← 返回 JSSC 论文列表JSSC 2025第10期RF & Wireless180-nm BCD
A Wireless Power and Data Transfer System for Medical Implants Using a Miniaturi
一种用于医疗植入物的无线能量与数据传输系统,通过频率分裂增强技术实现高效能量传输与高速数据通信。
60.2% PTE, 43.4-mW PDL, 1-Mb/s DR
无线能量传输医疗植入物频率分裂数据通信LC谐振
▸创新点1:频率分裂增强技术(FSE)是一种方法创新,通过动态调整谐振频率分裂特性,显著提升功率传输效率(PTE)和数据速率(DR)的兼容性,实现了60.2%的PTE和1-Mb/s的DR。
▸创新点2:动态负载隔离(LLI)属于电路创新,采用准谐振升压转换器(QRBC)在谐振阶段动态解耦负载,解决了功率传输与数据接收的相互干扰问题,同时提供稳定的升压输出电压。
▸创新点3:时间交错LC谐振是系统创新,通过身体调谐峰值检测器(BTPD)实现精确时序控制,确保在不同链路条件下可靠运行,支持43.4-mW的PDL和1-Mb/s的DR。
▸创新点4:频率-幅度转换器是一种电路创新,通过放大包络差异增强灵敏度,使微型链路中仍能实现鲁棒的数据解调,进一步提升了系统的整体性能。
Abstract
This article presents an enhanced-frequency-
splitting-based wireless power and data transfer (EFS-WPDT)
system that simultaneously delivers power and forward data
over a compact inductive link. For data transmission, the
proposed system employs frequency-shift keying (FSK) based
on frequency-splitting enhancement (FSE), which is enabled
by dynamic link-load isolation (LLI) and time-interleaved LC
resonance. This approach e ffectively addresses the conventional
tradeoffs among power delivered to t