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JSSC 2021第10期Power Management0.18µmCharge Pump

A Reconfigurable Capacitive Power Converter With Capacitance Redistribution for I

一种可重构电容功率转换器,用于室内光能供电的无电池物联网设备。
0.18-µm CMOS, 峰值转换效率92.4%(1×)、65.7%(1.5×)、69.5%(2×)
可重构电容功率转换器无电池物联网设备电容重新分配最大功率点跟踪数字低压差调节器
电容在两充电泵级间重新分配以高效利用能量
存储和重复利用收集的能量以适应不同工作模式
采用16个可重构充电泵子模块和DLDO调节器补偿输入电压变化
Abstract
In this article, a reconfigurable capacitive power converter with capacitance redistribution for indoor light-powered batteryless Internet-of-Things (IoT) devices is presented. The proposed converter is capable of redistributing the capacitance among two charge pump stages to efficiently utilize the harvested energy and furth er powering milliwatt-powered loading circuits occasionally. Moreover, the proposed converter is capable of storing and reusing the harvested energy to cope with the power de