DP83867E: Project schematic review

Jimmy Huang

Genius 3515 points

Part Number: DP83867E
Other Parts Discussed in Thread: TCA6408A

Hello：

Please assist in conducting a review of the MC project schematic about DP83867 & TCA6408A

Due to the urgency of the project, we hope to receive feedback as soon as possible，Thanks！！！

over 1 year ago

0 Hillman Lin over 1 year ago

TI__Mastermind 25945 points

Hi Jimmy,

Here are couple concern on my side. Is customer using integrated magnetic for RJ45 connector? If so, is integrated magnetic have the shorted center tap?

Pleas do make to include a transformer for isolation and center tap of the transformer are discrete.

Here is the schematic checklist that would help customer:

0181.DP83867_Schematic_Design_Review_Checklist.xlsx

Regards,

Hillman Lin

0 Jimmy Huang over 1 year ago in reply to Hillman Lin

Genius 3515 points

Hi Hillman:

Is it possible to use 3.3V-2.5V, 2.5V-1.8V, and 1.8V-1.0V power supply methods for the 3-way LDO power supply of DP83867IRRGZT? Thanks!!!

0 Hillman Lin over 1 year ago in reply to Jimmy Huang

TI__Mastermind 25945 points

Hi Jimmy,

Three power supply is allow. However do make sure 2.5V come before 1.8V during power up sequence.

Regards,

Hillman Lin

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DP83867E: Project schematic review