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How to calculate Vtrip at TPS53014

masa0301
Intellectual 960 points
Other Parts Discussed in Thread: TPS53014

Hi

My coustomer current using TPS53014/5.

Can I teach me below quastion.

How to calculate the value of Vtrip in the Table①

Best regards,

masa

  • 0
    TI__Genius 13700 points

    Hello Masa,

    Vin = Input voltage

    Vout = Output voltage

    L = Inductor value in Henries

    Fsw = switching frequency (should be 500kHz)

    Rdson = On state resistance of the low side MOSFET

    You then pick your over desired over current limit and then solve for the Vtrip and the select the proper resistor value that fits the desired limit. This resistor then goes between the DRVL and PGND pins.