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UCC28701 IDRV peak current Question?

Bob Lee62837
Mastermind 7230 points
Other Parts Discussed in Thread: UCC28701

Dear support team,


UCC28701 IDRV peak current Question.

IDRV calculation think the following formula.
IDRV=VDRV / RDRVLS.

Is it to use 6Ω and to calculate the peak value?


I have question for attached file.

8780.UCC28701_IDRV Peak Question_140804.pdf

Regard.

Bob Lee

  • 0
    TI__Expert 5900 points

    Hi Bob,

    There is condition for the 6Ω in the electrical table. It is tested at 0.01A sink current.

    If the current is higher, the resistance would vary.

    But I think for the rough calculation , you can use this value to calculate.

    Regards