Can BUS multiplexing

Ideas and discussion of what to do with the CAN Bus ( i.e. XMDirect, iPod, Carputer, etc... )
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adnanhuxain
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Joined: 2019 Oct 04 03:32

Can BUS multiplexing

Post by adnanhuxain » 2019 Oct 04 03:36

I am trying to use an analog switch IC to multiplex J1939 9 pin connector pins F and G since some manufacturers use these pins for J1708 and some use it for CAN. I want to use an analog switch to route the signal depending on protocols being used on those pins. Is it possible to use an analog switch directly next to the obd connector? Is it safe? The analog IC part number is NLAS4684 and the specs look pretty good to me. please check the attached picture to get a clearer idea.

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