Enhanced dynamic regulation in Buck Converters: integrating input-voltage feedforward with voltage-mode feedback

M Amer, A Abuelnasr, M Ali, A Hassan, A Trigui… - IEEE …, 2024 - ieeexplore.ieee.org
DC-DC buck converters in automotive and aerospace applications are often required to
handle large disturbances in their input supply and abrupt variations in their loads. This …

A 9.2-ns to 1-s digitally controlled multituned deadtime optimization for efficient GaN HEMT power converters

M Karimi, M Ali, A Aghajani, A Hassan… - … on Circuits and …, 2022 - ieeexplore.ieee.org
This paper presents a tunable new deadtime control circuit providing an optimal delay for
power converter optimization. Our method can reduce the deadtime loss while improving the …

A Half-bridge Gate Driver with Self-adjusting and Tunable Dead-time Modes for Efficient Switched-mode Power Systems

M Amer, A Abuelnasr, A Hassan… - … on Power Electronics, 2023 - ieeexplore.ieee.org
The design of high-voltage (HV) switched-mode power systems (SMPSys) poses multiple
challenges, such as minimizing the switching losses and preventing possible shoot-through …

Delay mismatch insensitive dead time generator for high-voltage switched-mode power amplifiers

A Abuelnasr, M Amer, M Ali, A Hassan… - … on Circuits and …, 2023 - ieeexplore.ieee.org
The Design of efficient, safe, and reliable circuits is a prime objective in high-voltage (HV)
electronic systems, such as switched-mode power amplifiers (PAs). One of the main causes …

A Systematic Approach for PLL-based Zeta Power Converter Control

N El-Zarif, CJB Fayomi, M Ali, M Amer, A Hassan… - IEEE …, 2024 - ieeexplore.ieee.org
This paper presents a systematic approach for Zeta power converter control, a versatile
solution designed for systems where the power supply is prone to fluctuations. The …

A wide-range reconfigurable deadtime and delay element for optimal-power conversion

M Karimi, M Ali, A Hassan, M Sawan… - 2021 19th IEEE …, 2021 - ieeexplore.ieee.org
A reconfigurable dead-time circuit intended for optimum power-converters' operation is
presented. The circuit provides a programmable delay element to produce a wide range of …

Design and analysis of combined input-voltage feedforward and PI controllers for the buck converter

M Amer, A Abuelnasr, A Ragab… - … on Circuits and …, 2021 - ieeexplore.ieee.org
This paper presents the design and analysis of combining input-voltage feedforward and
proportional-integral (PI) controllers to regulate the output voltage of DC-DC Buck converter …

Design Challenges and Considerations for Gate Drivers of SiC MOSFETS and their Testing

N Hegde, B Shubha… - PCIM Europe 2024; …, 2024 - ieeexplore.ieee.org
The testing of SiC gate drivers involves various parameters, including turn-on and turn-off
delay times, switching losses, and short circuit protection. These tests help to ensure that the …

An optimal feedforward circuit with null audio susceptibility in feedback‐controlled buck converter

I Daimary, R Jana, BL Narasimharaju - International Journal of Circuit … - Wiley Online Library
The ability to manage abrupt disturbances in input supply voltage and sudden fluctuations in
load represents a fundamental requirement for DC‐DC buck converters. While feedback …

[HTML][HTML] Reconfigurable Gate Driver Toward High-Power Efficiency and High-Power Density Converters

M Karimi - 2022 - corpus.ulaval.ca
Résumé Les systèmes de gestion de l'énergie exigent des convertisseurs de puissance
pour fournir une conversion de puissance adaptée à diverses utilisations. Il existe différents …