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BQ40Z80: If the CHG & DSG of BQ40Z80 could be divided

Kane Zhang
Intellectual 585 points
Part Number: BQ40Z80

Dear TI Experts，

For BQ40Z80，if the DSG & CHG could be divided？ that we can CHG & DSG independently。

Do you have any suggestion？or can provide some reference design

 

  • 0
    TI__Mastermind 42535 points

    Hi Kane,

    If you mean using parallel paths for chg and dsg, yes, you can do that. However, if you do that given that you will have to connect dsg FET drain across source of chg FET, you will lose reverse polarity protection. You can do it. We do not recommend it. We also don't have a design.