2020 18th IEEE International New Circuits and Systems Conference (NEWCAS) 2020
DOI: 10.1109/newcas49341.2020.9159781
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A High Voltage Multi-Purpose On-the-fly Reconfigurable Half-Bridge Gate Driver for GaN HEMTs in 0.18-μm HV SOI CMOS Technology

Abstract: En raison de vitesses de commutation plus élevées, de faible résistance à l'état passant et de taille miniaturisée en comparaison avec des contreparties en silicium, l'utilisation de transistors de puissance à base de nitrure de gallium (GaN) est de plus en plus courante dans les circuits de puissances modernes. Avec des figures de mérite supérieures, les convertisseurs de puissance utilisant des dispositifs GaN peuvent fonctionner à des fréquences de commutation élevées. Cela se traduit par des dimensions plu… Show more

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Cited by 10 publications
(8 citation statements)
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References 36 publications
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“…The proposed UVLO/TSD circuits based on BGRCOMP are targeted for the use in the design of gate drivers, such as in [17][18]. The trip-point specifications of the UVLO and TSD circuits are set at 4.4 V/4.2 V (hysteresis window ΔVTH = 200 mV) and 90°C/70°C (hysteresis window ΔT = 20°C), respectively.…”
Section: Uvlo and Tsd Design Specificationsmentioning
confidence: 99%
“…The proposed UVLO/TSD circuits based on BGRCOMP are targeted for the use in the design of gate drivers, such as in [17][18]. The trip-point specifications of the UVLO and TSD circuits are set at 4.4 V/4.2 V (hysteresis window ΔVTH = 200 mV) and 90°C/70°C (hysteresis window ΔT = 20°C), respectively.…”
Section: Uvlo and Tsd Design Specificationsmentioning
confidence: 99%
“…A configurable gate driver (CGD) designed in XFAB's XT018 process [18] drives power GaN devices. It is at the core of the configurable power block array.…”
Section: Cpios: a Novel Closed-loop Power Sipmentioning
confidence: 99%
“…Class-D amplifiers (CDAs) are very attractive in low power applications such as audio applications due to their small size and high efficiency compared to traditional analog linear amplifiers. Recent advances in GaN power devices enable CDAs to operate at higher switching frequency thereby reducing the filter size [1]- [3]. However, in applications where low output currents are drawn from high power supply voltages, the switching losses of power devices dominate over conduction losses.…”
Section: Introductionmentioning
confidence: 99%
“…However, parasitic inductances and capacitances in the stray path and device package increase the overshoot voltage at the gate of power devices in a short rising time, which poses a risk for device breakdown and electromagnetic interference (EMI) generation [6]. Therefore, the SHEPWM CDA used a reconfigurable gate driver integrated circuit (IC) from [3] to adjust the gate driver's driving strength to control the rising/falling time of both gate and switching node voltages. While the effect of dead-time on the harmonic distortion of pulse width modulation (PWM) is extensively studied before [7]- [9], the relationship between different driving strength and total harmonic distortion (THD) of SHEPWM CDA has not been reported in the literature.…”
Section: Introductionmentioning
confidence: 99%