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.

引用

页数：12

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