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A 6.78 MHz Wireless Power Transfer System for Simultaneous Charging of Multiple Receivers with Maximum Efficiency using Adaptive Magnetic Field Distributor IC

机译：一种6.78 MHz无线电力传输系统，用于使用自适应磁场分配器IC的最大效率同时充电多个接收器

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We developed a 6.78 MHz wireless power transfer (WPT) system for simultaneous charging of multiple receiver (RX) coils. On the basis of the transmitter (TX)-RX and RX-RX coupling distinguished by the adaptive magnetic field distributor (AMFD) IC, the distribution of magnetic fields from the TX coils was optimized at each RX coil for the maximum efficiency. A 2-TX 2-RX WPT system was implemented with the AMFD ICs fabricated in 1.8 V, 180 nm CMOS process. Compared with the conventional method, the system efficiency is increased from 8.9 % to 61 % with the load power of 173 mW.

机译：我们开发了6.78 MHz无线电力传输（WPT）系统，用于同时充电多接收器（RX）线圈。基于由自适应磁场分配器（AMFD）IC的发送器（TX）-Rx和Rx-Rx耦合，在每个Rx线圈上优化来自Tx线圈的磁场的分布以获得最大效率。使用1.8 V，180nm CMOS过程中制造的AMFD IC来实现2-TX 2-RX WPT系统。与传统方法相比，系统效率从8.9％增加到61％，负载功率为173 mW。

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《Symposium on VLSI Circuits》|2021年|1-2|共2页
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Hao Qiu; Makoto Takamiya;
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Coils; Couplings; Adaptive systems; Transmitters; Wireless power transfer; Receivers; Very large scale integration;

机译：线圈;联轴器;自适应系统;发射器;无线电力传输;接收器;非常大规模集成;

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专利

1. Design and implementation of a high-efficiency 6.78 MHz resonant wireless power transfer system with a 5 W fully integrated power receiver [J] . Junil Moon, Hyeonseok Hwang, Byeonghak Jo, Power Electronics, IET . 2017,第5期

机译：具有5µW全集成功率接收器的高效6.78µMHz谐振无线功率传输系统的设计与实现
2. Analysis and Design of a High-Efficiency 6.78-MHz Wireless Power Transfer System With Scalable Number of Receivers [J] . Song Jibin, Liu Ming, Ma Chengbin IEEE Transactions on Industrial Electronics . 2020,第10期

机译：高效6.78-MHz无线电力传输系统的分析与设计，可扩展数量接收器
3. A 99%-efficiency GaN converter for 6.78 MHz magnetic resonant wireless power transfer system [J] . Yoshiyuki Akuzawa, Yuki Ito, Toshihiro Ezoe, The Journal of Engineering . 2014,第10期

机译：用于6.78 MHz磁谐振无线功率传输系统的效率为99％的GaN转换器
4. A 6.78 MHz Wireless Power Transfer System Enabling Perpendicular Wireless Powering with Efficiency Increase from 0.02 to 48.2 by Adaptive Magnetic Field Adder IC Integrating Shared Coupling Coefficient Sensor [C] . Hao Qiu, Toru Sai, Makoto Takamiya IEEE Symposium on VLSI Circuits . 2020

机译：集成共享耦合系数传感器的自适应磁场加法器IC可实现垂直无线供电的6.78 MHz无线功率传输系统，其效率从0.02％提高到48.2％
5. Analysis and practical considerations in implementing multiple transmitters and receivers for wireless power transfer via coupled magnetic resonance. [D] . Johari, Rizal. 2014

机译：在实现多个通过耦合磁共振进行无线电力传输的发射器和接收器时的分析和实际考虑。
6. Global Analysis of Transcriptional Expression in Mice Exposed to Intermediate Frequency Magnetic Fields Utilized for Wireless Power Transfer Systems [O] . Shin Ohtani, Akira Ushiyama, Machiko Maeda, 2019

机译：暴露于中频磁场的小鼠的转录表达的整体分析用于无线电力传输系统
7. A New Adaptive Efficiency Control of the Transmitter with Remote Monitoring of the Receiver Load for 6.78 MHz Class Wireless Power Transfer [O] . Yuto Honda, Masahiro Fukui 2018

机译：具有6.78 MHz类无线电力传输的接收器负载远程监控的发射机的新自适应效率控制

A 6.78 MHz Wireless Power Transfer System for Simultaneous Charging of Multiple Receivers with Maximum Efficiency using Adaptive Magnetic Field Distributor IC

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