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首页> 外文期刊>Circuits and Systems II: Express Briefs, IEEE Transactions on >Two Phase (Reconfigurable) Inverting Switched Capacitor Converter for Micro Power Applications and its Accurate Equivalent Resistance Calculation
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Two Phase (Reconfigurable) Inverting Switched Capacitor Converter for Micro Power Applications and its Accurate Equivalent Resistance Calculation

机译：用于微功率应用的两相（可重构）反相开关电容转换器及其精确的等效电阻计算

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摘要

This brief addresses inverting switched capacitor converter (SCC) for driving the white light emitting diodes (WLEDs). The various voltage conversion ratios (VCRs) are selected to control the WLEDs blacklights, which helps to save the battery life. The major contribution are developing maximum VCRs for power converter integrated circuits (ICs) and equivalent resistance (R-eq) accurate calculation which includes all conduction and ohmic losses. Furthermore, inverting SCC (ISCC) experimental results are obtained from prototype model. Accurate R-eq analyses validates the accuracy of proposed topology. It is designed for low voltage of 10 mV to 0.1 V and it provides the output voltage of -100 mV to -0.5 V. Finally, the novelty of accurate Req calculation in this brief is that the calculation results are verified with experimental ones, particularly, at the transition region (between slow switching limit and fast switching limit). On the other hand, calculation, simulation and experimental results perfectly coincide with each other. Accurate equivalent resistance calculation and average current calculation are compared and some of the recent publications providing the merits of the proposed converter are explained.
机译：本简要内容介绍了用于驱动白光发光二极管（WLED）的反相开关电容器转换器（SCC）。选择各种电压转换比（VCR）来控制WLED的黑光，这有助于节省电池寿命。主要贡献在于开发了用于功率转换器集成电路（IC）的最大VCR和等效电阻（R-eq）的精确计算，其中包括所有传导损耗和欧姆损耗。此外，从原型模型获得了反向SCC（ISCC）实验结果。准确的R-eq分析可验证所提议拓扑的准确性。它专为10 mV至0.1 V的低压而设计，可提供-100 mV至-0.5 V的输出电压。最后，本摘要中准确的Req计算的新颖之处在于，通过实验验证了计算结果，特别是，在过渡区域（慢速切换极限和快速切换极限之间）。另一方面，计算，仿真和实验结果彼此完全吻合。比较了精确的等效电阻计算和平均电流计算，并解释了一些提供所建议转换器优点的最新出版物。

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