Activity › Forums › General Discussion › OVL led issues!! › Reply To: OVL led issues!!

  • mr-controllino

    Administrator
    March 17, 2021 at 8:48 am

    Hello Elvis,

    The first 12 digital outputs of the MEGA are half bridges. They have a nominal current of 2A … and are limited to 3A. If this 3A are reached … the driver chip sets an error. Can only be reseted by a global RESET of the device. Depending on the Version of MEGA you have … this can also be deactivated.

    But the much better thing would be to use some of the digital outputs 12-23. They are high side switches and are self-limiting. And they are not able to produce an OVL also with peak currents up to 3, 4, 5A. They are more thermally limited.

    So please try to use an output 12-23 and let me know if this solved your problems.

    Regards
    Marco

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