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  • TI Thinks Resolved

TIDA-010039: TIDA-010039

Prodigy 665 points

Replies: 1

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Part Number: TIDA-010039

Hi Team, 

A customer of mine has the following query! 

Currently re-calculating the LCL filter for the AC/DC converter input according to TIDA-010039 (paragraph 2.3.1.2) for simulation purposes.

However the formula to determine the attenuation factor seems to be incorrect/off (see picture below).

When I (re)calculate the example values from the derived formula (in formula (6)) I get an r value of 0.56% (instead of 2.7%)?

I tried to substitute from formula 5 towards 6 but I could not make any sense out of it. Maybe formula 5 is incorrect?

Looking forward to your response. 

Thanks

Obinna.

  • Hi Obina,

    I am looking into correcting the mistake here. I will update this post with the corrected information shortly.

    Best Regards,

    Ram

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