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FDC2214; Idrive setting by GUI Configuration

Takao Yamamoto
Genius 4135 points

Dear all,

I would like to know how to set Idrive by GUI.

I set this value by Sensor Initialization Current at Configuration of GUI.

At this item, I set Idrive by pushing 'Detect Idrive Init' and referring to this Code.

However, I am confused this Code because this Code changed at random under SAME condition.

And I checked this Code changed between 14 ~16 at random.

In this situation, what code should I chose?

Should I chose average code=15? or small side=(13~14)? or large side=(15~16)?

Could you teach me recommended code?

Best regards,

  • 0
    TI__Expert 8050 points
    Hello Yamamoto-san,

    'Detect Idrive Init' can give you a rough idea of what Idrive is needed to keep the oscillation between 1.2-1.8V. You may use the average value as a starting point. However, different sensors/systems will have different optimal Idrive for sensitivity. If you would like to find the optimal setting, it's best to manually test sensitivity vs Idrive with your setup for a wide range of Idrive.

    Best regards,
    Yibo