V2EX buck-boost converter

Buck-Boost Converter

释义 Definition

Buck-boost converter:一种DC-DC(直流-直流)开关变换器,能够把输入直流电压降压(buck)或升压(boost)到所需的输出电压。常见拓扑包括反相型(输出极性与输入相反)以及非反相型(如四开关buck-boost、SEPIC等)。

发音 Pronunciation (IPA)

/bk bust knvtr/

例句 Examples

A buck-boost converter can keep the output voltage steady when the battery voltage drops.
当电池电压下降时,降升压变换器可以保持输出电压稳定。

In portable devices, a buck-boost converter with PWM control adjusts the duty cycle to regulate the output across a wide input range.
在便携设备中,带PWM控制的降升压变换器会调节占空比,在很宽的输入范围内实现输出稳压。

词源 Etymology

buck 在电力电子语境中指“降压”,boost 指“升压”,converter 指“变换器”。合起来表示一种既能压又能升压的电压变换电路。该术语随着开关电源与电力电子技术的发展而普及,常用于描述通过开关器件与电感/电容实现能量转换的拓扑。

相关词 Related Words

文学与著作 Literary Works

  • Fundamentals of Power Electronics(Robert W. Erickson, Dragan Maksimovi)讨论多种DC-DC拓扑(含buck-boost及其控制与建模)。
  • Power Electronics: Converters, Applications, and Design(Ned Mohan 等)介绍降压、升压与降升压变换器在电源系统中的应用。
  • Switching Power Supply Design(Abraham I. Pressman 等)在开关电源设计章节中常涉及buck-boost思想与相关实现。
  • Texas Instruments / Analog Devices 等厂商的电源管理应用手册与应用笔记频繁出现“buck-boost converter”用于实际电路与选型说明。
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