People

Ludovic Roche

Ludovic Roche

Team

ISGE : Power Management System Integration

Contact details

Email :

Phone :

Links

Latest publications

2026

Conference papers

Ludovic Roche, David Trémouilles, Emmanuel Marcault, Corinne Alonso. GaN HEMTs Dynamic Instabilities Caused by Gate Voltage Spikes via pGaN Potential Biasing. 37th European Symposium on Reliability of Electron Devices, Failure Physics and Analysis - ESREF2026, Sep 2026, Vienna, Austria. ⟨hal-05695998⟩

2025

Journal articles

Ludovic Roche, David Trémouilles, Emmanuel Marcault, Corinne Alonso. Static vs. dynamic characterization of p-GaN HEMTs: Discrepancies in electrical characteristics and their dependence on bias history. Power Electronic Devices and Components, 2025, 12, pp.100112. ⟨10.1016/j.pedc.2025.100112⟩. ⟨hal-05272781⟩

Conference papers

Ludovic Roche, David Trémouilles, Emmanuel Marcault, Corinne Alonso. Méthodologie innovante pour la caractérisation dynamique, reproductible et sans parasite de composants p-GaN HEMTs ; mise en évidence d'effets exclusivement dynamiques. SGE 2025 - Sixième Symposium de Génie Électrique, Jul 2025, Toulouse, France. ⟨hal-05329865⟩

Ludovic Roche, David Trémouilles, Emmanuel Marcault, Corinne Alonso. Static vs. Dynamic Characterization of p-GaN HEMTs: Discrepancies in Electrical Characteristics and their Dependence on Bias History. The 26th European Conference on Power Electronics and Applications, GDR SEEDS France & EPE Association, Mar 2025, Paris, France. ⟨10.34746/epe2025-0309⟩. ⟨hal-05079887⟩

Ludovic Roche, David Trémouilles, Emmanuel Marcault, Corinne Alonso. Experimental Investigation and Behavioral Modeling of the Ron vs. Gate Overshoots Relationship in Schottky p-GaN HEMTs. 2025 IEEE 12th Workshop on Wide Bandgap Power Devices and Applications (WiPDA), Nov 2025, Fayetteville, AR, United States. pp.1-6, ⟨10.1109/WiPDA63755.2025.11303413⟩. ⟨hal-05329882⟩

2024

Patents

Ludovic Roche, David Trémouilles, Emmanuel Marcault, Corinne Alonso. Générateur d'impulsion et circuit de commande d'un composant électronique de puissance. France, N° de brevet: FR3161521. 2024, https://data.inpi.fr/brevets/FR3161521. ⟨hal-05335598⟩

2023

Conference papers

Ludovic Roche, David Trémouilles, Emmanuel Marcault, Corinne Alonso. Study of GaN HEMTs Robustness to Application-Like, Software-Controlled Overshoots Emulating Different Gate Routings in Original 50 Ohms Environment. Workshop on Wide Bandgap Power Devices & Applications (WiPDA) 2023, Dec 2023, Charlotte (North Carolina), United States. ⟨10.1109/WiPDA58524.2023.10382216⟩. ⟨hal-04239100⟩

Preprints, Working Papers, ...

Ludovic Roche, David Trémouilles, Emmanuel Marcault, Corinne Alonso. The Decisive Role of Gate Voltage Overshoots on the Ron of p-GaN HEMTs in Realistic Dynamic Operation. 2025. ⟨hal-04980326⟩

2022

Preprints, Working Papers, ...

Ludovic Roche, David Trémouilles, Emmanuel Marcault, Corinne Alonso. Driving of GaN HEMT. 2022. ⟨hal-03874986⟩