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Original question:

LMG2100R026: .xml file for LMG2100R026 is not working/supporting at PLECS half-bridge block

LMG2100R026: LMG3650R025

Fabio Poretti
Prodigy 20 points
Part Number: LMG2100R026
Other Parts Discussed in Thread: LMG3650R025

Tool/software:

Hi, I am working on the 600W GaN-based single-phase cycloconverter using the PLECS simulation. Where we are using the LMG2100R026 and the LMG3650R025 units. Meanwhile, .xml file is available but when i use this file in PLECS, the following message appears : the source component was not found, and this for both component. Everything's installed correctly so I don't know where is the problem. Do you have any idea?

  • +1
    TI__Expert 8578 points

    Hi Fabio,

    The message "the source component was not found" in PLECS when using an XML file typically indicates that the software cannot locate the necessary library components or definitions referenced within that XML file. Even if PLECS is installed correctly, specific components or libraries might be missing or not properly linked.
    Here are potential causes and solutions:
    • Missing or Incorrect Library Paths:
      • Verify Library Location: Ensure the XML file and any associated library files (e.g., custom component libraries, thermal libraries) are in a location where PLECS can find them. This might involve placing them in the same directory as your PLECS project or adding their directory to the PLECS library search paths.
      • Check PLECS Preferences: In PLECS, navigate to the preferences or settings related to libraries and ensure the paths to any custom or external libraries are correctly specified.
    • Incompatible PLECS Versions:
      • Version Mismatch: If the XML file was created in a newer version of PLECS, it might contain features or component definitions not recognized by an older version. Ensure you are using a compatible or the latest version of PLECS.
    • Corrupted or Incomplete XML File:
      • File Integrity: The XML file itself might be corrupted or incomplete, leading to unresolvable references. Try obtaining a fresh copy of the XML file if possible.
    • Specific Component Libraries Not Installed:
      • Thermal Libraries: If the XML file relates to thermal models, ensure the necessary thermal libraries (e.g., provided by semiconductor manufacturers) are properly installed and accessible to PLECS.
    • Unresolved Library References:
      • Manual Resolution: In some cases, if a library reference is highlighted in PLECS, it might be possible to manually delete the problematic component and re-add it from a known, accessible library.
    Troubleshooting Steps:
    • Check PLECS Preferences: 
      Go to File > Preferences (or equivalent) and review the settings related to library paths and component locations.
    • Ensure Library Files are Present: 
      Confirm that all necessary .plecs or .xml library files referenced by your main XML file are in a discoverable location.
    • Try a Simpler XML File: 
      If possible, test with a very basic XML file to determine if the issue is with the specific file or a broader configuration problem.
    • Consult PLECS Documentation or Support: 
      Refer to the official PLECS documentation on custom libraries and component management or contact Plexim support for specific guidance.
      Best,
      Pratik A.