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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW200945751A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
US10033271B1 (en) 2016-12-30 2018-07-24 Texas Instruments Incorporated Multi-stage charge pump
US10141941B2 (en) * 2016-12-30 2018-11-27 Huawei Technologies Co., Ltd. Differential PLL with charge pump chopping
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
US7821326B2 (en) 2010-10-26
TWI360939B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2012-03-21
US20090261891A1 (en) 2009-10-22

Similar Documents

Publication Publication Date Title
TW200945751A (en) Charge pump
US20090273955A1 (en) Optimum structure for charge pump circuit with bipolar output
CN111869038B (zh) 电子设备的充电电路及方法、设备、存储介质
WO2018192303A1 (zh) 升压控制电路、其驱动方法及显示装置
US9652013B2 (en) Piezo driver having passive energy storage component recharging capability
CN1941577A (zh) 升压电路
US20100277146A1 (en) Computer power supply and standby voltage discharge circuit thereof
US20120038412A1 (en) Switch device
CN101567685B (zh) 电荷帮浦
US8742829B2 (en) Low leakage digital buffer using bootstrap inter-stage
CN218006137U (zh) 激光扫描电机驱动电路及激光雷达扫描系统
JP2006014542A (ja) 電源回路
CN103683380B (zh) 具有再充电能力的压电驱动器
CN117083803B (zh) 驱动电路
US20110317456A1 (en) Optimum structure for charge pump circuit with bipolar output
CN211609380U (zh) 一种具有开关电路的食品加工机
CN100498440C (zh) 电源切换电路和采用该电源切换电路的液晶显示装置
TW201114168A (en) Oscillator
US8947019B2 (en) Handheld device and power supply circuit thereof
CN100585995C (zh) 电荷泵电路
US20200366303A1 (en) Circuit having analog-to-digital conversion function and electronic device
CN215498730U (zh) 一种dc电源无源倍压电路
CN111245221B (zh) 一种双倍电荷泵
CN219759687U (zh) 锂电池唤醒电路
TW541778B (en) Power supply control device for electronic device equipped with multiple batteries