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ISO5852S: RDY t_mute specification

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Replies: 6

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Part Number: ISO5852S

Dear Team,

I have a question about the specification of t_mute of RDY pin of ISO5852S. In the ISO5852S datasheet, page 20, Figure 46 shows the DESAT, OUTH/L, /FLT, /RST Delay. In this figure, RDY signal goes low when /FLT goes low after DESAT reaches V_DSTH, and RDY signal goes high after t_mute time. But there is not t_mute specification at the switching characteristics. From Figure 16 and 18, t_mute of RDY could be 4us, but I would like to know the design spec of t_mute of RDY.

The reason why I want to know that is to check the operation of Auto-Reset Circuit which is in the TIDA-00917, page 11, Figure 10. Auto-Reset Circuit.
If RDY resumes high after t_mute time automatically, I understand this Auto-Reset Circuit operation.
Thank you.

Best Regards,

Koshi Ninomiya

  • Hi Koshi,

    Thanks for your question! Also thanks for the much appreciated included question info. Let me look into your question and will update you asap!

    Thanks,

    Jeff

  • Hi Koshi,

     I have made my own thoughts in the pic below on how to predict t_MUTE without this spec while relying on the DS. I will update you asap with any spec related info for t_MUTE. (and if RDY resumes after t_MUTE automatically)

    Thanks

    Jeff

    Jeff

  • In reply to Jeffrey Mueller:

    Jeff

  • In reply to Jeffrey Mueller:

    Hi Koshi,

    After asking my team it has been confirmed that t_mute is an internal spec at 5us and RDY resumes after this time!

    Please let me know if you have any more questions!
    thanks,

    Jeff

  • In reply to Jeffrey Mueller:

    Hi Jeff-san,

    Thank you for your confirmation. I understood the t_mute internal spec and understood that the operation of Auto-Reset Circuit which was in the TIDA-00917, page 11, Figure 10. Auto-Reset Circuit worked.

    Best Regards,

    Koshi Ninomiya

  • In reply to Koshi Ninomiya:

    Hi Koshi-san,

    That was mainly for my understand :)
    Thanks for the TIDA reading! and let me know if any more questions pop up!!!

    Thanks,

    Jeff

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