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BQ24800: About Input Filter Design(Chapter.9.2.1.2.11)

Part Number: BQ24800

Could you teach the R1 and C1 design method, please?

(1).Could you teach me the conditions for calculating R1=2Ω and C1=2.2uH.

     I want to know the calculation method and the conditions used for the calculation.

     Condition e.g, parastic inductance and capacitor, inpedance  of adapter cable.

(2). Besides, we would like to know R1's necessary rated power and  the calculation method.

<Background>

・We can  use the 10ohm (0.33W) . But we can't use R1(2010 inch size) now.

  Therefore, we would like to consider that we can use  10ohm(0.33W) or not, depend on calculatiion result. 

Best regards,