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expand bq27541 over datasheet energy capacity

Ming Yu
Expert 4050 points

we have a new project 1S4P application and it Design Energy is 34040 over spec.(32767Max.)

Do you have idea for how to solve this problem?

  • 0
    TI__Expert 4050 points

    You have to cheat the gauge a little by scaling the Rs value to get the capacity that is a scale down value. For example, if the actual Rs = 10mohm, you tell gauge it is 20mohm, then the current reported will be half of the actual value, then the total capacity will be cut in half as well.

     

    Thanks

    Ming