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Basic Isolation and Reinforced Digital Isolator

Patrick Zeng
Intellectual 1090 points


Hi team,

  I'd like to ask a question on the difference between Basic Isolation and Reinforced Digital Isolator

  I understand isolation performance is quantified at the component level by parameters such as VIORM, VIOWM, VIOTM, VISO, etc.. Does it mean all the reinforced sockets have better prformance(specs mentioned above) than basic isolation sockets?

  Is there a specific parameter we can differetiate whether the device is basic or reinforced isolated? Thanks.

Regards,
Patrick

  • 0
    TI__Expert 6955 points

    Patrick,

    Check out this FAQ  that addresses Basic and Reinforced isolation. Let me know if you have any further questions.

    Respectfully,

    Lucas Schulte

  • 0 in reply to Lucas Schulte9
    TI__Intellectual 1090 points
    Hi Lucas,
    I've checked the FAQ and I understand the key differetian will be passing 10KV surger test for reinforced isolation but it cannot answer my confusion on 'Does it mean all the reinforced sockets have better prformance(specs mentioned above) than basic isolation sockets?'
    I didn't go through the UL/IEC regulation so would you help me with the question? Thanks.

    Regards,
    Patrick
  • 0 in reply to Patrick Zeng
    TI__Guru 55825 points
    Hi Patrick,

    Lucas is out of office due to Christmas and New Year, I will try to answer your question.
    In most cases, the reinforced isolation devices are generally going to be much better in performances especially with respect to high voltage performance. If you are referring only to digital isolators, currently ISO77xx & ISO78xx are our latest devices that offer reinforced isolation and are much better in performance compared all other older family of devices.

    Let me know if you have any other related question, thanks.


    Regards,
    Koteshwar Rao