
Part Number: BQ77915

Tool/software:

I'm using the BQ7791500 with a 0.025ohm resistor. 

I'm unsure as to the maximum current the IC can handle in a short circuit discharge. 

I don't understand how to connect my charger IC to the BQ77915. I was trying to do something like this : 

but i'm not convinced it will interrupt my charge/discharge in case of fault condition. 

Thank you !

  • 0
    TI__Mastermind 24300 points

    Hi Alyson,

    You can refer to the recommended maximum ratings of the SRP and SRN pins to determine what current the device is capable of handling.

    That is the recommended way to connect a charger. The CHG FET will correctly block the charging current from flowing.

    Regards,

    Max Verboncoeur