A Fibonacci-like Charge Pump Cell for LCD Driver

YU Hai-rong; CHEN Zhi-liang

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A Fibonacci-like Charge Pump Cell for LCD Driver

更新时间：2025-07-16

- A Fibonacci-like Charge Pump Cell for LCD Driver
- Acta Electronica Sinica Vol. 30, Issue 5, Pages: 753-756(2002)
- 作者机构：
  
  清华大学微电子所,北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN141.9
- Published：2002
- 稿件说明：
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YU Hai-rong, CHEN Zhi-liang. A Fibonacci-like Charge Pump Cell for LCD Driver[J]. Acta Electronica Sinica, 2002, 30(5): 753-756.
DOI：

YU Hai-rong, CHEN Zhi-liang. A Fibonacci-like Charge Pump Cell for LCD Driver[J]. Acta Electronica Sinica, 2002, 30(5): 753-756. DOI：

摘要

本文中所设计的电荷泵将用于手机液晶显示驱动模块中.通过对Fibonacci型电荷泵上升时间的估算

对减小上升时间和动态功耗进行折中考虑

本文提出优化开关频率的方法.用1.2μm CMOS双阱工艺参数对所设计的电荷泵进行模拟

结果表明这个电荷泵具有较快的上升速度和较高的效率.通过提高V

电平和保证开关管的衬底始终接在最高电位上

文中提出了一种新型Fibonacci电荷泵

它可以正常工作在从1.2V到5V变化的多种电源电压下.

Abstract

The charge pump is designed for LCD-driver used in mobile telephone.By estimation of the rise time of the Fibonacci-like charge pump

an optimal switching frequency is suggested to make a compromise between the rise time and the dynamic power dissipation.The simulating comparison results based on 1.2μm CMOS technology parameters show that the charge pump has a high pumping speed and a high power efficiency.By some techniques

a novel charge pump is proposed which can operate in versatile portable equipments supplied by 1.2V~5V.One is to improve the V

voltage potential

the second is to connect substrates always to highest voltage by sets of two transistors.

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