2. Thermal environment of power components
Whether it's a discrete component, a module or a power IC, the heart of the power semiconductor component is the silicon chip, which has been designed to perform a well-defined switching function. However, a component cannot be operational without the chip(s) being suitably mounted on a substrate, which in turn is encapsulated in a housing. This package is then mounted in a system which determines the thermal environmental conditions of the component. In the following, we'll refer to this thermal environment as a "radiator". It's the thermal behavior of the chip-housing-radiator assembly that needs to be studied when looking at power components.
2.1 Substrates, housings and radiators
Since the mid-1980s, with the development of hybrid integration techniques,...
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Thermal environment of power components
Evaluation of junction temperature
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