Design of High-Sensitivity Cold-Start Circuit for Wireless Energy Harvesting With Low Start-Up Voltage

被引：0
|
作者：
Shi, Feng [1 ]
Wang, Fang [2 ]
Yang, Chen [2 ]
Li, Xiaochao [1 ]
Du, Yongqian [2 ,3 ]
机构：
[1] Xiamen Univ, Sch Elect Sci & Engn, Xiamen, Peoples R China
[2] Northwestern Polytech Univ, Sch Elect & Informat, Xian, Peoples R China
[3] Northwestern Polytech Univ, Res & Dev Inst, Shenzhen, Peoples R China
来源：
INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS | 2024年
基金：
中国国家自然科学基金;
关键词：
charge pump; cold start; DC-DC booster; power conversion efficiency; wireless energy harvesting; INPUT BOOST CONVERTER; CHARGE PUMP; INTERFACE; DBM;
D O I：
10.1002/cta.4372
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：
A high-sensitivity and low start-up voltage cold-start circuit for wireless power harvesting is presented in this work. To improve conversion efficiency and reduce charge pump stages, a pipeline power supply uplifting clocking (PPSUC) driving scheme is proposed, which improves the conversion efficiency more than 45%. By adopting a two-stage PPSUC driving Pelliconi charge pump, the proposed cold-start circuit is designed and verified in a commercial 65-nm MCOS process. Benefiting from the proposed PPSUC driving scheme, the cold-start circuit demonstrates a low start-up voltage of 170 mV and a high cold stat sensitivity of -32 dBm.
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收藏
页数：12
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