Dual-Band Rectifier Using Coupled Inductor for Wireless Power Transfer Receivers

被引：0
作者：
Kim, Dongmin [1 ]
Chae, Jongyoon [2 ]
Park, Ki-Bum [3 ]
Moon, Gun-Woo [4 ]
机构：
[1] Elect & Telecommun Res Inst, Daejeon 35275, South Korea
[2] Hyundai Motor Co, Seoul 18280, South Korea
[3] Korea Adv Inst Sci & Technol, Grad Sch Mobil, Daejeon 34051, South Korea
[4] Korea Adv Inst Sci & Technol, Dept Elect Engn, Daejeon 34141, South Korea
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2025年 / 40卷 / 05期
关键词：
Rectifiers; Circuits; Dual band; Inductors; Topology; Receivers; Inductive charging; Power harmonic filters; Inductance; Harmonic analysis; Class D topology; dual-band wireless charging system; high-frequency wireless charging; push-pull class E topology; rectifier; wireless charging receiver; wireless power transfer;
D O I：
10.1109/TPEL.2024.3521362
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：
This article proposes a dual-band wireless power receiver capable of both kHz-band and MHz-band wireless charging. The proposed rectifier automatically switches between two charging modes depending on the frequency band of the input signal. It operates as a class D rectifier at low-frequency band input and a class E rectifier at high-frequency band input. This mode change requires no active elements, additional sensing circuits, or external control signals. Therefore, the proposed circuit can be utilized as a low-cost, high-power-density dual-band wireless power receiver. The proposed circuit is verified through a prototype supporting 45 W low-frequency charging and 20 W high-frequency charging.
引用
收藏
页码：7488 / 7499
页数：12
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