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Average inductor current sensor for digitally-controlled switched-mode power supplies
dc.contributor.author | Rodríguez González, Miguel | |
dc.contributor.author | López Martín, Víctor Manuel | |
dc.contributor.author | Azcondo Sánchez, Francisco Javier | |
dc.contributor.author | Sebastián Zúñiga, Francisco Javier | |
dc.contributor.author | Maksimovic, Dragan | |
dc.date.accessioned | 2013-11-15T11:14:06Z | |
dc.date.available | 2013-11-15T11:14:06Z | |
dc.date.issued | 2012 | |
dc.identifier.citation | IEEE Transactions on Power Electronics, 27(8), p. 3795-3806 (2012); doi:10.1109/TPEL.2012.2183893 | |
dc.identifier.issn | 0885-8993 | |
dc.identifier.uri | http://hdl.handle.net/10651/19555 | |
dc.description.abstract | Current-mode control in digitally controlled switched-mode power supplies typically requires analog-to-digital (A/D) conversion of at least two signals, voltage, and current. The complexity of voltage A/D converters can be reduced using window A/D techniques. In conventional current A/D conversion, however, relatively high resolution is required over a wide range of signals, which results in increased complexity, power consumption, and cost of the controller. This paper proposes a very simple feedback sensor capable of high-resolution average inductor current sensing using two analog comparators and an analog low-pass filter. The approach requires very few external components and employs minimal digital hardware resources. A dynamic model and performance of the average inductor current sensor are experimentally verified on a 12-V input, 19-V output, 50-W boost converter prototype. The applicability of the proposed sensor is demonstrated in a digitally controlled 400-W, 400-V output Boost power factor preregulator | eng |
dc.format.extent | p. 3795-3806 | spa |
dc.language.iso | eng | |
dc.relation.ispartof | IEEE Transactions on Power Electronics, 27(8) | spa |
dc.title | Average inductor current sensor for digitally-controlled switched-mode power supplies | eng |
dc.type | journal article | |
dc.identifier.doi | 10.1109/TPEL.2012.2183893 | |
dc.relation.publisherversion | http://dx.doi.org/10.1109/TPEL.2012.2183893 | spa |
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