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  • EEVblog #444 – Car Lane Guidance Camera Teardown

    Posted on March 26th, 2013 EEVblog 15 comments


    What’s inside a modern Hyundai car lane guidance camera module?
    Teardown Tuesday
    Chips: Eye-Q2
    MPC5604
    MPC5604 Summary

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    • Mark

      Don’t worry your ESD mad is not as dirty as Mikes workbench top!

    • Kirk

      It might not be as flash as the vendors make out given that the poster who sent it in for the mailbag advises it was salvaged from a car that got a little bit too friendly with a road barrier.

      Still, I guess we can’t expect technology to save us from everything :P

    • Niklas

      The SO8 marked 625033 is a TLE6250GV33, a CAN tranceiver from Infineon. The 1206 resistors are probably a part of the bus termination.

    • Homer

      Are these mounted inside the car behind the windshield?

      Seems like if was on the front of the car the lens would covered with dirt pretty quickly.

      Never looked into them.

      On my car “lane guidance” is me looking out the windshield and moving the steering wheel.

    • ElCattivo

      Yes, vision systems like this one are almost always mounted near the rear-view mirror.
      The overview is just better and the windshield is cleaned by the wiper.

    • ElCattivo

      The 1206 resistors together with the ceramic cap to GND is a common way to terminate (high speed) CAN busses. Since CAN usually uses differential signalling the common mode choke is also a dead giveaway.
      The resistors are probably this big to survive battery voltage applied to the bus.

    • David

      Man, tried to download this video. 15kbps max download speed; it would take hours – gave up. Other sites download at around 7-8Mbps. Time now 10:42 GMT on 17 March 2013.

      • RogerBW

        Try the torrent feed at bitlove.org/eevblog/torrents/ instead? (It’s kinder to Dave’s bandwidth…)

    • tchicago

      A picture on this page looks somewhat familiar: http://en.wikipedia.org/wiki/Lane_departure_warning_system

      :)

    • f4eru

      The electrolytic caps are no problem in customer automotive.

      As long as they are not on permanent 12V, 10 000 hours is more than the lifetime of the car.

      it’s in a hot zone, it’s installed behind the wind shield top,and the roof, everything is rated at least 105°C

    • ant452

      Hi Dave, You mentione ‘everyone’s going ARM’ any chances of an episode on ARM or an intro to using 32bit uC? broad topic I known but with cost if chips reducing its becomming viable for hobbiests. Maybe getting started with ARM, ie pros/cons, considerations vs. 8bit uC and the required IDE?

    • exco

      Doesn’t go in the bumper … it is mounted on the upper middle of the windshield (inside).

    • robotboy

      Dave, I’d love to know if there is any info on the actual camera used. Who actually manufactures the camera? In order to detect lanes these cameras have to work in a wide range of lighting conditions which can also change rapidly.

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