23 August 2017 Modeling and simulation of GaN step-up power switched capacitor converter
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Abstract
This paper discusses a proposed DC-DC switched capacitor converter for low voltage electronic products. The proposed converter is a two-level power switched capacitor (PSC) which is a boost converter. The suitability to convert a voltage into four times higher than its input is one of the converter’s objectives. Because of the proposed two-level PSC consist of eight switches and five capacitors, it occupies a small area of the electronic products. The eight switches were selected to be GaN transistors to maintain the efficiency at high rated power or high temperatures. The LTSpice simulator was used to test the proposed model. Since the design contains semiconductor elements such (GaN transistor), then 10% error is a reasonable variance between the mathematical and simulation results.
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Ayoob S. Alateeq, Yasser A. Almalaq, Mohammad A. Matin, "Modeling and simulation of GaN step-up power switched capacitor converter", Proc. SPIE 10381, Wide Bandgap Power Devices and Applications II, 103810G (23 August 2017); doi: 10.1117/12.2274174; https://doi.org/10.1117/12.2274174
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