公开(公告)号：US20240405672A1

公开(公告)日：2024-12-05

申请号：US18729077

申请日：2021-12-22

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Min Kyu JE ,  Dong Hee CHO ,  Chul KIM

IPC: H02M3/07 ,  H02J7/00

Abstract: A load driving device includes a step-up converter for raising a voltage provided by a power supply and supplying same to a load unit, by comprising a first driving unit and a second driving unit, the first driving unit comprising an inductor and a first fly capacitor, and charging energy provided by the power supply, as the inductor and the first fly capacitor are connected in parallel in a first phase, and discharging the charged energy, as the inductor and the capacitor are connected in series in a second phase, and the second driving unit comprising a second fly capacitor for charging energy provided by the power supply in the second phase and discharging the energy charged in the second phase; and a current control unit for controlling a current provided to the load unit by detecting the current flowing in the load unit and controlling the step-up converter.