V2EX gate-driver

Gate-Driver

释义 Definition

栅极驱动器(gate driver):用于向功率器件(如 MOSFET / IGBT)的栅极提供合适的电压与电流的电路或芯片,以实现快速、可靠的开通与关断,并常带有隔离、欠压锁定、死区控制等保护/控制功能。(在不同语境下也可指“栅极驱动电路”。)

发音 Pronunciation

/et dravr/

例句 Examples

A gate-driver IC helps switch the MOSFET on and off quickly.
栅极驱动芯片能帮助 MOSFET 快速开通与关断。

In a half-bridge converter, the gate-driver must provide proper dead time to prevent shoot-through.
在半桥变换器中,栅极驱动器必须提供合适的死区时间,以防止上下管直通。

词源 Etymology

gate-drivergate(栅极) + driver(驱动器) 组合而成。这里的 gate 源自早期电子器件的“栅/栅极”结构概念;driver 在电子工程中常指“提供足够驱动能力(尤其是电流/电压)去控制某个端口或负载的电路”。合起来即“专门驱动栅极的电路/器件”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Ned Mohan, Tore M. Undeland, William P. Robbins:《Power Electronics: Converters, Applications, and Design》中多处讨论功率器件的开关与gate driver设计要点。
  • Rashid:《Power Electronics: Circuits, Devices, and Applications》涉及驱动电路、保护与开关损耗分析时常使用gate driver一词。
  • Texas Instruments / Infineon / onsemi 等厂商的栅极驱动器数据手册与应用笔记(如半桥驱动、隔离驱动、欠压锁定 UVLO)中高频出现 gate driver
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