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研究生:洪旌豪
研究生(外文):Ching-Hao Hung
論文名稱:利用高效率直流轉換及整流器之高壓電刺激器晶片
論文名稱(外文):A High Intensity PRF Stimulator Using DC-DC Boost Converter with High Efficiency Rectifier
指導教授:邱弘緯邱弘緯引用關係
指導教授(外文):Hung-Wei Chiu
口試委員:許晉瑋陳筱青黃育賢
口試委員(外文):JIN-WEI SHIHsiao-Chin ChenYuh-Shyan Huang
口試日期:2012-07-17
學位類別:碩士
校院名稱:國立臺北科技大學
系所名稱:電腦與通訊研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2012
畢業學年度:100
語文別:中文
論文頁數:99
中文關鍵詞:電場耦合電刺激整流升壓脈衝式射頻
外文關鍵詞:Wireless CouplingStimulatorRectifyBoostPRF
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近年生醫產業及研發蓬勃發展,其中引人注目的電刺激治療器可以突破傳統醫學上只有吃藥打針治病的治療方法,它是結合了生物醫學及電子工程科學而衍生出新的醫療裝置。本論文研究之電刺激治療器,為了實現植入式電療方法,本論文晶片係利用諧振與線圈的電磁耦合原理,以無線方式傳遞能量,將耦合到的能量轉換並提供晶片整體使用,再進一步將能量升壓輸出,旨在實現一個可應用於植入式生醫裝置之無線電源管理電路,以及產生一個可應用於電刺激治療的PRF脈衝式射頻電刺激控制訊號。
本晶片可分為類比以及數位兩部分:類比電路分別為主動開關式整流電路以及切換式升壓直流轉換器電路,其中切換式升壓直流轉換器包含誤差放大器、比較器、三角波產生電路、精簡型三角波產生電路、脈波寬度調變電路、驅動電路。而數位部分則是PRF電刺激控制訊號產生電路。此晶片利用TSMC 2P4M 0.35um CMOS製程實現,其中主動開關式整流電路輸出3.3V,效率可達90.8%。升壓直流轉換器可輸出10V,效率可達92.5%。數位訊號可輸出一個刺激脈波頻率為500KHz,其刺激脈波週期為2Hz,刺激時間為20ms,刺激強度為3.3V的PRF刺激控制訊號。總晶片面積為2.38mm*2.3mm,整體效率為65%。


In the view point of the increasing aging population, biomedical and biological researches are vigorously growing in the recent year in Taiwan. The eye-catching electronic stimulator can break through the traditional medical treatments, which always uses injection and medicine. The electronic stimulator combined the biological science with the electronic engineering science to develop brand-new medical applications. In order to implement for implanted electrotherapy device, this thesis utilizing the coupling coils to realize the wireless energy transmission. The proposed chip can be self-sufficiency by rectifying the coupling energy and boosting the DC voltage to a high output level. The purpose of this chip is to realize a wireless power management circuits and a PRF (Pulsed Radio Frequency) control signal generator used in stimulator for implanted biomedical devices.
This chip can divide into analog and digital circuit blocks. Analog circuits include the active switching rectifier and switching DC-DC boost converter. The boost converter is consisted of an error amplifier, a comparator, a ramp generator, a PWM generator and driver. The PRF generator is also realized in the digital circuit. This chip was fabricated TSMC 2P4M 0.35 um Mixed-Signal CMOS process. The rectifier can export 3.3V and it power efficiency achieves 90.8%. The DC-DC boost converter outputs 10V supply with high efficiency 92.5%. The PRF circuit can deliver a pulsed waveform with a 500 KHz carrier frequency, 2Hz period and 20ms stimulation duration at an intensity of 3.3V. The whole chip size is 2.38mm*2.3mm and the whole power conversion efficiency is 65%.


目 錄

中文摘要……………………………………………………………………………….i
英文摘要……………………………………………………………………………….ii
誌謝………………………………………………………………………………...…..iv
目錄……………………………………………………………………….………...….v
表目錄……………………………………………………………………………...…..vii
圖目錄…………………………………………………………………………………viii
目 錄
第一章 緒論 1
1.1 研究動機 1
1.2 研究背景 2
1.3 論文架構 3
第二章 晶片內部電路基本原理 4
2.1 電感耦合式無線傳電系統 4
2.2 整合式主動橋式整流器 5
2.2.1 整流電路架構介紹 5
2.2.2 CMOS橋式整流電路 7
2.2.3 CMOS主動開關式整流電路 11
2.3 切換式升壓直流轉換器 13
2.3.1 線性穩壓器 14
2.3.2 切換式直流轉換器常見架構 16
2.3.3 切換式直流轉換器控制模式 28
2.3.4 切換式直流轉換器調變模式 31
2.3.5 切換式直流轉換器規格 36
2.4 PRF電刺激 40
2.4.1 PRF探討 40
2.4.2 PRF介紹 41
第三章 晶片設計 43
3.1 無線電刺激晶片 43
3.2 主動開關式整流電路 44
3.3 比較器 48
3.4 三角波產生器 50
3.5 驅動電路 52
3.6 誤差放大器 53
3.7 PRF核心數位電路 55
3.8 時脈回復電路 58
3.9 POR重置電路 61
3.10 電路模擬 62
3.10.1 外接電晶體 63
3.10.2 主動開關式整流電路 64
3.10.3 切換式升壓直流轉換器 65
第四章 晶片模擬與量測 73
4.1 晶片佈局 73
4.2 量測結果 74
第五章 電路整合與改良 86
5.1 類比數位電路整合 86
5.1.1 精簡型三角波產生器 87
5.2 Fully-NMOS 主動開關式整流電路 91
第六章 結論與未來展望 94
6.1 結論 94
6.2 未來展望 94
參考文獻 96



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