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该论文提出一种电压容限三电平buck-boost DC-DC转换器，通过连续传输电流和飞电容软充电技术，解决了宽电池电压范围下动态电压缩放、宽负载电流范围及动态线/负载瞬变等挑战，适用于电池供电移动系统。
Dongsu Kim, Jaeyeol Han, Jun-Suk Bang, Yumi Lee, Ik-Hwan Kim, Ji-Seon Paek, Jongwoo Lee, Thomas Byunghak Cho Samsung Electronics, Hwaseong, Korea In recent years, buck-boost converters have been widely utilized for batterypowered mobile systems such as RF power amplifiers, battery chargers, and LED drivers. However, in a wide battery voltage range, they face challenges including dynamic voltage scaling (DVS), wide load current range, and dynamic line/load transients while ensuring reliability for an industrial usage. To resolve these issues, the conventional buck-boost (CBB) converter should overcome the characteristic of discontinuity in the output transfer current (OTC) which causes degradation of loop dynamics and transient response. Several past works with continuous OTC have been proposed to resolve these problems, but their voltage conversion ratios are limited [1, 2]. Moreover, in [3, 4], a high-voltage (HV)
Jongbeom Baek, Takahiro Nomiyama, Seungchan Park, Young-ho Jung,