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Thread: BOM Teensy 4.0

  1. #1
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    BOM Teensy 4.0

    Hello,

    is there a BOM of the breakout board Teensy 4.0?

    Thank you

  2. #2
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    I just would like to know some characteristics of the board. For example, what's lowest temperature that it can handle?

    Thanks

  3. #3
    Senior Member+ Frank B's Avatar
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    Which breakout?
    Last edited by Frank B; 01-21-2020 at 05:54 PM.

  4. #4
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    Teensy 4.0, I just took a photo of it. Where can I see the version of breakout?


  5. #5
    Senior Member PaulStoffregen's Avatar
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    Quote Originally Posted by waulu13 View Post
    what's lowest temperature that it can handle?
    The IMXRT1062 chip is rated for commercial temperature range, so the lowest rated temperature is 0 celsius.

    In practice, it can probably run quite a bit colder, but that's not guaranteed or tested in any way.

  6. #6
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    Thank you, is there a version that works at negative temperatures? -20C? -40C?

  7. #7
    Senior Member+ Frank B's Avatar
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    If you overclock the board a little bit, it heats up quite a bit. So in a well insulated case it might work - as long as it doesn't get so cold when switched off.

  8. #8
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    Ok thank you

  9. #9
    Senior Member PaulStoffregen's Avatar
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    Quote Originally Posted by waulu13 View Post
    Thank you, is there a version that works at negative temperatures? -20C? -40C?
    PJRC currently makes only one IMXRT-based product (Teensy 4.0) with this commercial temperature chip.

    NXP does make a similar part with is rated for -40C. But we do not use it on Teensy because it is more expensive and rated for only 528 MHz maximum speed.

  10. #10
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    Thank you Paul.

    The Teensy 3.2 has the same pinout, would that work at -20C or -40C?

    I saw this thread,

    https://forum.pjrc.com/threads/33525-Temperature-rating

    Did something changed?

  11. #11
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    I can confirm we had -30 temps here in winter recently and teensy 4.0 is running constantly in the car, on remote starts it enables the heated seats via canbus (because its always off on every start)

    Teensy 3.5 was in my old car for 5yrs, freezing winters and boiling summers

    The T4 is sitting on a breakout board inside an old atmega2560 black case with the vent cap removed

    Click image for larger version. 

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    When the temps were really cold, there was crystal ice forming on the weathertech floor mats
    Last edited by tonton81; 02-04-2020 at 09:26 PM.

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