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High-Current Integrated Battery Chargers For Mobile Applications, Gabriel Alejo Gabian
High-Current Integrated Battery Chargers For Mobile Applications, Gabriel Alejo Gabian
Masters Theses
Battery charging circuits for mobile applications, such as smart phones and tablets, require both small area and low losses. In addition, to reduce the charging time, high current is needed through the converter. In this work, exploration of the Buck, the 3-Level Buck and the Hybrid Buck converter is performed over the input voltage, the total FET area and the load current. An analytical loss model for each topology is constructed and constrated by experimental results. In addition, packaging and bond wire impact on on-chip losses is analyzed by 3D modeling. Finally, a comparison between the topologies is presented determining …