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研究生： 張偉勛
Chang, Wei-Hsun
論文名稱： 積體化非連續電流控制之切換式降壓轉換器
An Integrated DCM Buck Converter with Peak-current mode Control
指導教授： 蔡建泓
Tsai, Chien-Hung
學位類別： 碩士
Master
系所名稱： 電機資訊學院 - 電機工程學系
Department of Electrical Engineering
論文出版年： 2009
畢業學年度： 97
語文別： 中文
論文頁數： 65
中文關鍵詞： 降壓轉換器 、電流模式
外文關鍵詞： current mode, buck converter
相關次數： 點閱：54  下載：6 
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    • 本論文提出一個積體化非連續電流控制的降壓轉換器，並建立一個系統性的流程，包括系統層次、電路層次與電晶體層次，分別使用Mathcad、SIMPLIS 與HSPICE進行模擬。此轉換器使用TSMC 0.35um CMOS 製程進行設計，其晶片面積1.423 x0.812 mm2.。實驗結果可以在輸入切換頻率500kHz 與輸入電壓2.7~4.2V 下正常操作，其非常適合鋰電池的應用。輸出電壓約1.8V、外接電感1uH 與外接電容100uF。

    An integrated DCM buck converter with peak-current mode control is presented in this thesis, and a systematic procedure including system level, circuit level and transistor level is introduced. Mathcad, SIMPLIS and HSPICE are used to simulated, respectively. The DC–DC converter is fabricated with a TSMC 0.35um CMOS technology and the chip area is 1.423 x 0.812 mm2. Experimental results show that this converter can operate 500kHz with supply voltage from 2.7 to 4.2 V, which is suitable for single-cell lithium-ion battery supply applications. The output voltage is about 1.8V with a 100uF off-chip capacitor and 1uH off-chip inductor.

    第一章續論 .............................................. 1 1.1 背景與動機........................................... 1 1.2 相關研究發展......................................... 4 1.3 論文架構簡介......................................... 7 第二章降壓轉換器基本原理................................. 8 2.1 降壓型轉換器穩態分析................................. 8 2.2 降壓型轉換器非連續導通模式動態分析與電流控制........ 16 第三章非連續電流控制降壓轉換器設計流程.................. 22 3.1 系統規格............................................ 22 3.2 補償器設計.......................................... 23 3.3 系統層次模擬：使用Mathcad........................... 26 3.4 電路層次模擬:使用SIMPLIS ........................... 28 第四章電路設計與模擬.................................... 31 4.1 電路架構............................................ 31 4.2 誤差放大器.......................................... 32 4.2 比較器.............................................. 34 4.3 時脈訊號與鋸齒波產生器.............................. 36 4.4 SR – Latch......................................... 37 4.5 CMOS 控制整流器..................................... 39 4.6 電流感測器.......................................... 42 4.7 振盪抑制電路........................................ 46 4.8 緩啟動電路.......................................... 47 4.9 模擬結果............................................ 48 第五章電路佈局、量測設置與量測結果...................... 53 5.1 佈局................................................ 53 5.2 量測設置............................................ 54 5.3 量測結果............................................ 55 第六章結論.............................................. 58 6.1 總結與貢獻.......................................... 58 6.2 未來研究方向........................................ 58 附錄An Integrated DCM Buck Converter with Peak-current mode Control ........................................... 61

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