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Thread: What is the Basic+ ERRN status during IN_SET de-activation phase (by uC)?

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    Infineon Employee
    Infineon Employee
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    Jun 2014

    What is the Basic+ ERRN status during IN_SET de-activation phase (by uC)?

    ERRN status remains low when the fault is present on the output even during the IN_SET de-activation time (IN_SET open via uC).
    This happens because ERRN status depends only on the OUTx and EN/DEN voltages. It doesn't depend on any change of resistive load at IN_SET.
    When a fault (OL/SC) occurs the IN_SET regulation turns off: VIN_SET goes to GND after tfault and D charge phase.
    Open load:
    Click image for larger version

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    Short circuit:
    Click image for larger version

Name:	LITIX_Basic+_SC.png
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    For more information on the LITIX™ Basic+ diagnostics check the product datasheet and the application note "Litix™ Basic+ LED driver family: Diagnosis and fault management"
    Last edited by vasiliki; Sep 14th, 2021 at 03:13 AM.

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