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TPSM82823: Layout pattern

Kento Sato
Intellectual 850 points
Part Number: TPSM82823

Hi team,

My customer is tring to use TPSM82823SILR, then we have below 2 questions.

- FB signal through Via

Now they're thinking FB signal is through Via and and connected with R and C at back side, because they don't have many experience of wiring under ceramic condenser.

Can you give us your insigt of concern or recommendation of wiring?

- Datasheet Rev.A --> Rev.B of TPSM8282xEVM-080

Customer can see reccomed pattern difference Rev. A and B, like Rev.A doesn't have a wiring under bypass capacitor.

Why did you have this change? Or do you have any concern to use Rev.A pattern?

Best regards,

Kento

  • +1
    TI__Genius 17140 points

    Hi Kento,

    Both revision A or B of the TPSM8282xEVM-080 can be used. The FB signal can be routed through a via like in rev. A. 

    Revision B was created for better EMI and thermal performance and to also highlight a smaller solution size.

    Best regards,

    Varun