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Thread: Teensy 3.1 and 3.2 Input Voltage Ranges

  1. #1
    Senior Member brtaylor's Avatar
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    Teensy 3.1 and 3.2 Input Voltage Ranges

    Hi all,

    Love using the Teensy 3.1 and 3.2's around the lab here. One question I have is what are the input voltage ranges for the Teensy 3.1 and 3.2? I see from this thread that the Teeny 3.2 can handle up to 6V and likely more: https://forum.pjrc.com/threads/29774-Teensy-3-2. But what are the lower voltage dropouts for both the 3.1 and 3.2 and the maximum voltage for the Teensy 3.1? I have a couple of ongoing projects where the Teensy chips will be embedded into larger circuits and we're working on the voltage regulation for them. Cheers!

    Brian

  2. #2
    Senior Member PaulStoffregen's Avatar
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    Quote Originally Posted by brtaylor View Post
    But what are the lower voltage dropouts for both the 3.1 and 3.2
    You need at least 3.6V for the 3.3V regulators to maintain regulation.

    and the maximum voltage for the Teensy 3.1?
    5.5V. Do not exceed this limit. Teensy 3.1 is very sensitive to over-voltage.

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