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    M0181 Pin Out and Electrical Diagram

    Support Request Format for Best Results
    flir
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    • J
      joseph.vale
      last edited by

      Hello, we're designing our own interposer board / configuration for the FLIR Hadron 640R+ that will go all the way through the coax cable. We're looking to interface our coax with your M0181 board that will interface with your VOXL2 board.

      I am looking for the pinout of that board specifically along with any technical information about aspects of the boards such as impedance matching connection type, etc to interface our interposer board with your M0181 board. If you would be willing to send information about the coax cable you use, a part number, pinout etc that would be awesome as well.

      Thank you for your time,
      Joseph Porter | vale.vision

      VinnyV 1 Reply Last reply Reply Quote 0
      • VinnyV
        Vinny ModalAI Team @joseph.vale
        last edited by

        Hi @joseph-vale
        Honestly, if you are making your own backpack for Hadron, then you might as well make your own adapter that mates to VOXL 2.
        We have several features in our coax designs that allow us to have flexibility that may not be in your best interest of your backpack. I would hate to over-constrain your optimal designs. From my viewpoint, you are designing your own since ours has some limitation or constraint you do not like. If we provide the full M0181 info then you are effectively making your backpack just like ours anyway.

        Hope my advice helps you make a solid decision.
        Thanks!

        J 1 Reply Last reply Reply Quote 0
        • J
          joseph.vale @Vinny
          last edited by

          Hi @Vinny ,

          Thanks for the swift reply! When it comes to that then - would you be able to provide me the electrical schematic for the b2b interface and the impedance matching? I know there are a lot of passives there to interact with for the signal. Part of this is we were originally going to be using the Mistral Eagle kit but they have some design flaws that short out the whole board. So we've already got most of the design completed, just in the last phase here for the final connection aspect. Similar backpack isn't a problem for us as well - we've just got a specific payload design that requires it in a certain size / shape.

          Thank you,
          Joseph

          VinnyV 2 Replies Last reply Reply Quote 0
          • VinnyV
            Vinny ModalAI Team @joseph.vale
            last edited by

            Hi @joseph-vale
            Which B2B are you referring to?
            If it's FLIR's B2B, that is their data and we cannot share. That is part of the reason why we are not disclosing as much about M0181/M0202 as we do for other image sensors and our coax products.

            Our VOXL 2 B2B's are fully documented: https://docs.modalai.com/voxl2-connectors/

            Are you asking for something else?
            Thanks!

            1 Reply Last reply Reply Quote 0
            • VinnyV
              Vinny ModalAI Team @joseph.vale
              last edited by

              @joseph-vale I think a lot of FLIR's docs are public domain, but we did not receive them that way, hence our reluctance. If you can be more specific as to what you need, I'll try my best.

              J 1 Reply Last reply Reply Quote 0
              • J
                joseph.vale @Vinny
                last edited by

                Hi @Vinny

                My apologies on the miscomms - I meant the connection the VOXL2 mating element. I've seen that pinout and thanks for resharing - but I wanted to also double check on the impedance matching and whatnot. Our IPEX cable has an impedance of 100ohms - is this consistent with your design? Do you do cross wiring / ESD protection? I'm not seeing these in the docs. Effectively are there any other design aspects we should be aware of making that board connection? We have all of the Hadron stuff we need for their pinouts and whatnot.

                VinnyV 1 Reply Last reply Reply Quote 0
                • VinnyV
                  Vinny ModalAI Team @joseph.vale
                  last edited by

                  Hi @joseph-vale
                  Great, thanks for clarifying.
                  Apologies our website is not always perfect. It is maintained by us Engineers, so we often take some info for granted. I am a few years delinquent in adding image sensor design guidance to our tech docs 🙂
                  All our MIPI_CSI lines are indeed 100-Ohm Differential, so the IPEX mate will match.
                  We include ESD protection on all MIPI CSI and I2C and GPIO/MCLK signals at the VOXL 2 J6, J7, and J8 connectors, so no need to double protect (or you can impact the bus signal quality with the added capacitance).

                  When you get to the point of generating a schematic, I will offer a courtesy review. Ping me on this thread again and then I can email you privately to share if you wish.

                  One thing we did on our Coax design was plan on always using the same 26-pin cable, so it is our adapters that vary in pinouts, but our cable is always the fully populate 26 conductor DF56 series.
                  For Boson/Hadron, we use multiple conductors of 5V. We set that based on the DCR spec of our coax cable, so with your IPIEX cables, you can do something similar to achieve success.
                  We were also advised by Hirose to NOT use the outer shield as current carrying, so for every +DC path, we have a return GND conductor.

                  Keep us posted!

                  J 1 Reply Last reply Reply Quote 0
                  • J
                    joseph.vale @Vinny
                    last edited by

                    @Vinny hey man y'all have incredible support and responsiveness and honestly I'll take your docs over most anything I've dealt with on other projects. I'm an electrical / optical engineer myself so I feel that haha. I appreciate it and will follow up when ready!

                    VinnyV 1 Reply Last reply Reply Quote 0
                    • VinnyV
                      Vinny ModalAI Team @joseph.vale
                      last edited by

                      Thanks @joseph-vale for the kind words.
                      We will continue to try our best 🙂
                      Our success only comes with your success.

                      1 Reply Last reply Reply Quote 0
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