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Original question:

TUSB1210: Design Review

TUSB1210: .

Irshath Abdul Samed
Prodigy 20 points
Part Number: TUSB1210

Hi Team,

As we have updated the previous review comments from your technical team and have capture & attached the responses in PPT

  • Vbus should be connected to USB connector, can not ground (Review comment)

[Response from us] Vbus pin connected to USB 5V from the connector.

  • what REFCLK is connected? 19.2Mhz? (Review comment)

    [Response from us] The REFCLK pin is connected to 19.2Mhz USB_ULPI_REFCLK, from Processor.

Need some more clarification, please do the need

  • Please note that VBAT and VDD33 are shorted with a zero ohm resistor is it ok or not.
  • For 3.3V following ferrite bead [BLM18EG121SN1D] is used is it or is there any recommendation is there please let us know.
  • For 1.8V following ferrite bead [BLM18EG121SN1D] is used is it or is there any recommendation is there please let us know.

Attached the Updated Schematics file for your reference, kindly review the and give us your feedback

Regards,

Irshath


8540.USB.pdfTUSB1210_review_reply.pptx

  • 0
    TI__Guru** 122810 points

    Irshath:

        Schematic looks good after changes, is this device application?

        it's ok that VBAT and VDD33 are shorted with a zero ohm resistor.

        ferrite bead [BLM18EG121SN1D] should work for thsi design.

    Regadrs

    Brian