微能量收集应用的低功率调节器

Tapani Nevalainen, E. Ferro, V. Brea, Paula López, A. Paasio
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引用次数: 0

摘要

在微能量收集应用中,电源管理单元中最重要的模块之一是调节器。本文提出了一种由比较器、基准电压和输出电压监测器组成的低功率稳压器。调节输出电压设为1.1V。稳压器在10kHz时的平均电流消耗为1.6nA。在$\ mathm {V}_{dd}\,=0.8\ mathm {V}$时,所提出的比较器的能量/转化率为20fJ。参考电压和输出电压监测器的电流消耗分别为19pA和22pA。这些数字使我们的解决方案非常适用于能量水平非常有限的能量采集器,如植入式设备等应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Low-Power Regulator for Micro Energy Harvesting Applications
In micro energy harvesting applications one of the most essential blocks of the power management unit is the regulator. In this paper we present a low-power regulator consisting of a comparator, a voltage reference and an output voltage monitor. The output voltage of the regulation is set at 1.1V. The average current consumption of the regulator at 10kHz is 1.6nA. The energy/conversion ratio of the proposed comparator is 20fJ at $\mathrm{V}_{dd}\,=0.8\mathrm{V}$. The current consumption of the voltage reference and the output voltage monitor is 19pA and 22pA, respectively. These numbers make our solution very suitable for energy harvesters that have very limited energy levels available, as is the case of applications like implantable devices.
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