A High-Efficiency Low-Ripple Charge Pump without Threshold Loss

LI Qing; ZHOU Jian-jun

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A High-Efficiency Low-Ripple Charge Pump without Threshold Loss

更新时间：2026-09-04

- A High-Efficiency Low-Ripple Charge Pump without Threshold Loss
- Vol. 32, Issue 4, Pages: 86-89(2015)
- 作者机构：
  
  上海交通大学微电子学院,上海,200240
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2015
- 稿件说明：
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李卿, 周健军. 一种完全消除阈值电压损失的低纹波高效电荷泵[J]. 微电子学与计算机, 2015, 32(4): 86-89,93.

LI Qing, ZHOU Jian-jun. A High-Efficiency Low-Ripple Charge Pump without Threshold Loss[J]. 2015, 32(4): 86-89.
李卿, 周健军. 一种完全消除阈值电压损失的低纹波高效电荷泵[J]. 微电子学与计算机, 2015, 32(4): 86-89,93. DOI：

LI Qing, ZHOU Jian-jun. A High-Efficiency Low-Ripple Charge Pump without Threshold Loss[J]. 2015, 32(4): 86-89. DOI：

摘要

提出了一种新型全PMOS四相时钟电荷泵结构.双支路交叉型的输出级消除了阈值电压的损失

降低了输出电压纹波

同时辅助晶体管的栅极采用互补支路的节点动态偏置

采用新的时钟驱动策略

消除了栅极连接的辅助电容反复充放电的影响

进而提升了电荷泵输出效率.最后在TSMC 0.18 μm工艺下

对电路进行了仿真验证.

Abstract

In this paper

a new all-PMOS four-phase charge pump is proposed. Cross-coupled output stage eliminates the threshold loss and reduees the output ripple. The grids of supplementary crystals adopt the dynamic gate bias from complementary branch node

and new clock scheme

and with dynamic gate bias from complementary branch node and new clock scheme

auxiliary capacitance avoids charging and discharging in each cycles deadtime

which improves output efficiency. Simulation result in TSMC 0.18 μm process has been given out in the end.

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