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TPS65320D-Q1: Rboot calculation application notes

Imelda Zhang
Intellectual 2780 points
Part Number: TPS65320D-Q1

Hi Expert,

Thanks for your help!

Recently my customer using the TPS65320D-Q1.

The EMI is a little higher in 2.4G. When they add a  Rboot of 10Ohm, the EMI is limit.

Would you mind sharing with me some application notes to calculate the Rboot?

Looking forward to your reply!

  • +1
    TI__Genius 12735 points

    Hi Imelda,

    I would recommend using a resistor value of 5 ohms or below for Rboot. As the Rboot value increases the efficiency will decrease. The customer may need to do some testing to determine the best Rboot value for their design. The customer can also consider adding a snubber circuit to help with EMC/EMI performance.

    Best regards,

    Layne J