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首页> 外文会议>2017 IEEE Nordic Circuits and Systems Conference: NORCHIP and International Symposium of System-on-Chip >Synthesis and design of a fully integrated multi-topology switched capacitor DC-DC converter with gearbox control
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Synthesis and design of a fully integrated multi-topology switched capacitor DC-DC converter with gearbox control

机译：具有变速箱控制的全集成多拓扑开关电容器DC-DC转换器的综合与设计

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摘要

This paper discusses a methodology of minimizing the amount of switches in a multi-topology fully integrated switched capacitor dc-dc converter powered by a super capacitor for energy harvesting purposes. The design of a simple controlling circuit for the multi-topology power stage using a gearbox approach is presented with all the required circuits. The converter is able to generate a output voltage of 1.2 V from a 470 mF capacitor charged to 3 V down to 1.4 V. The output voltage is regulated with a ripple voltage below 7 mV. The controlling circuit including buffers with ideal comparators has a power consumption of 129 μW, the average efficiency is 67% and the peak efficiency of the converter is 81%.
机译：本文讨论了一种方法，该方法可最大限度地减少由超级电容器供电的多拓扑完全集成开关电容器DC-DC转换器中的开关数量，以实现能量收集目的。提出了使用变速箱方法的多拓扑功率级简单控制电路的设计以及所有必需的电路。该转换器能够通过一个470 mF电容器产生一个1.2 V的输出电压，该电容器充电至3 V降至1.4V。输出电压通过低于7 mV的纹波电压进行调节。包含带有理想比较器的缓冲器的控制电路的功耗为129μW，平均效率为67％，转换器的峰值效率为81％。

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