Technology-dependent parametric manufacturing Life Cycle Inventory for power module
Résumé
The life cycle of a power module, a device that primarily functions as a high-frequency switch for electrical quantities (I and V), has a considerable environmental impact. This is due to the extraction of materials, manufacturing processes with their inputs and outputs (emissions, waste), use phase, and end-of-life, which is still poorly managed. Conducting a Life Cycle Assessment (LCA) is an excellent starting point. However, the results of LCAs do not always facilitate effective mitigation due to the challenges associated with interpreting the results, choosing which environmental indicator to prioritize, and also because the product is already ready-made. To address this, our goal is to integrate LCA earlier in the power converter conception phase by providing electronic engineers with a tool that helps them understand environmental impacts, assess their designs, compare different options, and optimize their choices. This paper is to support the creation of a comprehensive Parametric Life Cycle Inventory (PLCI) for the manufacturing phase of power modules. The model is independent of semiconductor technology and considers both materials and processes. The method is presented here, and the inventory model is made fully available to support the LCA of power modules within power converters.
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