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BQ25600: Cout Question

Jerry Chu
Genius 4915 points
Part Number: BQ25600

Hi Expert,

How to calculate the Cout(Vsys)? EVM used 10uF+10uF. If I used 22uF+22uF or 47uF+47uF, any side effect? Because I am  considering about the heavy load. Thanks!

  • 0
    TI__Mastermind 25800 points
    Hey Jerry,

    I would refer to Section 9.2.2.4 Output Capacitor, of the datasheet for the bq25600. This should give you a good way to calculate expected output voltage ripple on SYS. Too much capacitance may affect the internal loop compensation, but if we're only looking at the 100uF, you should be fine.


    Regards,
    Joel H