V2EX charge pump

Charge Pump

释义 Definition

电荷泵:一种常见的电子电路/电源转换技术,利用开关电容在不同相位间转移电荷,实现升压、降压或产生负电压,常用于 PLL(锁相环)Flash/EEPROM 写入电压LCD 驱动电源管理芯片等。

发音 Pronunciation (IPA)

/trd pmp/(美式常见)
/td pmp/(英式常见)

例句 Examples

The chip uses a charge pump to generate a higher voltage.
该芯片使用电荷泵来产生更高的电压。

In a PLL, the charge pump and loop filter work together to control the VCO and keep the output frequency locked to the reference.
在锁相环中,电荷泵与环路滤波器配合控制压控振荡器,使输出频率锁定在参考频率上。

词源 Etymology

charge 原义与“装载、负载、使带电”相关,来自古法语 charger(装载、加重),进一步追溯到拉丁语 carricare(装车、装载)。在电子学里引申为“电荷/充电”。
pump 来自中荷兰语 pompe,表示“泵、抽送装”。组合成 charge pump,字面意思是“把电荷像泵一样抽送/搬运的装置”,贴合其通过电容“搬运”电荷来改变电压的工作方式。

相关词 Related Words

文学与著作中的用例 Literary Works

  • The Art of Electronics(Paul Horowitz, Winfield Hill)在电源与模拟/混合信号电路相关章节中讨论电荷泵等实用电路形式。
  • CMOS VLSI Design: A Circuits and Systems Perspective(Neil H. E. Weste, David Harris)在集成电路系统与时钟/电源相关内容中涉及电荷泵的应用场景。
  • Design of Analog CMOS Integrated Circuits(Behzad Razavi)在模拟CMOS电路与系统应用语境中常会提到电荷泵及其相关模块(如PLL中的电荷泵)。
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