Models for energy recovery efficiency of PDP data driver IC

HUA Guo-huan; LIU Qing-quan

doi:10.3788/YJYXS20142906.0989

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Models for energy recovery efficiency of PDP data driver IC

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- Models for energy recovery efficiency of PDP data driver IC
- Chinese Journal of Liquid Crystals and Displays Vol. 29, Issue 6, Pages: 989-996(2014)
- 作者机构：
  
  南京信息工程大学电子与信息工程学院, 江苏南京 210044
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20142906.0989
  CLC： TN43
- Received：19 February 2014，
  
  Revised：27 March 2014，
  
  Published Online：06 May 2014，
  
  Published：05 December 2014
- 稿件说明：
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华国环, 刘清惓. PDP列驱动芯片能量恢复效率模型[J]. 液晶与显示, 2014,29(6): 989-996

HUA Guo-huan, LIU Qing-quan. Models for energy recovery efficiency of PDP data driver IC[J]. , 2014,29(6): 989-996
华国环, 刘清惓. PDP列驱动芯片能量恢复效率模型[J]. 液晶与显示, 2014,29(6): 989-996 DOI： 10.3788/YJYXS20142906.0989.

HUA Guo-huan, LIU Qing-quan. Models for energy recovery efficiency of PDP data driver IC[J]. , 2014,29(6): 989-996 DOI： 10.3788/YJYXS20142906.0989.

摘要

为了分析PDP列驱动芯片的能量恢复效率，提出了2种分析模型。DPLD（double-channel p-type lateral extended drain MOS）管是列驱动芯片中能量恢复电路的核心元器件。CRC（电容-电阻-电容）等效电路模型适用于漏电流能力较弱的DPLD管；VCCS（压控电流源）模型适用于漏电流能力较强的DPLD管；测试结果显示CRC和VCCS模型都具备较高的精度，模型误差分别是2.26%和4.04%。CRC模型揭示了影响列驱动芯片能量恢复效率的因素有3个，分别是：充电时间、沟道电阻、负载电容。2种模型分析的对比结果表明，沟道电阻对列驱动芯片的能量恢复效率影响很大，使用较小沟道电阻的DPLD管可以显著提高PDP列驱动芯片的能量恢复效率。CRC和VCCS模型可用于精确预测列驱动芯片的能量恢复效率。

Abstract

Two analytical models are proposed to analyze the energy recovery efficiency of PDP data driver IC. DPLD(double-channel p-type lateral extended drain MOS) transistor is the key device of energy recovery circuit of data driver IC. CRC(Capacitor Resistor and Capacitor) equivalent circuit model is suitable for DPLD transistor which has poor drain current capacity. VCCS(Voltage Controlled Current Source) model is suitable for DPLD transistor which has strong drain current capacity. The test results reveal that both CRC and VCCS models have high precision

the model errors are 2.26% and 4.04%. CRC model reveals that the energy recovery efficiency of data driver IC is influenced by three factors

which are the charge time

channel resistor and load capacitor. The compared results of two models show that channel resistor has great influence on energy recovery efficiency of data driver IC. The energy recovery efficiency of PDP data driver IC can be improved significantly by using DPLD transistor which has smaller channel resistor. The proposed CRC and VCCS models can be used to predict the energy recovery efficiency accurately.

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references

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