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To make LM3429 can detect opened or shorted LED status.

Jin Kim
Intellectual 430 points
Other Parts Discussed in Thread: LM3429, LM3423

Hi, TIer

I'm considering LM3429. But, It seems that do not support OPEN LED/SHORT LED.

So, If you have any application note or related document for making it can detect Open and Short LED. Also I want to send a failure signal(High/Low) to another device.

Hope to see a solution for my query.

Thanks.

  • 0
    TI__Expert 5130 points

    Hello Jin,

    You may have a look at LM3423. It has LED output status flag and fault status flag.

    You can refer to the LM3423 data sheet pg.23 and application of LM342 EVM(http://www.ti.com/lit/ug/snva416a/snva416a.pdf) pg.11 for details.

    Best regards,

    Victor