V2EX half-bridge

Half-bridge

释义 Definition(中文)

半桥:一种常见的电力电子/开关电路拓扑,由两个串联的功率开关器件(如 MOSFET/IGBT)构成“桥臂”,在两者的中点取得输出电压,常用于逆变器、DC-DC 变换器、马达驱动、Class D 功放等。(也可泛指“桥的一半”,但最常见用法来自电子工程语境。)

发音 Pronunciation (IPA)

/hf brd/

例句 Examples

A half-bridge needs two switches and a driver.
半桥需要两个开关器件和一个驱动器。

By modulating the half-bridge with PWM, the controller generates an AC-like output from a DC supply.
通过对半桥进行 PWM 调制,控制器可以从直流电源产生类似交流的输出。

词源 Etymology(中文)

half- 表示“一半”,bridge 原意为“桥”。在电力电子中,“bridge(桥式)”借用“桥梁连接/跨接”的意象来描述由开关器件组成的桥式电路;half-bridge 字面即“半个桥式电路”,相对于由两条桥臂组成的 full bridge(全桥)

相关词 Related Words

文献与作品 Literary / Notable Works(中文)

  • Power Electronics: Converters, Applications, and Design(Mohan, Undeland, Robbins)常以半桥/全桥讲解逆变与变换器基础。
  • Switching Power Supply Design(Pressman 等)讨论半桥等拓扑在开关电源中的应用。
  • The Art of Electronics(Horowitz & Hill)在电路设计语境中涉及桥式与功率驱动相关概念。
  • 各大半导体厂商应用笔记(如 TI、Infineon、ST)大量出现 “half-bridge driver / half-bridge stage” 等用法。
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