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Armin Jafari
Armin Jafari
Power Electronics, Ph.D.
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Comparison of wide-band-gap technologies for soft-switching losses at high frequencies
A Jafari, MS Nikoo, N Perera, HK Yildirim, F Karakaya, R Soleimanzadeh, ...
IEEE Transactions on Power Electronics 35 (12), 12595-12600, 2020
742020
Nanoplasma-enabled picosecond switches for ultrafast electronics
M Samizadeh Nikoo, A Jafari, N Perera, M Zhu, G Santoruvo, E Matioli
Nature 579 (7800), 534-539, 2020
722020
Enhanced DAB for efficiency preservation using adjustable-tap high-frequency transformer
A Jafari, MS Nikoo, F Karakaya, E Matioli
IEEE Transactions on Power Electronics 35 (7), 6673-6677, 2019
642019
Measurement of Large-Signal COSS and COSS Losses of Transistors Based on Nonlinear Resonance
MS Nikoo, A Jafari, N Perera, E Matioli
IEEE Transactions on Power Electronics 35 (3), 2242-2246, 2019
422019
New insights on output capacitance losses in wide-band-gap transistors
MS Nikoo, A Jafari, N Perera, E Matioli
IEEE Transactions on Power Electronics 35 (7), 6663-6667, 2019
402019
Analysis of large-signal output capacitance of transistors using Sawyer–Tower circuit
N Perera, G Kampitsis, R Van Erp, J Ançay, A Jafari, MS Nikoo, E Matioli
IEEE Journal of Emerging and Selected Topics in Power Electronics 9 (3 …, 2020
242020
97.4%-efficient all-GaN dual-active-bridge converter with high step-up high-frequency matrix transformer
A Jafari, MS Nikoo, F Karakaya, N Perera, E Matioli
PCIM Europe digital days 2020; International Exhibition and Conference for …, 2020
132020
High-accuracy calibration-free calorimeter for the measurement of low power losses
A Jafari, M Heijnemans, R Soleimanzadeh, R van Erp, MS Nikoo, E Figini, ...
IEEE Transactions on Power Electronics 36 (1), 23-28, 2020
132020
Output-capacitance hysteresis losses of field-effect transistors
N Perera, A Jafari, L Nela, G Kampitsis, MS Nikoo, E Matioli
2020 IEEE 21st Workshop on Control and Modeling for Power Electronics …, 2020
122020
Loss Tangent of Field-Effect Transistors: Generalizing High-Frequency Soft-Switching Losses
N Perera, MS Nikoo, A Jafari, L Nela, E Matioli
IEEE Transactions on Power Electronics 35 (12), 12585-12589, 2020
122020
High step-up high-frequency zero-voltage switched GaN-based single-stage isolated DC-DC converter for PV integration and future DC grids
A Jafari, E Matioli
PCIM Europe 2018; International Exhibition and Conference for Power …, 2018
122018
Impact of embedded liquid cooling on the electrical characteristics of GaN-on-Si power transistors
L Nela, R Van Erp, N Perera, A Jafari, C Erine, E Matioli
IEEE Electron Device Letters 42 (11), 1642-1645, 2021
102021
Resonances on GaN-on-Si epitaxies: A source of output capacitance losses in power HEMTs
MS Nikoo, RA Khadar, A Jafari, M Zhu, E Matioli
IEEE Electron Device Letters 42 (5), 735-738, 2021
102021
Hard-switching losses in power FETs: The role of output capacitance
N Perera, A Jafari, R Soleimanzadeh, N Bollier, SG Abeyratne, E Matioli
IEEE Transactions on Power Electronics 37 (7), 7604-7616, 2021
92021
Optimized kilowatt-range boost converter based on impulse rectification with 52 kW/l and 98.6% efficiency
A Jafari, MS Nikoo, R Van Erp, E Matioli
IEEE Transactions on Power Electronics 36 (7), 7389-7394, 2020
92020
Efficient high step-up operation in boost converters based on impulse rectification
MS Nikoo, A Jafari, N Perera, E Matioli
IEEE Transactions on Power Electronics 35 (11), 11287-11293, 2020
92020
Calibration-free calorimeter for sensitive loss measurements: case of high-frequency inductors
A Jafari, M Heijnemans, R Soleimanzadeh, R van Erp, MS Nikoo, E Figini, ...
2020 IEEE 21st Workshop on Control and Modeling for Power Electronics …, 2020
82020
Output Capacitance losses in wide-band-gap transistors: A small-signal modeling approach
MS Nikoo, A Jafari, N Perera, E Matioli
2020 32nd International Symposium on Power Semiconductor Devices and ICs …, 2020
82020
Kilowatt-range picosecond switching based on microplasma devices
MS Nikoo, A Jafari, R Van Erp, E Matioli
IEEE Electron Device Letters 42 (5), 767-770, 2021
62021
Investigation on output capacitance losses in superjunction and GaN-on-Si power transistors
MS Nikoo, A Jafari, N Perera, HK Yildirim, E Matioli
2020 IEEE 9th International Power Electronics and Motion Control Conference …, 2020
62020
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