Switching power semiconductor online junction temperature Tjsensing is essential for device switching performance evaluation, device switching control, and device lifetime optimization. The contribution of this paper is a detailed evaluation of the implementation issues (including circuit invasiveness, hardware integration, signal processing, and so forth) of different online Ti sensing methods. This paper includes Tjsensing methods based on device power dissipation, Tjsensing methods based on the “sensoron-die technology,” Tjsensing methods based on device on-state analysis, and Tjsensing methods based on device switching transients. Advantages and limits of these methods are also provided.
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He Niu (2016) studied this question.
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