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Switched capacitor circuit having voltage management and method

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02M-003/18
출원번호 US-0238372 (1999-01-27)
발명자 / 주소
  • McIntyre William James
  • Kotowski Jeffrey P.
출원인 / 주소
  • National Semiconductor Corporation
대리인 / 주소
    Limbach & Limbach L.L.P.
인용정보 피인용 횟수 : 38  인용 특허 : 12

초록

A switched capacitor circuit, for use in voltage converters and the like, which includes a switched capacitor array, a plurality of MOS transistor switches and drive circuitry for controlling the state of the switches. The drive circuitry alternates between a first phase where at least one capacitor

대표청구항

[ What is claimed is:] [1.] A switched capacitor circuit comprising:a first capacitor having first and second terminals;a plurality of transistor switches connected to the first and second terminals of the first capacitor; anddrive circuitry for controlling a state of the transistor switches, with t

이 특허에 인용된 특허 (12)

  1. Timko Michael P. (Andover MA), A/D converter with charge-redistribution DAC and split summation of main and correcting DAC outputs.
  2. Brewer Robert J. (Lambourn GB2), Bipolar voltage doubler circuit.
  3. Nakamura Kenji,JPX, Color video signal processor including switched capacitor filter and drive pulse generator.
  4. Suzuki, Fuminori; Ichikawa, Singo, DC-to-DC Voltage converter.
  5. Collins Hansel (901 C Ridgefield Cir. Clinton MA 01510), High power switched capacitor voltage conversion and regulation apparatus.
  6. Bingham David (San Jose CA) Allen Charles M. (Sunnyvale CA), Integrated dual charge pump power supply and RS-232 transmitter/receiver.
  7. Bingham David (San Jose CA) Allen Charles M. (Sunnyvale CA), Integrated dual charge pump power supply and RS-232 transmitter/receiver.
  8. Bingham David (San Jose CA) Allen Charles M. (Sunnyvale CA), Integrated dual charge pump power supply and RS-232 transmitter/receiver.
  9. Bingham David (San Jose CA) Allen Charles M. (Sunnyvale CA), Integrated dual charge pump power supply and RS-232 transmitter/receiver.
  10. Bingham David (San Jose CA) Allen Charles M. (Sunnyvale CA), Integrated dual charge pump power supply and RS-232-transmitter/receiver.
  11. Fuller Roger W. (Scotts Valley CA) Bingham David (San Jose CA), Integrated dual charge pump power supply including power down feature and rs-232 transmitter/receiver.
  12. Szepesi Thomas S. (Saratoga CA) Mallinson A. Martin (Kelowna CAX), Regulated charge pump DC/DC converter.

이 특허를 인용한 특허 (38)

  1. McIntyre,William J.; Ma,Mengzhe, Apparatus and method for switch connected as a diode in a charge pump.
  2. Athas, William C.; Greening, Thomas C., Balancing voltages between battery banks.
  3. Athas, William C.; Greening, Thomas C., Balancing voltages between battery banks.
  4. Chu, Kwan-Jen; Lin, Shui-Mu; Chen, Jien-Sheng; Huang, Tsung-Wei, Charge pump down circuit and method for the same.
  5. Cook, Thomas D.; Cunningham, Jeffrey C.; Ramanan, Karthik, Charge pump for use with a synchronous load.
  6. Lin,Meng Jyh, Charge-pump circuitry.
  7. Athas, William C.; Greening, Thomas C., Controlling power loss in a switched-capacitor power converter.
  8. Marsili, Stefano; Hoellinger, Werner; Maderbacher, Gerhard, Digital controller for switched capacitor DC-DC converter.
  9. Marsili, Stefano; Hoellinger, Werner; Maderbacher, Gerhard, Digital slope control for switched capacitor dc-dc converter.
  10. Rao,Arun; Parry,John Philip; McIntyre,William J.; Griesert,Nathanael, Fractional gain circuit with switched capacitors and smoothed gain transitions for buck voltage regulation.
  11. Liu, Hui; Mansheim, Timothy James; Ripley, David Steven, Frequency modulation based voltage controller configuration.
  12. Shiue, Lih-Ren; Sun, Abel; Chung, Hsing-Chen, High current pulse generator.
  13. Gorisse, Philippe; Khlat, Nadim, High efficiency DC-DC converter.
  14. Kang, Yong Cheol; Seok, Jul Ki; Gandomkar, Ali, High efficiency DC/DC converter with high conversion ratio.
  15. Athas, William C.; Ungar, P. Jeffrey, High-efficiency, switched-capacitor power conversion using a resonant clocking circuit to produce gate drive signals for switching capacitors.
  16. Voyer, Nicolas, Method and an apparatus for controlling the output voltage of a boost converter.
  17. Weaver,Lyle; Neder,Charles; Wong,Louis, Method and apparatus for measuring battery depletion in implantable medical devices.
  18. Abel, Christopher John, Method and system to reduce signal-dependent charge drawn from reference voltage in switched capacitor circuits.
  19. Erickson, John H.; McCormick, Robert L.; Tranchina, Benjamin A., Method for providing multiple voltage levels during pulse generation and implantable pulse generating employing the same.
  20. Varrichio,Anthony J.; Tranchina,Benjamin A., Method of efficiently performing fractional voltage conversion and system comprising efficient fractional voltage converter circuitry.
  21. Picha, Guy; Katz, Amir, Methods and systems for power amplifying of signals.
  22. Farnsworth, Timothy Luke, Power and management device and method.
  23. Yu Ho-Yuan, Power supply module in integrated circuits.
  24. Yu, Ho-Yuan, Power supply module in integrated circuits.
  25. Matsunaga, Yutaka; Suzuki, Hitoshi; Ishikawa, Goushi, Power tools.
  26. Matsunaga,Yutaka; Suzuki,Hitoshi; Ishikawa,Goushi, Power tools.
  27. Thandri, Bharath Kumar; Nguyen, Thuan L.; Allen, Daniel John; Zhang, Lingli; Satoskar, Aniruddha; Brennan, Aaron; Shen, Dan, Reducing kickback current to power supply during charge pump mode transitions.
  28. Chou, Catherine S.; Athas, William C.; Sullens, Heather R., Resonant oscillator with start up and shut down circuitry.
  29. Ben-Yaakov, Shmuel; Shashoua, Meir, Self-adjusting switched-capacitor converter with multiple target voltages and target voltage ratios.
  30. Okuda, Yuichi, Semiconductor integrated circuit, card comprising the same, and operating method of semiconductor integrated circuit.
  31. McIntyre, William J.; Kotowski, Jeffrey P., Switched capacitor array circuit for use in DC-DC converter and method.
  32. Teh, Chen Kong, Switched capacitor power supply circuit.
  33. Azrai,Firas; Yates,Michael; Nelms,David, Switched-capacitor power supply system and method.
  34. Tan, Kee Hian, Switching capacitor power supply.
  35. Conta, Matteo; Crespi, Lorenzo, System and method for capacitive DC-DC converter with variable input and output voltages.
  36. Azrai,Firas; Yates,Michael; Nelms,David, Trench capacitor power supply system and method.
  37. Erbito, Jr.,Rogelio L, Voltage converter.
  38. Trattler, Peter; Enenkel, Jan, Voltage converter.
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