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TCA9617B: TCA9617A v.s. TCA9617B

user446310155
Intellectual 460 points
Part Number: TCA9617B
Other Parts Discussed in Thread: TCA9617A

Hi there supporter,

1. Can you let me know specifically the difference between TCA9617A and TCA9617B?

2. Why not directly get TCA9617B as a replacement for TCA9617A?

Regards,

S.P. Lin

  • 0
    Intellectual 460 points
    Hi Supporter,

    Do you have any update fort this?

    Regards,
    S.P. Lin
  • 0 in reply to user446310155
    TI__Mastermind 23176 points

    Hello S.P. Lin,

    1.  The main difference between the TCA9617A and B is that they B version has power off high-impedance I2C bus feature.

    2.  I would recommend they get the TCA9617B, no real reason to get the A for new designs.  

    S.P.  I am not sure how new to E2E you are, but I wanted to take a second to show you how to use E2E.  E2E is a forum for asking questions and it is also a database for searching old posts that have been answered by either other forum members or by TI engineers.  In order to minimize answering questions that have already been answered, we recommend that people coming to the forum for help do a quick E2E search to answer their questions.  It is the fastest and easiest way to get your questions answered.  For example, I typed in "tca9617a vs tca9617b" into the search bar.  See below image to show what came up.   

    As you can see there were several posts that would have had your answers.  If you do a search for more than 5-10 minutes and you don't find the answer, then it time to post the question.  It usually means it hasn't been asked before, and it would be a great addition to our database of searchable questions and answers.  I hope that this was useful.

    -Francis Houde