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   Articles with "junction temperature" as a keyword



Online monitoring of IGBT junction temperature based on Vce measurement

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recommendations! Published in 2020 at "Journal of Power Electronics"

DOI: 10.1007/s43236-020-00178-5

Abstract: In this paper, an online junction temperature monitoring method based on the on-state voltage under high collector current density measurements for IGBT power modules is proposed. Unlike the conventional junction temperature monitoring method, the presented… read more here.

Keywords: online monitoring; monitoring igbt; junction; igbt junction ... See more keywords
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Junction temperature control for the automotive LED lamp based on the current feed forward strategy

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recommendations! Published in 2021 at "Optik"

DOI: 10.1016/j.ijleo.2021.166535

Abstract: Abstract Advantages of LEDs include high brightness, reliability, low power consumption and a long life. These advantages have made LEDs feasible in a wide range of automotive lamps applications. However, LEDs are semiconductor p-n junction… read more here.

Keywords: current feed; control; temperature; junction temperature ... See more keywords

Precise measurement of junction temperature by thermal analysis of light-emitting diode operated at high environmental temperature

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recommendations! Published in 2021 at "Microelectronic Engineering"

DOI: 10.1016/j.mee.2020.111451

Abstract: Abstract Light-emitting diodes (LEDs) have become a promising solid-state light source in numerous applications. During operation, they are often exposed to high environmental temperatures, resulting in performance and reliability degradation. It is thus important to… read more here.

Keywords: operated high; temperature; junction temperature; analysis ... See more keywords
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Prediction of IGBT junction temperature using improved cuckoo search-based extreme learning machine

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recommendations! Published in 2021 at "Microelectronics Reliability"

DOI: 10.1016/j.microrel.2021.114267

Abstract: Abstract The insulated-gate bipolar transistor (IGBT) is one of the most widely used power transistors in switching and industrial control systems. Its actual junction temperature plays a critical factor in determining the dynamic performance, reliability… read more here.

Keywords: junction temperature; learning machine; extreme learning; junction ... See more keywords

Junction temperature rise due to self-heating effects in GaInN blue light-emitting diodes

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recommendations! Published in 2017 at "Thin Solid Films"

DOI: 10.1016/j.tsf.2017.01.033

Abstract: Abstract Originating from a non-radiative recombination in the active region of a light-emitting diode (LED), the self-heating effect was investigated under continuous wave ( cw ) operation with a GaInN blue LED. Current–voltage (I–V) characteristics… read more here.

Keywords: temperature; light emitting; gainn blue; junction temperature ... See more keywords
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An analytical calculation method of SiC MOSFET junction temperature based on thermal network theory and Laplace transform

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recommendations! Published in 2024 at "IET Power Electronics"

DOI: 10.1049/pel2.12708

Abstract: In order for full utilization of the switching devices and safe continued operation of the power converter at the same time, the junction temperature of the switching devices needs to be accurately monitored without shutting… read more here.

Keywords: junction temperature; network theory; junction; calculation method ... See more keywords
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Diode junction temperature in ultraviolet AlGaN quantum-disks-in-nanowires

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recommendations! Published in 2018 at "Journal of Applied Physics"

DOI: 10.1063/1.5026650

Abstract: We acknowledge the financial support from the King Abdulaziz City for Science and Technology (KACST), Grant No. KACST TIC R2-FP-008. This work was partially supported by the King Abdullah University of Science and Technology (KAUST)… read more here.

Keywords: quantum disks; temperature ultraviolet; algan quantum; diode junction ... See more keywords
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Counter-intuitive junction temperature behavior in AlGaN-based deep-ultraviolet light-emitting diodes

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recommendations! Published in 2020 at "AIP Advances"

DOI: 10.1063/5.0005473

Abstract: The junction temperature, one of the major parameters that strongly affect the performance of light-emitting diodes (LEDs), increases during operation because of the power dissipated as heat within an LED device. Therefore, LED devices with… read more here.

Keywords: junction temperature; deep ultraviolet; emitting diodes; light emitting ... See more keywords

Effect of junction temperature on 1.3 µm InAs/GaAs quantum dot lasers directly grown on silicon

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recommendations! Published in 2024 at "AIP Advances"

DOI: 10.1063/5.0168625

Abstract: Laser junction temperature (Tj) is an essential parameter that directly affects the light power and lifetime of semiconductor lasers. Here, we investigate the effect of Tj on an InAs/GaAs quantum dot (QD) laser grown on… read more here.

Keywords: temperature; junction temperature; quantum dot; inas gaas ... See more keywords

Relationships between junction temperature, electroluminescence spectrum and ageing of light-emitting diodes

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recommendations! Published in 2018 at "Metrologia"

DOI: 10.1088/1681-7575/aaaed2

Abstract: We have developed spectral models describing the electroluminescence spectra of AlGaInP and InGaN light-emitting diodes (LEDs) consisting of the Maxwell–Boltzmann distribution and the effective joint density of states. One spectrum at a known temperature for… read more here.

Keywords: temperature; junction temperature; emitting diodes; electroluminescence ... See more keywords

A Decoupled Junction Temperature and Aging Level Evaluating Method for SiC MOSFETs

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recommendations! Published in 2024 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"

DOI: 10.1109/jestpe.2024.3387697

Abstract: The junction temperature and aging levels are critical factors contributing to power device failures. Existing methods commonly employ electrical parameters as indicators for their evaluation. However, these indicators are influenced by both the junction temperature… read more here.

Keywords: junction temperature; temperature aging; aging level;