TPS54821 webench design

Kai Hsiao

Guru 12675 points

Other Parts Discussed in Thread: TPS54821

Dear Sir

I use TI Webench to simulate 12Vin to 1.1Vout / 8A

But the result use 18pcs of 22uF capacitor ,Is it correct ??? I think it's too much

Thanks

over 9 years ago

0 LaRita Gwie over 9 years ago

TI__Intellectual 980 points

Hi,

Thank you for informing us of this issue. The algorithm for the output capacitor has been adjusted. It will take a little time for the changes to show on production. Please check back in a day or two. Meanwhile, here is the schematic for the design criteria you mentioned:

Regards,

LaRita Gwie

WEBENCH® Applications

0 Kai Hsiao over 9 years ago in reply to LaRita Gwie

Guru 12675 points

Dear LaTita

Thanks for your great help ,If the tool issue of TPS54821 is solved ,Please kindly let me know

Thanks

0 LaRita Gwie over 9 years ago in reply to Kai Hsiao

TI__Intellectual 980 points

Hi,

Yes, the output capacitor selection is showing correctly on production now.
Please give it a try and let me know if you have any questions.

Regards,
LaRita Gwie
WEBENCH® Applications

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TPS54821 webench design