Design of a high-efficiency and low-ripple charge pump circuit with double output

YU Yun; XIE Liang; ZHANG Wen-jie; JIN Xiang-liang

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Design of a high-efficiency and low-ripple charge pump circuit with double output

更新时间：2026-09-04

- Design of a high-efficiency and low-ripple charge pump circuit with double output
- Vol. 38, Issue 3, Pages: 66-71(2021)
- 作者机构：
  
  1. 江苏科技大学机构电子信息学院,江苏,镇江,212003
  2. 江苏芯力特电子科技有限公司, 江苏句容 2124004
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2021
- 稿件说明：
移动端阅览
于云, 谢亮, 张文杰, 金湘亮. 一种高效低纹波双端输出的电荷泵设计[J]. 微电子学与计算机, 2021, 38(3): 66-71.

YU Yun, XIE Liang, ZHANG Wen-jie, et al. Design of a high-efficiency and low-ripple charge pump circuit with double output[J]. 2021, 38(3): 66-71.
于云, 谢亮, 张文杰, 金湘亮. 一种高效低纹波双端输出的电荷泵设计[J]. 微电子学与计算机, 2021, 38(3): 66-71. DOI：

YU Yun, XIE Liang, ZHANG Wen-jie, et al. Design of a high-efficiency and low-ripple charge pump circuit with double output[J]. 2021, 38(3): 66-71. DOI：

摘要

针对传统电荷泵电压损耗严重和输出纹波较高的缺点，本文提出了一种高效低纹波双端输出电荷泵。该电荷泵基于传统电荷泵做了结构上的改进，利用栅压驱动，减小输出纹波，达到正反相倍压输出，并设计一款稳定高驱动能力的振荡器电路，振荡器电源由电荷泵输出端直接自给，降低了电压损耗，提高了转换效率。电荷泵电路基于0.6 m CMOS工艺进行设计与仿真，仿真结果表明改进型电荷泵启动稳压时间仅为51 s，在常规电源电压2.8~5 V均可达到正反相倍压的目的。典型电源电压3.3 V，负载电流10 mA条件下，输出+可达6.2 V，-可达-6 V，纹波仅为15 mV，具有转换效率高，稳压输出的优点，改善了性能指标。

Abstract

Aiming at the shortcomings of the traditional charge pump with serious voltage loss and high output ripple

a high efficiency low ripple double-ended output charge pump isproposedin this paper. Based on the traditional charge pump

drive with gate voltage

the charge pump has been structurally improved to reduce the output ripple and achieve positive and negative voltage doubled output

and design a stable and high-driving oscillator circuit. The power supply of the oscillator is self-sufficient from the output of the charge pump

reducing Voltage loss improves conversion efficiency. The charge pump circuit is designed and simulated based on the 0.6 m process. The simulation results show that the improved charge pumps start-up voltage regulation time is only 51 s

and it can achieve the purpose of positive and reverse voltage multiplication at a conventional power supply voltage of 2.8~6 V. Typical power supply voltage 3.3 V

load current 11 mA

output V + up to 6.2 V

- up to -6 V

ripple is only 15 mV

has the advantages of high conversion efficiency and regulated output.The performance index is enhanced.

关键词

Keywords

references

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YIN F F, WU C Y, LI W C, et al. Design of a novel charge-pump integrated circuit for double output positive and negative double voltage[J]. Journal of Liaoning University (Natural Sciences Edition), 2007, 34(3): 211-213. DOI: 10.3969/j.issn.1000-5846.2007.03.006.

ZHANG W J, YANG F, DUAN J B, et al. Design of a new constant voltage output charge pump for MEMS microphones[J]. Research%Progress of SSE, 2013, 33(3): 300-304. DOI:10.3969/j.issn.1000-3819.2013.03.020.

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