DP83867E: DP83867ERGZR: Transformer Connection

Sujith Mohandas

Part Number: DP83867E

Tool/software:

Hi Team,

I have done a design using DP83867ERGZR PHY with external transfomer HX5120NL. I would like to get your support to review the design.
Attached below the schematics pdf and design notes. kindly review the design and provide your feedbacks.

1. DP83867ERGZR is configured as SGMII to 10/100/1000Base-T

2. Can we connect the PHY MDI Lanes to transformer primary winding as per below attached connection 1 and Connection 2 , please confirm which is correct ?

TI ETHERNEt PHY DESIGN.pdf

Thanks,
Sujith M

9 months ago

0 J 9 months ago

TI__Mastermind 24361 points

Hi Sujith,
Either transformer fits our recommendation.
Attached is the schematic review checklist with our feedback.
Commented_DP83867_Schematic_Checklist.xlsx
Please let me know if you have any questions.

Best,
J

0 Sujith Mohandas 9 months ago in reply to J

Prodigy 40 points

Hi,

You ment to say both the transformer connections are proper??

Thank you for the schematics checklist. I will go through same.

Regards,S

SUJITH

0 J 9 months ago in reply to Sujith Mohandas

TI__Mastermind 24361 points

Hi Sujith,

Yes, both transformer connections are proper. They actually look the same at least on the picture you posted.

Best,
J

Interface

Interface forum

DP83867E: DP83867ERGZR: Transformer Connection