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I want to read LED on, off timming

Sangkyu Kim
Intellectual 290 points
Other Parts Discussed in Thread: AFE4400

Hi, I want to LED1, LED2 on/off timming .

My LED operate 7.6v and 5.6v, so I make external LED control circuit.

But, how can I read LED1, LED2 on/off timming ?

I make OP-Amp comparator, but fail.

  • 0
    TI__Genius 12575 points
    Hi Sangkyu,

    To understand you application, could you please answer following question.
    1) What is connected to LED_DRV_SUP?
    2) Do both the LEDs have common anode? If yes, are you planning to build a LED driver circuit to switch common anode node between 7.6 V and 5.6V?
    3) Can you please elaborate, how do you connect your Op-amp circuit with AFE4400?

    Regards,
    Prabin