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LM36011: Light will be darker when LED STROBE signal have a narrower high level

lihao liu
Prodigy 60 points
Part Number: LM36011

Dear TI

Our product use a led strobe signal to light up the torchlight.

The function will be fine when i set the reg(0x01) to 0x15. But i found that the brightness will be darker when LED STROBE have a narrower high level. This is question1

After testing, this issue will be solved in reg(0x01) to 0x1b. But will bring a new question, the light will show a flicker visible (bright to dark, and repeat) to the eye.

I will upload the issue video to the attachment.

Thanks.

  • 0
    Prodigy 60 points

  • 0 in reply to lihao liu
    Prodigy 60 points

    The video is issue2 situation.

    There is no shark in reg(0x01) to 0x15? 

    Weither root cause is the higher sensitivity than the level mode?

  • 0 in reply to lihao liu
    TI__Genius 11836 points

    Hi,

      What do you mean by a narrow high level? Have you test the current waveform and the corresponding strobe signal?

  • 0 in reply to Charles-Chen
    Prodigy 60 points

    Hi TI

    May i have your phone number for better communication？

  • 0 in reply to lihao liu
    TI__Genius 11836 points

    Hi lihao,

        You can insert waveforms in the threads or try to find the corresponding FAEs. They will help you in more direct way.