Monitoring Power Module Solder Degradation From Heat Dissipation in Two Opposite Directions
IEEE Transactions on Power Electronics(2022)
摘要
Solder degradation is still a main failure mechanism for power semiconductor modules. This study proposes a monitoring method to detect the relative change in heat dissipation from a module in two opposing directions, affected by the degradation—upward via the silicone gel and downward via the solder layer to the heatsink. The method is based on external module package measurements, and a conditio...
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关键词
Degradation,Heating systems,Heat transfer,Temperature sensors,Temperature measurement,Resistance heating,Thermal resistance
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