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AFE4404EVM: Setting for 2 LED Mode instead of 3 LED Mode

Hong Tay
Expert 2465 points
Part Number: AFE4404EVM

Hi Sir/Madam,

Is it possible to set the EVM to 2 LED mode from 3 LED mode? Is it possible to set the gain separately?

Thanks. Hope to hear from you soon.

  • 0
    TI__Mastermind 49176 points
    Hello Hong,

    Yes it is possible to set the EVM to 2 led mode from the default 3 led mode by removing the on-board resistors.
    Alternately you may also switch to 2 led mode simply by setting the respective LED current to 0 in the GUI.

    You can set the gain separately only if you are using LED1 and LED2 as the LED phases.
    Please refer to section 8.3.1.1 in the datasheet to understand the operation with 2 LEDs and 3 LEDs.