Third Quadrant Operation of SiC MOSFETs: Comprehensive Analysis and Condition Monitoring Solution

R Sajadi, E Ugur, M Farhadi… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
To achieve higher power density at a reduced cost, it is more advantageous to utilize the
inherent body diode found in silicon carbide MOSFETs (SiC MOSFETs) rather than relying …

Degradation Dependency Analysis and Modeling of 1700 V Planar-Gate SiC MOSFETs Under Gate Switching Instability

C Chen, Z Wang, X Ye, Y Hu, H Wang… - … on Power Electronics, 2024 - ieeexplore.ieee.org
Silicon carbide (SiC) metal-oxide-semiconductor field-effect transistors (mosfet s) are
becoming increasingly prevalent in various power electronic applications. However, their …

Investigation on Gate Oxide Degradation of SiC MOSFET in Switching Operation

Y Cai, P Sun, C Chen, Y Zhang, Z Zhao… - … on Power Electronics, 2024 - ieeexplore.ieee.org
Gate oxide degradation under dynamic gate stress has been demonstrated as a reliability
issue for SiC MOSFETs recently. Investigating the influence of dynamic drain-source voltage …

Dynamic Analytical Switching Loss Model of SiC MOSFET Considering Threshold Voltage Instability

Y Cai, P Sun, Y Zhang, C Chen, Z Zhao… - … on Power Electronics, 2024 - ieeexplore.ieee.org
Accurate modeling of switching loss is critical for SiC MOSFETs as well as power converters.
However, previous “static” time-independent models did not consider the impact of gate …

Comprehensive Investigations on Recovery Characteristics of Bias Temperature Instability in Planar and Trench SiC MOSFETs

K Li, P Sun, X Zhou, L Chen… - IEEE Journal of Emerging …, 2024 - ieeexplore.ieee.org
Gate-oxide degradation caused by bias temperature instability (BTI) is one of the most
critical reliability issues for silicon carbide (SiC) metal–oxide–semiconductor-field-effect …

Modeling and Analysis of Monitoring Gate-Oxide Degradation of SiC Power MOSFETs in Circuit by the Fingerprints of Voltage Switching Transient

YQ Chen, B Hou, YH Lin - IEEE Transactions on Power …, 2024 - ieeexplore.ieee.org
In this article, we have investigated the sensing principle and method of gate-oxide
degradation of SiC power mosfet s based on fingerprints of voltage switching transient. The …

Short-Circuit Characteristics of Asymmetry Trench (AT) MOSFET and Associative Failure Mechanisms over Wide Ambient Temperature

X Ding, L Peng, Y Zhao, K Yang, H Cui… - … Devices and ICs …, 2024 - ieeexplore.ieee.org
Silicon carbide (SiC) based power semiconductor devices outperform their silicon
counterparts in applications facing harsh environments where efficient and reliable …

Online Gate-Oxide Degradation Monitoring of SiC MOSFETs Based on Parasitic Capacitance Aging Characteristics

S Yu, Z Wang, D Zhou, Y Zhou, Y Li… - 2023 IEEE Energy …, 2023 - ieeexplore.ieee.org
Gate-oxide degradation is a critical reliability issue that limits the widespread application of
SiC MOSFETs. As an effective way to improve the reliability of SiC MOSFETs, the online …

An Online Correction Method for Inaccuracy of Junction Temperature Monitoring Caused by Degradation of SiC MOSFETs

Z Zhang, L Liang, H Fei, L Han… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
Online accurate junction temperature monitoring improves the reliability of power converters
throughout the lifetime of SiC MOSFETs. Without the correction, the methods based on the …

Threshold voltage instability of SiC MOSFETs under very‐high temperature and wide gate bias

C Chen, Y Cai, P Sun, Z Zhao - IET Power Electronics, 2024 - Wiley Online Library
Threshold voltage (VTH) instability affects the reliability of silicon carbide (SiC) MOSFETs. In
this article, the influence of gate bias (VGS) and high temperature on VTH instability is …