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TPS25924: Programming the Current-Limit Threshold: RILIM Selectio

Part Number: TPS25924

Hi All,

I have a question about TPS259241.


When RILIN is set to 150kΩ, IILIM = 5.2A when calculated with Equation 4.


It differs from the values of electrical characteristics below. 


Is there any reason why the values are different?


Best Regards,
Ishiwata

  • Hi Ishiwata,

    The value of ILIM specified in datasheet is specified at a particular test condition when Vin-Vout=1v . Also minimum and maximum possible values are also specified to consider the variations due to temperature and other factors.

    So the calculated value from formula is a approximate value which can vary due to other factors but if device is used at recommended conditions the value shall remain between the max and min value.

    These are pictures from datasheet showing variation with  test condition:

      

    Hope that answers your query.

    Thanks

    Kunal Goel

  • Hi Kunal,

    Sorry for the late reply.
    Thank you for your answer.

    Best Regards,
    Ishiwata