A LCD supplied by high integrated dual-side dual-output switched-capacitor regulator with only two flying capacitors

Chun Jen Shih, Yu Huei Lee, Yang Ching Lin, Ming Yan Fan, Ke Horng Chen, Sheng Fa Liu, Pao Hsien Chiu, Sandy Chen, Chun Yu Shen, Ming Ta Hsieh, Huai An Li, Yean Kuo Luo, Wei Chou Hsu

研究成果: Conference contribution

1 引文 斯高帕斯(Scopus)

摘要

This paper presents a high integrated dual-side dual-output (DSDO) switched-capacitor (SC) regulator with only two flying capacitors. Generally, a dual-phase voltage doubler and an inverter are used to supply positive and negative voltage for TFT-LCD gate drivers, respectively. Four flying capacitors, eight pin-outs, and sixteen power switches are necessary for their operations in the driver integrated chip (IC). The proposed DSDO SC regulator combines both dual-phase voltage doubler and inverter converter into one channel through the use of time multiplexing technique at the cost of little performance degradation. As a result, it not only diminishes the number of flying capacitor from four to two but also removes four IC pin-outs for low cost and compact size. Beside, sixteen necessary power switches are reduced to twelve for decreasing about 27% silicon area.

原文English
主出版物標題49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011
頁面1304-1307
頁數4
出版狀態Published - 2011
事件49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011 - Los Angeles, CA, United States
持續時間: 2011 五月 152011 五月 20

出版系列

名字49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011
3

Other

Other49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011
國家United States
城市Los Angeles, CA
期間11-05-1511-05-20

All Science Journal Classification (ASJC) codes

  • Hardware and Architecture

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