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BQ25703A: BQ25703A

Ehsan Asadi
Prodigy 90 points
Part Number: BQ25703A

i have some lead acid battery that nominal current of them is 17 A but max current that  IC bq25703a can support is 8.128 A. can i parallel 2 ic to support nominal current of battery?

if i can't achive to nominal current of  lead acid battery accure any problem in charge algoritms ?(such as constant current,...)

  • 0
    TI__Guru 56650 points
    Ehsan,

    You can change the charging current sense resistor to 5mohm to double the charging current to 16.256A. BTW, what is the input source current limit? BQ25703A limits the input current around 6A which cannot be increased by changing the sense resistor.
    BQ25703A is a slave charger. The charge algorithms is controlled by host controller. I don't see any problem for BQ25703A.