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ONET8551T: ONET8551

henry xin
Intellectual 260 points
Part Number: ONET8551T

Dear TI engineer，

We currently use TI ONET8551T produce optical communication module. Faulting rate is nearly  0.3% after burn-in.
The TO burn - in conditions is as follows: 100℃，3.3 V voltage applied，24hr
We would like to inquire about the following questions：
1. Reliability report (failure rate and working life)
2. Whether this TIA need burn - in ？if yes， What burn-in conditions TI recommend？
3. The early failure rate

Thanks very much!

  • 0
    TI__Genius 13935 points

    Hello Henry,

    I don't have answers to your questions that are easily available.  To the best of my knowledge TI does not require burn in for the ONET8551T.  We design for long term reliability and we test a large sample of parts for lifetime reliability before the product is released to market.

    Every device sold is tested after manufacture, but I don't know how this applies to "early failure rate".

    I will see what I can find for you.

    Regards,

    Loren

  • 0
    TI__Genius 13935 points
    Hello Henry,

    I do have an additional question. During your 100℃ burn in, do you have a way to measure the actual temperature of the ONET8551T die? In the datasheet, we recommend making sure that the die temperature never exceeds 105℃. It is possible that the die temperature is approaching that limit when the ambient temperature is 100℃.

    Regards,
    Loren
  • 0 in reply to Loren Siebert 1
    Prodigy 40 points

    Hi Loren,

     

    My name is Wang Chen from SiFotonics, I am the end user customer about Henry's questions.

    Can you explain why ONET8551 operating termperature max limit is 100C? I found other TIA operating temperature is 125C junction temperature.

    Did TI performed any experiment to prove this parts can only work up to 100C environment temperature (or 105C junction temperature)? 

    Did TI perform high temperature operating life (HTOL) test on this ONET8551 parts before release?

    If yes, can you send us the test report? including HTOL test condition, sample size etc. 

    Look forward to your feedback. 

     

    Wang Chen

  • 0 in reply to Wang Chen
    TI__Genius 13935 points

    Hello Wang,

    I am still looking into this.  The ONET8551 was built in a process that is different than the products I normally support.  

    Regards,

    Loren

  • 0 in reply to Loren Siebert 1
    Prodigy 40 points

    Hi Loren,

    When can you answer my questions? It has passed more than half months.