Design of a mitigation circuit to improve MOSFET switching in a half-bridge configuration

 

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Bibliografski detalji
Autori: Alvarado-Rivera, Giancarlo, Fonseca-Huapaya, Ana Rebeca, Arias-Esquivel, Yeiner
Format: artículo original
Status:Versión publicada
Datum izdanja:2025
Opis:This work addresses the design of a circuit to minimize the adverse effects of MOSFET switching in a half-bridge configuration. MOSFETs suffer from efficiency and stability issues due to parasitic capacitances and inductances. To mitigate these effects, gate-on and gate-off resistors were added, along with a capacitor between the gate and source. These modifications proved effective in simulations and experimental tests, reducing disturbances and voltage spikes while improving system stability. The proposed solution enhances the performance of MOSFETs in high-frequency and high-power applications, increasing energy efficiency and reducing component stress.
Zemlja:Portal de Revistas TEC
Institucija:Instituto Tecnológico de Costa Rica
Repositorio:Portal de Revistas TEC
Jezik:Español
OAI Identifier:oai:ojs.pkp.sfu.ca:article/7858
Online pristup:https://revistas.tec.ac.cr/index.php/tec_marcha/article/view/7858
Ključna riječ:Commutation
Half-bridge
Miller inductance
MOSFET
oscillation
Capacitancia de Miller
conmutación
oscilación
medio puente H