Título:
Modular architecture for ultra low power switched-capacitor DC-DC converters
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Autor:
Castro Lisboa, Pablo
Silveira, Fernando
Eirea, Gabriel
Silveira, Fernando
Eirea, Gabriel
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Tipo de documento:
Preprint
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Descriptores:
Electrónica
Año de publicación:
2012
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Resumen:
This work presents a novel modular architecture for a step-down Switched-Capacitor Converter for Ultra Low Power applications. The modularity of the architecture allows to generate any conversion ratio in the same way. Additionally a technique for increasing efficiency by recycling the charge stored in parasitic capacitances is presented, which reduced the losses due to this cause in 80%. An example of converter with four conversion ratios for a supply voltage of 2.8V, load current up to 100μA in a 0.5μm CMOS process was designed and electrically simulated. The efficiency achieved for the 4/5 conversion ratio is above 77% for one order of magnitude of the load current.
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Citación:
Castro, P, Silveira, F, Eirea, G. "Modular architecture for Ultra Low Power Switched-Capacitor DC-DC Converters," [Preprint] Publicado en 2012 IEEE 55th International Midwest Symposium on Circuits and Systems (MWSCAS), Boise, ID, USA, 2012, pp. 1036-1039, doi: 10.1109/MWSCAS.2012.6292200
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Departamento académico:
Electrónica
Grupo de investigación:
Microelectrónica
Licencia:
Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
Colecciones:
| Ficheros | Descripción | Tamaño | Formato | ||
|---|---|---|---|---|---|
| CSE12.pdf | — | 319.88 KB | Adobe PDF |