TW200726045A - A Charge pump circuit, an LCD driving IC, an electronic device - Google Patents

A Charge pump circuit, an LCD driving IC, an electronic device

Info

Publication number
TW200726045A
TW200726045A TW095145039A TW95145039A TW200726045A TW 200726045 A TW200726045 A TW 200726045A TW 095145039 A TW095145039 A TW 095145039A TW 95145039 A TW95145039 A TW 95145039A TW 200726045 A TW200726045 A TW 200726045A
Authority
TW
Taiwan
Prior art keywords
conducting
pump circuit
charge pump
electronic device
positive
Prior art date
Application number
TW095145039A
Other languages
English (en)
Inventor
Koji Saikusa
Yasunori Kawamura
Original Assignee
Rohm Co Ltd
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
Priority claimed from JP2005354689A external-priority patent/JP4974520B2/ja
Priority claimed from JP2005354695A external-priority patent/JP2007159352A/ja
Priority claimed from JP2005354708A external-priority patent/JP4994652B2/ja
Application filed by Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of TW200726045A publication Critical patent/TW200726045A/zh

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0044Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/06Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07Conversion 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3696Generation of voltages supplied to electrode drivers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/0083Converters characterised by their input or output configuration
    • H02M1/009Converters characterised by their input or output configuration having two or more independently controlled outputs
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/06Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07Conversion 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
    • H02M3/072Conversion 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 adapted to generate an output voltage whose value is lower than the input voltage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dc-Dc Converters (AREA)
TW095145039A 2005-12-08 2006-12-04 A Charge pump circuit, an LCD driving IC, an electronic device TW200726045A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005354689A JP4974520B2 (ja) 2005-12-08 2005-12-08 チャージポンプ回路、lcdドライバic、電子機器
JP2005354695A JP2007159352A (ja) 2005-12-08 2005-12-08 チャージポンプ回路、lcdドライバic、電子機器
JP2005354708A JP4994652B2 (ja) 2005-12-08 2005-12-08 チャージポンプ回路、lcdドライバic、電子機器

Publications (1)

Publication Number Publication Date
TW200726045A true TW200726045A (en) 2007-07-01

Family

ID=38122733

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095145039A TW200726045A (en) 2005-12-08 2006-12-04 A Charge pump circuit, an LCD driving IC, an electronic device

Country Status (4)

Country Link
US (1) US7884665B2 (zh)
KR (1) KR20080036607A (zh)
TW (1) TW200726045A (zh)
WO (1) WO2007066587A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI406502B (zh) * 2010-12-14 2013-08-21 Au Optronics Corp 具有自動線性溫度調整功能之閘極驅動電路
TWI722086B (zh) * 2016-01-06 2021-03-21 美商半導體組件工業公司 搭配一遠端電路使用之設備及用於提供一輸出時脈之方法

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KR100909964B1 (ko) * 2007-05-14 2009-07-29 삼성전자주식회사 래치업을 방지하는 전압 발생기
US9362818B2 (en) * 2010-02-19 2016-06-07 Rf Micro Devices, Inc. High efficiency DC-DC converter
JP2012038818A (ja) * 2010-08-04 2012-02-23 Toshiba Corp 半導体装置
EP2424093B1 (en) * 2010-08-26 2014-06-11 ST-Ericsson SA Dual output charge pump generating two voltage values with two distinctive levels and control method thereof
JP5087670B2 (ja) 2010-11-01 2012-12-05 株式会社東芝 電圧発生回路
KR101773196B1 (ko) * 2010-12-29 2017-09-12 엘지디스플레이 주식회사 액정표시장치의 직류-직류 변환기
KR101745418B1 (ko) 2010-12-30 2017-06-12 엘지디스플레이 주식회사 전원 공급부 및 이를 포함하는 액정표시장치
US8436676B2 (en) * 2011-02-07 2013-05-07 Texas Instruments Incorporated Charge pump
KR20130086847A (ko) * 2012-01-26 2013-08-05 삼성전자주식회사 음의 전력을 이용하여 리키지 전력 소모를 줄이는 저전력 회로
EP2840694A1 (en) * 2013-08-20 2015-02-25 St Microelectronics S.A. Multiple level charge pump generating four voltages with four distinctive levels, and method for the same
KR102547951B1 (ko) * 2016-09-20 2023-06-26 삼성전자주식회사 재구성 가능한 양극성 출력 차지 펌프 회로 및 이를 포함하는 집적 회로
CN108540135B (zh) * 2018-04-24 2020-05-05 京东方科技集团股份有限公司 一种数模转换器及转换电路
US10541606B1 (en) * 2018-07-16 2020-01-21 Taiwan Semiconductor Manufacturing Company, Ltd. Serial-parallel switch negative charge pump
US11387789B2 (en) 2019-06-05 2022-07-12 Qorvo Us, Inc. Charge pump tracker circuitry
KR102168634B1 (ko) * 2019-12-03 2020-10-21 삼성전자주식회사 음의 전력을 이용하여 리키지 전력 소모를 줄이는 저전력 회로
US11563373B2 (en) * 2020-11-19 2023-01-24 Stmicroelectronics International N.V. Circuit and method for controlled discharge of a high (positive or negative) voltage charge pump

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US4636930A (en) * 1985-10-01 1987-01-13 Maxim Integrated Products, Inc. Integrated dual charge pump power supply and RS-232 transmitter/receiver
US4797899A (en) * 1986-12-15 1989-01-10 Maxim Integrated Products, Inc. Integrated dual charge pump power supply including power down feature and rs-232 transmitter/receiver
US4812961A (en) * 1987-05-15 1989-03-14 Linear Technology, Inc. Charge pump circuitry having low saturation voltage and current-limited switch
US5237209A (en) * 1992-03-02 1993-08-17 Analog Devices, Inc. Bipolar voltage doubler circuit
US5306954A (en) * 1992-06-04 1994-04-26 Sipex Corporation Charge pump with symmetrical +V and -V outputs
US5262934A (en) * 1992-06-23 1993-11-16 Analogic Corporation Bipolar voltage doubler circuit
JPH0828965B2 (ja) 1992-09-02 1996-03-21 日本電気株式会社 電圧変換回路
JPH06216323A (ja) 1993-01-20 1994-08-05 Sony Corp 半導体集積回路装置
JP3292417B2 (ja) 1994-02-15 2002-06-17 三菱電機株式会社 半導体装置
JPH07322606A (ja) 1994-05-27 1995-12-08 Sony Corp 昇圧回路及びこれを用いた固体撮像装置
US5606491A (en) * 1995-06-05 1997-02-25 Analog Devices, Inc. Multiplying and inverting charge pump
US5859625A (en) * 1997-01-13 1999-01-12 Motorola, Inc. Display driver having a low power mode
JP3554497B2 (ja) 1998-12-08 2004-08-18 シャープ株式会社 チャージポンプ回路
JP2002291233A (ja) 2001-03-29 2002-10-04 Nec Microsystems Ltd Lcd駆動回路
US6853566B2 (en) 2002-04-18 2005-02-08 Ricoh Company, Ltd. Charge pump circuit and power supply circuit
JP3870122B2 (ja) 2002-05-27 2007-01-17 株式会社リコー 電源供給回路
JP4059077B2 (ja) 2002-12-26 2008-03-12 ソニー株式会社 チャージポンプ及びそれを用いたpll回路
KR100524985B1 (ko) * 2003-08-26 2005-10-31 삼성전자주식회사 효율이 높은 부스팅 회로, 이를 구비하여 부하량에 따라자동적으로 부스팅을 결정하는 부스팅 파워 장치 및 그파워 부스팅 제어 방법
US7099166B2 (en) * 2003-08-26 2006-08-29 Samsung Electronics Co., Ltd. Voltage boosting circuit and method
JP2005312169A (ja) 2004-04-21 2005-11-04 Rohm Co Ltd 電圧反転型チャージポンプ回路
TWI293828B (en) * 2005-04-28 2008-02-21 Novatek Microelectronics Corp Charge pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI406502B (zh) * 2010-12-14 2013-08-21 Au Optronics Corp 具有自動線性溫度調整功能之閘極驅動電路
TWI722086B (zh) * 2016-01-06 2021-03-21 美商半導體組件工業公司 搭配一遠端電路使用之設備及用於提供一輸出時脈之方法

Also Published As

Publication number Publication date
WO2007066587A1 (ja) 2007-06-14
US20100176872A1 (en) 2010-07-15
KR20080036607A (ko) 2008-04-28
US7884665B2 (en) 2011-02-08

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