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JSSC 2025第12期Power Management0.18µm CMOS

A Synchronous Piezoelectric–Electromagnetic Hybrid Energy Harvesting Platform With Coil-Sharing Scheme Yuchen Wei

提出一种无电感、无电容的压电-电磁混合能量收集平台,实现全集成系统。
1.8V和5V双稳压输出,最大输出功率2.72mW,峰值效率90%
能量收集压电电磁物联网全集成
无电感设计
线圈共享技术
全集成混合能量收集系统
Abstract
Vibration energy harvesting is a promising power solution for autonomous wireless sensor nodes, particularly in volume-constrained Internet-of-Things (IoT) applications. Piezo- electric (PE) and electromagnetic (EM) transducers are widely used to convert vibration energy into electrical power. While hybrid PE–EM harvesters can deliver higher output power to support self-sustained systems, existing implementations invari- ably rely on at least one o ff-chip inductor for either PE bias-flip or dc–dc