TW200945751A - Charge pump - Google Patents

Charge pump Download PDF

Info

Publication number
TW200945751A
TW200945751A TW097114008A TW97114008A TW200945751A TW 200945751 A TW200945751 A TW 200945751A TW 097114008 A TW097114008 A TW 097114008A TW 97114008 A TW97114008 A TW 97114008A TW 200945751 A TW200945751 A TW 200945751A
Authority
TW
Taiwan
Prior art keywords
switch
pump
charge pump
capacitor
buffer
Prior art date
Application number
TW097114008A
Other languages
English (en)
Chinese (zh)
Other versions
TWI360939B (enExample
Inventor
Zheng-Zhong Ye
han-zhao Chen
Original Assignee
Sitronix Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sitronix Technology Corp filed Critical Sitronix Technology Corp
Priority to TW097114008A priority Critical patent/TW200945751A/zh
Priority to US12/178,000 priority patent/US7821326B2/en
Publication of TW200945751A publication Critical patent/TW200945751A/zh
Application granted granted Critical
Publication of TWI360939B publication Critical patent/TWI360939B/zh

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/06—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/06—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
    • H02M3/073—Charge pumps of the Schenkel-type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
TW097114008A 2008-04-17 2008-04-17 Charge pump TW200945751A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW097114008A TW200945751A (en) 2008-04-17 2008-04-17 Charge pump
US12/178,000 US7821326B2 (en) 2008-04-17 2008-07-23 Charge pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW097114008A TW200945751A (en) 2008-04-17 2008-04-17 Charge pump

Publications (2)

Publication Number Publication Date
TW200945751A true TW200945751A (en) 2009-11-01
TWI360939B TWI360939B (enExample) 2012-03-21

Family

ID=41200635

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097114008A TW200945751A (en) 2008-04-17 2008-04-17 Charge pump

Country Status (2)

Country Link
US (1) US7821326B2 (enExample)
TW (1) TW200945751A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI641209B (zh) * 2017-06-26 2018-11-11 黃森隆 隔離式浮動電源轉換系統及其方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7847621B2 (en) * 2007-11-13 2010-12-07 Rohm Co., Ltd. Control circuit and control method for charge pump circuit
KR101773196B1 (ko) * 2010-12-29 2017-09-12 엘지디스플레이 주식회사 액정표시장치의 직류-직류 변환기
CN103872900A (zh) * 2012-12-11 2014-06-18 中芯国际集成电路制造(上海)有限公司 一种提高电荷泵效率的方法
US10141941B2 (en) * 2016-12-30 2018-11-27 Huawei Technologies Co., Ltd. Differential PLL with charge pump chopping
US10033271B1 (en) 2016-12-30 2018-07-24 Texas Instruments Incorporated Multi-stage charge pump
US10404164B1 (en) * 2018-10-10 2019-09-03 Smart Prong Technologies, Inc. Floating charge pump
US11594959B1 (en) * 2021-10-29 2023-02-28 Texas Instruments Incorporated Switched capacitor circuit with passive charge recycling

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5364801A (en) * 1990-12-17 1994-11-15 Texas Instruments Incorporated Method of forming a charge pump circuit
JP3475162B2 (ja) * 2000-09-08 2003-12-08 三洋電機株式会社 チャージポンプ回路
US6501325B1 (en) * 2001-01-18 2002-12-31 Cypress Semiconductor Corp. Low voltage supply higher efficiency cross-coupled high voltage charge pumps
US7030683B2 (en) * 2004-05-10 2006-04-18 Sandisk Corporation Four phase charge pump operable without phase overlap with improved efficiency
JP2007221890A (ja) * 2006-02-15 2007-08-30 Renesas Technology Corp 半導体集積回路
JP4849907B2 (ja) * 2006-02-22 2012-01-11 セイコーインスツル株式会社 チャージポンプ回路
US8310218B2 (en) * 2007-08-08 2012-11-13 Advanced Analogic Technologies, Inc. Time-multiplexed-capacitor DC/DC converter with multiple outputs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI641209B (zh) * 2017-06-26 2018-11-11 黃森隆 隔離式浮動電源轉換系統及其方法

Also Published As

Publication number Publication date
US20090261891A1 (en) 2009-10-22
TWI360939B (enExample) 2012-03-21
US7821326B2 (en) 2010-10-26

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees