Optimizing a buck voltage regulator and the number of decoupling capacitors for a PDN application

An optimization methodology to determine the best values of the compensation elements of a buck voltage regulator (VR) as well as the optimal number of decoupling capacitors in a power delivery network (PDN) application is proposed. A state average equivalent circuit model of the buck converter is e...

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Detalhes bibliográficos
Autores: Moreno-Mojica, Aurea E., Rayas-Sánchez, José E., Leal-Romo, Felipe J.
Formato: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2021
País:México
Recursos:Instituto Tecnológico y de Estudios Superiores de Occidente
Repositorio:Repositorio Institucional del ITESO
Idioma:inglés
OAI Identifier:oai:rei.iteso.mx:11117/7863
Acesso em linha:https://hdl.handle.net/11117/7863
Access Level:acceso abierto
Palavra-chave:Impedance Profile
Noise Control
Power Delivery Network
Power Integrity
Voltage Droop
Voltage Regulator
Descrição
Resumo:An optimization methodology to determine the best values of the compensation elements of a buck voltage regulator (VR) as well as the optimal number of decoupling capacitors in a power delivery network (PDN) application is proposed. A state average equivalent circuit model of the buck converter is employed. The proposed optimization methodology gradually finds the best compensation parameter values of a buck converter VR to meet some stability criteria in a PDN application. Additionally, the number of parallel decoupling capacitors in the PDN is minimized to simultaneously meet a frequency-domain impedance profile specification and a time-domain voltage droop requirement.