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TPS650830: Mistakes in data sheet description?

Kenji Ohno1
Genius 5095 points
Part Number: TPS650830


Hi Team,

In the TPS650830 data sheet, there are parts that seem to be wrong.

In the equation that determines the constant of overcurrent protection of equation (3) in P.131

Is not "x1.3" necessary?, Or "IOUTMAX" instead of "IOCL"?

Reason: I think that x1.3 is 130% of "set IOCL to 130% of IOUTMAX" listed above equation (3).

However, Eq. (3) contains the IOCL, plus x1.3 is done there.

130% of IOUTMAX can be understood as IOCL.

So, if you use IOCL in equation (3), x1.3 is unnecessary, and if you use x1.3, I think that it is not IOCL but IOUTMAX.

Best Regards,

Kenji

  • 0
    TI__Mastermind 49651 points
    Hi Kenji,

    Thanks for your interest in our devices and feedback us!
    Actually, the equation has no mistake, but a statement is needed in our next reversion of datasheet. The statement should be: the accuracy of the current limit is expected to vary up to 30% across temp / process (FET RDSon primarily); so, the "1.3" in the equation is for the RDSon variation, and the IOCL in the equation is for the "1.3 x IOUTMAX".

    Thanks!
    Phil
  • 0 in reply to Phil Yi
    Genius 5095 points
    Phil-san,

    Thank you for your answer!

    Best Regards,
    Kenji