• State Resolved
  • Locked Locked
  • Replies 6 replies
  • Answers 1 answer
  • Subscribers 13 subscribers
  • Views 375 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

ISO1212: 100V200Vの時の抵抗値・しきい値

?? ??
Prodigy 20 points
Part Number: ISO1212

"Table 2. Suggested Values for AC Applications" listed in the data sheet (red frame in the sent photo) The threshold values are listed based on 240V and 110V. What are the resistance values and threshold values when inputting 100V and 200V? please tell me. Please.

/resized-image/__size/320x240/__key/communityserver-discussions-components-files/1013/ISO1212-AC_57304D3044302450_.png

  • 0
    TI__Mastermind 26315 points

    Hello,

    The thresholds are set by the resistors as shown in the datasheet. You can either use the values given in the table for 100V and 200V or you can recalculate for your specific application using the excel calculator (linked here: http://www.ti.com/lit/zip/SLLC457),

    Best,
    Andrew

  • 0 in reply to Andrew J
    Prodigy 20 points

    ご回答ありがとうございます。

    入力電圧はしきい値に関係ないのでしょうか。

    データシートを読むと、関係あるのかなと考えられます。

    しかし、エクセルのしきい値計算には抵抗値しか関係ないように読み取れます。

    100V200V入力時の推奨抵抗値を教えて頂きたいです。

  • 0 in reply to ?? ??
    TI__Mastermind 26315 points

    Hello,

    This is an English only forum, please translate and repost your questions in English so that future users may use this content to help them debug. 

    Best,
    Andrew

  • 0 in reply to Andrew J
    Prodigy 20 points

    お返事ありがとうございます。 入力電圧はスレッショルドとは無関係の知覚ですか? データシートを読んだ後、私はそれが関連しているかもしれないと思います。 ただし、Excelのしきい値の計算には抵抗値のみが関与しているようです。 100V入力と200V入力の推奨抵抗値を知りたいのですが。 ありがとうございます。

  • +1 in reply to ?? ??
    TI__Mastermind 26315 points

    Hello,

    Thank you for your post. Again, this is an English only forum. Please reiterate the question in English so future users can refer to the post to solve future issues. 

    To reiterate the previous discussion:

    • The input threshold values are independent of the input voltage
    • Input thresholds are set by the resistors Rsense and Rthr as shown in 9.2.1.2.1 Setting Current Limit and Voltage Thresholds. 
      • The calculator linked above can be used to calculate custom values via excel.
      • Or, table 2. from the app note screenshot can be used for voltages near the standard AC inputs shown in the table.

    Best,
    Andrew

  • 0 in reply to Andrew J
    Prodigy 20 points

    very sorry.

    I tried converting it to English, but it didn't work.

    thank you. I was able to understand it.