TW200701612A - Output device and electronic device provided with the same - Google Patents

Output device and electronic device provided with the same

Info

Publication number
TW200701612A
TW200701612A TW095114385A TW95114385A TW200701612A TW 200701612 A TW200701612 A TW 200701612A TW 095114385 A TW095114385 A TW 095114385A TW 95114385 A TW95114385 A TW 95114385A TW 200701612 A TW200701612 A TW 200701612A
Authority
TW
Taiwan
Prior art keywords
transistor
terminal
switching control
same
ctrl
Prior art date
Application number
TW095114385A
Other languages
English (en)
Inventor
Masaki Omi
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
Application filed by Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of TW200701612A publication Critical patent/TW200701612A/zh

Links

Classifications

    • 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
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • 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
    • H02M1/36Means for starting or stopping converters
    • 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
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1588Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load comprising at least one synchronous rectifier element
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/37Converter circuits
    • H05B45/3725Switched mode power supply [SMPS]
    • H05B45/38Switched mode power supply [SMPS] using boost topology
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
TW095114385A 2005-04-21 2006-04-21 Output device and electronic device provided with the same TW200701612A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005123435A JP4657789B2 (ja) 2005-04-21 2005-04-21 昇圧型スイッチング電源装置及びこれを備えた電子機器

Publications (1)

Publication Number Publication Date
TW200701612A true TW200701612A (en) 2007-01-01

Family

ID=37214795

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095114385A TW200701612A (en) 2005-04-21 2006-04-21 Output device and electronic device provided with the same

Country Status (6)

Country Link
US (1) US7750609B2 (zh)
JP (1) JP4657789B2 (zh)
KR (1) KR20070121652A (zh)
CN (1) CN100525034C (zh)
TW (1) TW200701612A (zh)
WO (1) WO2006115178A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI750170B (zh) * 2017-05-17 2021-12-21 力智電子股份有限公司 直流對直流控制器、直流對直流電源轉換器及其控制方法

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5133579B2 (ja) 2007-02-28 2013-01-30 ローム株式会社 昇圧型スイッチング電源装置及びこれを備えた電子機器
JP5167733B2 (ja) * 2007-09-06 2013-03-21 株式会社リコー 昇圧型dc/dcコンバータ
US8362748B2 (en) 2007-09-12 2013-01-29 Rohm Co., Ltd. Voltage comparison circuit
JP5443749B2 (ja) * 2007-12-26 2014-03-19 ローム株式会社 昇圧型スイッチングレギュレータおよびその制御回路
US20100001703A1 (en) * 2008-07-07 2010-01-07 Advanced Analogic Technologies, Inc. Programmable Step-Up Switching Voltage Regulators with Adaptive Power MOSFETs
JP5152761B2 (ja) * 2008-09-08 2013-02-27 トレックス・セミコンダクター株式会社 昇圧形スイッチング電源回路
JP5380057B2 (ja) * 2008-11-28 2014-01-08 ローム株式会社 昇圧型スイッチング電源装置
JP5511225B2 (ja) 2009-06-03 2014-06-04 ローム株式会社 昇圧型スイッチング電源装置
WO2011097175A2 (en) * 2010-02-05 2011-08-11 Luxera, Inc. Integrated electronic device for controlling light emitting diodes
JP5595126B2 (ja) * 2010-06-03 2014-09-24 ローム株式会社 Led駆動装置およびこれを備えた電子機器
JP5576744B2 (ja) * 2010-08-26 2014-08-20 パナソニック株式会社 点灯装置及びそれを用いた照明装置、照明システム、並びに照明器具
JP5636826B2 (ja) * 2010-08-31 2014-12-10 株式会社リコー スイッチングレギュレータ
EP2716065A1 (en) * 2011-05-30 2014-04-09 Sony Mobile Communications AB Reducing a disturbance on a signal path of a semiconductor switch
JP5753483B2 (ja) * 2011-12-01 2015-07-22 株式会社東芝 半導体集積回路、および、dc−dcコンバータ
US8884867B2 (en) * 2011-12-05 2014-11-11 Apple Inc. Efficient backlight short circuit protection
TWI477788B (zh) * 2012-04-10 2015-03-21 Realtek Semiconductor Corp 偵測發光二極體短路的方法及其裝置
US10621942B2 (en) * 2012-06-06 2020-04-14 Texas Instruments Incorporated Output short circuit protection for display bias
CN102761258B (zh) * 2012-07-25 2018-02-02 圣邦微电子(北京)股份有限公司 升压电路及其控制方法
US8729816B1 (en) * 2012-12-13 2014-05-20 Semiconductor Components Industries, Llc Charge-pump controller
KR102071004B1 (ko) * 2013-09-03 2020-01-30 삼성디스플레이 주식회사 Dc-dc 컨버터 및 이를 포함하는 유기전계발광 표시장치
JP2016001822A (ja) * 2014-06-12 2016-01-07 富士電機株式会社 負荷駆動回路
JP6301756B2 (ja) 2014-06-30 2018-03-28 ローム株式会社 過電流検出回路およびそれを利用したホスト、過電流検出方法
WO2016013451A1 (ja) * 2014-07-22 2016-01-28 ローム株式会社 充電回路およびそれを利用した電子機器、充電器
JP6440986B2 (ja) 2014-08-01 2018-12-19 ローム株式会社 給電装置およびそのコントローラ、制御方法、それを用いた電子機器
JP6416580B2 (ja) 2014-10-24 2018-10-31 ローム株式会社 Usb給電装置、それを用いた電子機器
JP6382065B2 (ja) 2014-10-24 2018-08-29 ローム株式会社 Usb給電装置、それを用いた電子機器、usb給電装置の制御方法
WO2016121434A1 (ja) 2015-01-26 2016-08-04 ローム株式会社 給電装置およびその制御回路、受電装置およびその制御回路、それを用いた電子機器および充電アダプタ、異常検出方法
US10050620B2 (en) * 2015-02-27 2018-08-14 Renesas Electronics America Inc. Cascode connected SiC-JFET with SiC-SBD and enhancement device
JP6604863B2 (ja) 2016-02-05 2019-11-13 ローム株式会社 受電装置およびそのコントローラ、それを用いた電子機器、給電システムの制御方法
JP6626384B2 (ja) 2016-03-23 2019-12-25 ローム株式会社 給電装置および給電方法、制御回路、acアダプタ、電子機器
JP6838879B2 (ja) * 2016-07-13 2021-03-03 ローム株式会社 受電装置およびその制御回路、電子機器、給電システムの動作方法
US10355590B2 (en) * 2017-06-26 2019-07-16 Qualcomm Incorporated Boost converter with pre-charge current
WO2020196173A1 (ja) 2019-03-22 2020-10-01 ローム株式会社 半導体集積回路
CN213340959U (zh) * 2020-08-13 2021-06-01 深圳市大疆创新科技有限公司 第一、第二电子设备、可移动平台和用于可移动平台的负载设备
KR20220134293A (ko) * 2021-03-26 2022-10-05 삼성전자주식회사 부스트 회로를 포함하는 전자 장치 및 그 전자 장치의 제어 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07227083A (ja) * 1994-02-08 1995-08-22 Hitachi Ltd 短絡保護回路
JP2800735B2 (ja) 1994-10-31 1998-09-21 日本電気株式会社 半導体装置
JP3693464B2 (ja) * 1997-05-22 2005-09-07 ローム株式会社 表示パネルの駆動装置
JP3505380B2 (ja) 1998-02-17 2004-03-08 新日本製鐵株式会社 整流回路
JP4380846B2 (ja) 1999-07-29 2009-12-09 株式会社ルネサステクノロジ 昇圧装置
JP3977144B2 (ja) * 2002-05-27 2007-09-19 ローム株式会社 電源回路およびこの電源回路を有する携帯用電子機器
JP2004120901A (ja) * 2002-09-26 2004-04-15 Fujitsu Ten Ltd 昇圧電源装置
JP3953443B2 (ja) * 2003-07-08 2007-08-08 ローム株式会社 昇降圧dc−dcコンバータ及びこれを用いたポータブル機器
JP2006158067A (ja) * 2004-11-29 2006-06-15 Renesas Technology Corp 電源ドライバ回路
JP4573697B2 (ja) * 2005-05-09 2010-11-04 ローム株式会社 スイッチングレギュレータ及びこれを備えた電子機器
JP2008079360A (ja) * 2006-09-19 2008-04-03 Renesas Technology Corp 昇圧コンバータ及び半導体集積回路
JP5133579B2 (ja) * 2007-02-28 2013-01-30 ローム株式会社 昇圧型スイッチング電源装置及びこれを備えた電子機器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI750170B (zh) * 2017-05-17 2021-12-21 力智電子股份有限公司 直流對直流控制器、直流對直流電源轉換器及其控制方法

Also Published As

Publication number Publication date
CN100525034C (zh) 2009-08-05
US7750609B2 (en) 2010-07-06
CN101133544A (zh) 2008-02-27
US20090251118A1 (en) 2009-10-08
KR20070121652A (ko) 2007-12-27
JP2006304500A (ja) 2006-11-02
WO2006115178A1 (ja) 2006-11-02
JP4657789B2 (ja) 2011-03-23

Similar Documents

Publication Publication Date Title
TW200701612A (en) Output device and electronic device provided with the same
US7710049B2 (en) Driver and method for driving LEDS on multiple branch circuits
WO2006053339A3 (en) High efficiency dc-to-dc synchronous buck converter
CN101106326B (zh) Dc-dc转换器
KR100912414B1 (ko) 승압/강압 dc-dc 컨버터
TW200705789A (en) Step-up switching regulator and its control circuit and electronic apparatus employing it
CN101218734A (zh) 升压型、降压型开关调节器及其控制电路、使用了它的电子设备
EP2083497A3 (en) Electronic control system and power supply unit of the system
EP1852960A3 (en) Buck-boost control logic for PWM regulator
US20090206772A1 (en) Dc-dc converter and method for minimizing battery peak pulse loading
CN1881760B (zh) 用来提供电源的设备
TW200603525A (en) Boost converter
US9369033B2 (en) Low power switched mode power supply
TW200608685A (en) Power supply controller method and structure
TW200729124A (en) Solid state lighting panels with variable voltage boost current sources
WO2007053599A3 (en) Methods and apparatus for dc-dc converter having independent outputs
TW200731048A (en) Single feedback input for regulation at both positive and negative voltage levels
CN105580262A (zh) 具有单个控制回路的多输出升压调节器
WO2006076642A3 (en) Method for starting a voltage-mode switching power supply into a biased load
TW200609716A (en) Power-on reset circuit
EP1780660A3 (en) Semiconductor integrated circuit and contactless electronic device using the same
TW200617634A (en) DC/DC converter
WO2007051175A3 (en) Power supply for 2-line dimmer
ATE469459T1 (de) Leistungsfaktor-korrektur-boost-schaltung
TW200733525A (en) Semiconductor device with charge pump booster circuit