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DS90UB953-Q1: Hardware schematic review

Xuan Chen
Prodigy 50 points
Part Number: DS90UB953-Q1

We are designing a camera for automotive application, the ECU side using 953 deserializer. Can you help reviewing the schematic? 

using POC and work in synchronous mode.

  • 0
    TI__Guru** 103215 points

    Hello Xuan,

    The schematic looks good - can you just verify one item? What is the component part number for L101?

    Best Regards,

    Casey 

  • 0 in reply to Casey McCrea
    Prodigy 50 points

    Hi, Casey. Thanks a lot for your feedback. L101 we are intend to use TYS3015100M-10 from Larid

  • 0 in reply to Xuan Chen
    TI__Guru** 103215 points

    Xuan,

    Ok, in that case the schematic looks good - I see no issues

    Best Regards,

    Casey 

  • 0 in reply to Casey McCrea
    Prodigy 50 points

    Hi, Casey. Thanks a lot for your response. This reminding me one question, the system will have over 400mA peak current draw and the steady state current draw will be around 250mA. Will this cause any EMI issue with PoC? Do we have the recommended current and voltage recommendation?

  • 0 in reply to Xuan Chen
    TI__Guru** 103215 points

    Hello Xuan,

    The network from the datasheet that you are using here has a recommended continuous current draw of ~150mA. Is it possible for you to increase the PoC voltage in your system to reduce current and deliver the same power? If not then we may need to talk about alternative PoC network solutions 

    Best Regards,

    Casey 

  • 0 in reply to Casey McCrea
    Prodigy 50 points

    Hi, Casey. It might be hard to meet 150mA, we could possibly increase a little voltage to reduce the current to ~200mA. Can you suggest a different solution?

    In addition, if the peak current is a transit, it could above 150mA, right? 

  • 0 in reply to Xuan Chen
    TI__Guru** 103215 points

    Hello Xuan,

    I have some additional collateral that I can share with you under NDA so please continue this discussion with me in private E2E message 

    Thanks,

    Casey