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DRV8350: Charge pump capacitor value range CPH CPL

Frank Rothoff
Expert 6320 points
Part Number: DRV8350

Hi team,

DRV8350 Datasheet specifies 47nF, VDRAIN-rated between CPL and CPH.

 

Is it ok to use 100nF? What’s the range of allowed capacitance values here?

  • 0
    TI__Mastermind 20846 points

    Hey Frank,

    I recommend sticking with the DS recommendation of 47nF cap on CPH-CPL as this was the value used to predict charge pump behavior and values shown in DS.

    Having larger than recommended value, can take longer to charge.

    Best,
    Akshay