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TPSI3052: Tstart is not able to be calucurated

Hideki Hayashi1
Expert 7310 points
Part Number: TPSI3052

Hi team,

When using calc sheet, Tstart value is sometimes not shown up. When and which setting does it happen? In this case, TPSI3052 can't be used?

TPSI305x_calculator_1p24_Question.xlsx

Best regards,

Hayashi

  • 0
    TI__Expert 5536 points

    Hello Hayashi-san,

    This looks like a bug with the power transfer tab calculations. You can use the TPSI3052 to switch 30 kHz in your given settings since it is less than 30.8 kHz. For now, please leave the fEN cell on the "User Input" tab empty. Then, input the other values and refer at the end to the fEN_MAX column in the power transfer tab for the maximum switching frequency. It is not necessary to input a fEN value if you are below the maximum switching frequency calculated in the fEN_MAX column for a given power transfer setting.

    Best regards,
    Tilden Chen

    Solid State Relays | Applications Engineer