A Novel Ultra-Low Input Voltage and Frequency Self Starting AC–DC Boost Converter for Micro Energy Harvesting

被引：1
|
作者：
Castellano-Aldave, J. Carlos [1 ]
De La Cruz-Blas, Carlos A. [1 ,2 ]
Carlosena, Alfonso [1 ,2 ]
机构：
[1] Univ Publ Navarra, Dept Elect Elect & Commun Engn, Pamplona 31006, Spain
[2] Univ Publ Navarra, Inst Smart Cities, Pamplona 31006, Spain
来源：
IEEE SENSORS LETTERS | 2024年 / 8卷 / 05期
关键词：
Sensor applications; bridgeless ac-dc converter; micro-energy harvesting; ultra-low frequency operation; ultra-low input voltage;
D O I：
10.1109/LSENS.2024.3387272
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, a novel low-voltage junction field-effect transistor (JFET) oscillator with self-starting capability to implement an ac-dc boost converter is introduced. The circuit is transformer free and can operate with very low-voltage and low-frequency signals. In order to operate with positive and negative input signals, a coupled topology of JFETs has been used. The circuit has been built using off the shelf components, and can be used with electromagnetic harvesters, thermoelectric modules, and/or wearable devices. Experimental results with a practical harvester are provided in order to demonstrate the proposed ac-dc boost converter.
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页码：1 / 4
页数：4
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