[23p-A311-1~6] 16.2 Energy Harvesting

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[23p-A311-5] Power Control Methods for Magnetostrictive Vibration Energy Harvester in a Wide Range of Vibration Acceleration

〇Masahiko Ito¹, Shimpei Ono¹ (1.CRIEPI)

Keywords:

Vibration energy harvester,Magnetostriction,Power management circuit

We propose a method in which a circuit from the vibration energy harvester to the power management IC via the voltage multiplier circuit is installed in parallel with a circuit that only rectifies the power and connects it to the power management IC. Using this method, the power obtained from the vibration energy harvester selectively flows through the voltage multiplier circuit at low voltages and through the rectifier circuit at high voltages, enabling the power management IC to operate efficiently over a wide range of vibration accelerations from 0.98 to 9.8 m/s².