⚡ 本页包含 AI 生成的分析内容，仅供参考
本文提出一种用于植入式医疗设备超声无线能量传输的电池供电混合谐振脉冲串发生器ASIC。该芯片集成了自适应频率跟踪和残余能量回收技术，采用开关电容-谐振混合架构，实现了68.6%的Cp损耗降低和21.7%的端到端效率。
*Equally Credited Authors (ECAs) 1 Abstract This work presents a battery-powered hybrid resonant pulse-train generator for ultrasonic wireless power transfer (US-WPT) in implantable medical devices. The ASIC integrates adaptive resonance tracking, burst-mode power regulation, a switched-capacitor–resonant architecture, and residual energy harvesting. Fabricated in 0.18μm BCD, it achieves programmable US power, 68.6% Cp-loss reduction, and 21.7% end-to-end efficiency. Ultrasonic wireless power transfer (US-WPT) is an attractive solution for non-invasive energy delivery to miniaturized implantable medical devices (IMDs), thanks to its deep tissue penetration and excellent biocompatibility [1]. Delivering sufficient power at depths beyond 10mm requires large piezoelectric transducers (PZTs) driven by high-voltage (HV) pulsetrains to generate intense ultrasonic (US) bursts [2-3]. However, existing pulser designs
Xiayang Li*1, Wenyu Peng*1, Limitha Kumar1, Xiaoxi Zhao1, Cheng Huang2, Sijun Du1
Delft University of Technology, Delft, The Netherlands, 2Iowa State University, Ames, IA