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TLC5922: Questions about TLC5922 output LED leakage issue when LED is off

Jacky Wang(QD)
Genius 10470 points
Part Number: TLC5922

Hi Team,

Customer is evaluating our TLC5922 LED driver, they found when the LED output is disabled with 0 current setting, the LED still slightly lights on with some leakage current. Do you have any suggestion to optimize it?

Below is customer's schematic, FYI.

Thanks.

  • 0
    TI__Genius 17475 points

    Hi Jacky,

    I do not see any problem from the schematic. Please provide more detailed information if possible.

    Could you show me how the customer connects the LEDs? Is there any photo / video depicting the slightly-lit LEDs?

    Could you tell me what is the end equipment?

    Best Regards,

    Steven