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首页> 外文期刊>Circuits and Systems I: Regular Papers, IEEE Transactions on >A Sub-500 mV Highly Efficient Active Rectifier for Energy Harvesting Applications
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A Sub-500 mV Highly Efficient Active Rectifier for Energy Harvesting Applications

机译:低于500 mV的高效有源整流器,用于能量收集应用

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This paper presents a highly efficient, ultra-low-voltage active full wave rectifier. A two-stage concept is used including a first passive stage and only one active diode as second stage. A bulk-input comparator working in the subthreshold region is used to drive the switch of the active diode. The voltage drop over the rectifier is some tens of millivolt, which results in voltage and power efficiencies of over 90%. The design was successfully implemented in an $0.35~mu hbox{m}$ CMOS technology. The measured power consumption of the comparator is 266 nW@500 mV and the minimum operating voltage is 380 mV. Input voltages with frequencies up to 10 kHz can be rectified.
机译:本文提出了一种高效,超低压有源全波整流器。使用两级概念,包括第一无源级和仅一个有源二极管作为第二级。在亚阈值区域中工作的批量输入比较器用于驱动有源二极管的开关。整流器上的压降约为数十毫伏,这导致电压和功率效率超过90%。该设计已成功通过 $ 0.35〜mu hbox {m} $ CMOS技术实现。比较器的测量功耗为266 nW @ 500 mV,最小工作电压为380 mV。可以对频率高达10 kHz的输入电压进行整流。

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