Development of On-Chip Switching Power Supply Using Soft-Switchin Amplifier

• Project/Area Number: 19560402
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Communication/Network engineering
• Research Institution: Fukuoka University
• Principal Investigator: SUETSUGU Tadashi Fukuoka University, 工学部, 准教授 (60279255)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
• Keywords: 電子回路網 / 移動体通信 / マイクロマシン / MEMS / E級増幅器 / スイッチング電源 / 非線形キャパシタ

Research Abstract

オンチップのソフトスイッチング型DC-DCコンバータの試作を目指して、DE級増幅器を用いた同期整流型DC-DCコンバータをスイッチング周波数500MHzで設計し、1.2umCM0Sルール上でレイアウト設計した。更にオンチップインダクタの損失削減を目的としてMEMSによるインダクタレイアウトを作成し、MEMSインダクタを試作した。E級増幅器の動作について解析を進めより高周波動作に向けた設計式の導出を進めた。

Research Products

• [Journal Article] Maximum Output Power of Class E Amplifier for a Given Transistor, Operating Frequency, and DC Supply Voltage (2009)
  • Author(s): Takeshi Yasukouchi, Tadashi Suetsugu
  • Journal Title: The 23rd International Technical Conference on Circuits/Systems, Computers and Communications Pages: 981-984
  • Peer Reviewed
• [Journal Article] Maximum Operating Frequency of Class E Amplifier at Any Duty Ratio (2008)
  • Author(s): Tadashi Suetsugu, Marian Kazimierczuk
  • Journal Title: IEEE Transactions on Circuits and Systems, part II Vol.55, No.8 Pages: 768-770
  • NAID: 110009782952
  • Peer Reviewed
• [Journal Article] ZVS Operating Frequency Versus Duty Ratio of Class E Amplifier with Nonlinear Shunt Capacitance (2008)
  • Author(s): Tadashi Suetsugu, Marian Kazimierczuk
  • Journal Title: IEEE International Symposium on Circuits and Systems (ISCAS2008) Pages: 3258-3261
  • Peer Reviewed
• [Journal Article] Maximum Operating Frequency of Class E Amplifier at Any Duty Ratio (2008)
  • Author(s): Tadashi Suetsugu, Marian Kazimierczuk
  • Journal Title: IEEE Transactions on Circuits and Systems, part II Vol. 55, No. 8 Pages: 768-770
  • NAID: 110009782952
  • Peer Reviewed
• [Journal Article] Output Characteristics of Class E Amplifier with Nonlinear Shunt Capacitance Versus Supply Voltage (2007)
  • Author(s): Tadashi Suetsugu and Marian Kazimierczuk
  • Journal Title: Proceedings of IEEE International Symposium on Circuits and Systems(ISCAS2007) Pages: 541-544
  • NAID: 130004609127
  • Peer Reviewed
• [Journal Article] Off-Nominal Operation of Class E Amplilier at Any Duty Ratio (2007)
  • Author(s): Tadashi Suetsugu and Marian K.Kazimierczuk
  • Journal Title: IEEE Transactions on Circuits and Systems, part I Vo.54,no6 Pages: 1389-1397
  • Peer Reviewed
• [Journal Article] Analysis and Design of Class DE Amplifier with Nonlinear Shunt Capacitance (2007)
  • Author(s): Hiroo Sekiya, Takayuki Watanabe, Tadashi Suetsugu and Marian K Kazimierczuk
  • Journal Title: Proceedings of IEEE International Conference on Power Electronics and Drive Systems(PEDS) Pages: 937-942
  • Peer Reviewed
• [Presentation] E級増幅器の上限動作周波数の解析 (2008)
  • Author(s): 安河内健, 末次正
  • Organizer: 2008年度電子情報通信学会ソサイェティ大会
  • Place of Presentation: 明治大学
  • Year and Date: 2008-09-17
• [Presentation] E級増幅器の上限動作周波数の解析 (2008)
  • Author(s): 安河内健, 末次正
  • Organizer: 2008年度電子情報通信学会ソサイエティ大会
  • Place of Presentation: 明治大学
  • Year and Date: 2008-03-17
• [Presentation] シャントキャパシタの非線形性を考慮した場合のE級増幅器の入出力特性 (2007)
  • Author(s): 末次 正, Marian Kazimierczuk
  • Organizer: 電気関係学会九州支部連合会大会講演論文集
  • Place of Presentation: 琉球大学
  • Year and Date: 2007-09-19