CN100483907C - 电流方向检测电路以及具有该电路的开关调节器 - Google Patents

电流方向检测电路以及具有该电路的开关调节器 Download PDF

Info

Publication number
CN100483907C
CN100483907C CNB2005800053421A CN200580005342A CN100483907C CN 100483907 C CN100483907 C CN 100483907C CN B2005800053421 A CNB2005800053421 A CN B2005800053421A CN 200580005342 A CN200580005342 A CN 200580005342A CN 100483907 C CN100483907 C CN 100483907C
Authority
CN
China
Prior art keywords
transistor
output transistor
side output
voltage
control
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CNB2005800053421A
Other languages
English (en)
Chinese (zh)
Other versions
CN1922778A (zh
Inventor
北条喜之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm Co Ltd
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 CN1922778A publication Critical patent/CN1922778A/zh
Application granted granted Critical
Publication of CN100483907C publication Critical patent/CN100483907C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • H02M3/10—Conversion 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
    • H02M3/145—Conversion 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
    • H02M3/155—Conversion 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
    • H02M3/156—Conversion 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
    • H02M3/158—Conversion 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
    • 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
    • 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
    • H02M3/10—Conversion 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
    • H02M3/145—Conversion 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
    • H02M3/155—Conversion 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
    • H02M3/156—Conversion 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
    • 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
    • H02M3/10—Conversion 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
    • H02M3/145—Conversion 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
    • H02M3/155—Conversion 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
    • H02M3/156—Conversion 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
    • H02M3/158—Conversion 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
    • H02M3/1588—Conversion 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
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0009—Devices or circuits for detecting current in a converter
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies 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)
  • Measurement Of Current Or Voltage (AREA)
  • Inverter Devices (AREA)
CNB2005800053421A 2004-02-19 2005-02-15 电流方向检测电路以及具有该电路的开关调节器 Expired - Fee Related CN100483907C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004042277A JP3916163B2 (ja) 2004-02-19 2004-02-19 電流方向検出回路及びそれを備えたスイッチングレギュレータ
JP042277/2004 2004-02-19

Publications (2)

Publication Number Publication Date
CN1922778A CN1922778A (zh) 2007-02-28
CN100483907C true CN100483907C (zh) 2009-04-29

Family

ID=34879253

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005800053421A Expired - Fee Related CN100483907C (zh) 2004-02-19 2005-02-15 电流方向检测电路以及具有该电路的开关调节器

Country Status (6)

Country Link
US (3) US7420356B2 (cg-RX-API-DMAC7.html)
JP (1) JP3916163B2 (cg-RX-API-DMAC7.html)
KR (1) KR20060126780A (cg-RX-API-DMAC7.html)
CN (1) CN100483907C (cg-RX-API-DMAC7.html)
TW (1) TW200539556A (cg-RX-API-DMAC7.html)
WO (1) WO2005081385A1 (cg-RX-API-DMAC7.html)

Families Citing this family (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3916163B2 (ja) * 2004-02-19 2007-05-16 ローム株式会社 電流方向検出回路及びそれを備えたスイッチングレギュレータ
JP2005304210A (ja) * 2004-04-14 2005-10-27 Renesas Technology Corp 電源ドライバ装置及びスイッチング電源装置
JP4708976B2 (ja) * 2005-11-22 2011-06-22 株式会社リコー 同期整流型スイッチングレギュレータ、同期整流型スイッチングレギュレータの制御回路及び同期整流型スイッチングレギュレータの動作制御方法
JP4932584B2 (ja) * 2005-11-25 2012-05-16 株式会社リコー 同期整流型スイッチングレギュレータ
US11881814B2 (en) 2005-12-05 2024-01-23 Solaredge Technologies Ltd. Testing of a photovoltaic panel
US10693415B2 (en) 2007-12-05 2020-06-23 Solaredge Technologies Ltd. Testing of a photovoltaic panel
JP4783652B2 (ja) 2006-03-20 2011-09-28 株式会社リコー 高効率電源回路および該高効率電源回路を組み込んだ電子機器
JP5261919B2 (ja) * 2006-11-10 2013-08-14 富士通セミコンダクター株式会社 Ｄｃ−ｄｃコンバータ及びｄｃ−ｄｃコンバータの制御回路
US8947194B2 (en) 2009-05-26 2015-02-03 Solaredge Technologies Ltd. Theft detection and prevention in a power generation system
US8473250B2 (en) 2006-12-06 2013-06-25 Solaredge, Ltd. Monitoring of distributed power harvesting systems using DC power sources
US8384243B2 (en) 2007-12-04 2013-02-26 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US8618692B2 (en) 2007-12-04 2013-12-31 Solaredge Technologies Ltd. Distributed power system using direct current power sources
US11687112B2 (en) 2006-12-06 2023-06-27 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US9088178B2 (en) 2006-12-06 2015-07-21 Solaredge Technologies Ltd Distributed power harvesting systems using DC power sources
US11855231B2 (en) 2006-12-06 2023-12-26 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US8013472B2 (en) 2006-12-06 2011-09-06 Solaredge, Ltd. Method for distributed power harvesting using DC power sources
US8816535B2 (en) 2007-10-10 2014-08-26 Solaredge Technologies, Ltd. System and method for protection during inverter shutdown in distributed power installations
US11569659B2 (en) 2006-12-06 2023-01-31 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US8319471B2 (en) 2006-12-06 2012-11-27 Solaredge, Ltd. Battery power delivery module
US8963369B2 (en) 2007-12-04 2015-02-24 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US11735910B2 (en) 2006-12-06 2023-08-22 Solaredge Technologies Ltd. Distributed power system using direct current power sources
US9130401B2 (en) 2006-12-06 2015-09-08 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US11309832B2 (en) 2006-12-06 2022-04-19 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US9112379B2 (en) 2006-12-06 2015-08-18 Solaredge Technologies Ltd. Pairing of components in a direct current distributed power generation system
US11296650B2 (en) 2006-12-06 2022-04-05 Solaredge Technologies Ltd. System and method for protection during inverter shutdown in distributed power installations
US12316274B2 (en) 2006-12-06 2025-05-27 Solaredge Technologies Ltd. Pairing of components in a direct current distributed power generation system
US11888387B2 (en) 2006-12-06 2024-01-30 Solaredge Technologies Ltd. Safety mechanisms, wake up and shutdown methods in distributed power installations
US8319483B2 (en) 2007-08-06 2012-11-27 Solaredge Technologies Ltd. Digital average input current control in power converter
US8174251B2 (en) * 2007-09-13 2012-05-08 Freescale Semiconductor, Inc. Series regulator with over current protection circuit
EP2232690B1 (en) 2007-12-05 2016-08-31 Solaredge Technologies Ltd. Parallel connected inverters
WO2009072075A2 (en) 2007-12-05 2009-06-11 Solaredge Technologies Ltd. Photovoltaic system power tracking method
EP2225778B1 (en) 2007-12-05 2019-06-26 Solaredge Technologies Ltd. Testing of a photovoltaic panel
US11264947B2 (en) 2007-12-05 2022-03-01 Solaredge Technologies Ltd. Testing of a photovoltaic panel
WO2009072076A2 (en) 2007-12-05 2009-06-11 Solaredge Technologies Ltd. Current sensing on a mosfet
CN101933209B (zh) 2007-12-05 2015-10-21 太阳能安吉有限公司 分布式电力装置中的安全机构、醒来和关闭方法
DE102008011706A1 (de) * 2008-02-28 2009-09-10 Austriamicrosystems Ag Wandleranordnung und Verfahren zur Bereitstellung eines gewandelten Signals
EP2269290B1 (en) 2008-03-24 2018-12-19 Solaredge Technologies Ltd. Switch mode converter including active clamp for achieving zero voltage switching
US9000617B2 (en) 2008-05-05 2015-04-07 Solaredge Technologies, Ltd. Direct current power combiner
JP5169498B2 (ja) * 2008-06-02 2013-03-27 株式会社リコー 電流検出回路及びその電流検出回路を備えたスイッチングレギュレータ
JP5326421B2 (ja) * 2008-08-18 2013-10-30 富士電機株式会社 Ｄｃ−ｄｃコンバータの異常電流防止回路
US7737676B2 (en) * 2008-10-16 2010-06-15 Freescale Semiconductor, Inc. Series regulator circuit
US7973523B2 (en) * 2009-02-02 2011-07-05 Texas Instruments Incorporated Reverse current sensing regulator system and method
US8476524B2 (en) 2009-05-22 2013-07-02 Solaredge Technologies Ltd. Electrically isolated heat dissipating junction box
US8179108B2 (en) 2009-08-02 2012-05-15 Freescale Semiconductor, Inc. Regulator having phase compensation circuit
US12418177B2 (en) 2009-10-24 2025-09-16 Solaredge Technologies Ltd. Distributed power system using direct current power sources
US8710699B2 (en) 2009-12-01 2014-04-29 Solaredge Technologies Ltd. Dual use photovoltaic system
US8766696B2 (en) 2010-01-27 2014-07-01 Solaredge Technologies Ltd. Fast voltage level shifter circuit
JP5771429B2 (ja) * 2010-05-28 2015-08-26 ローム株式会社 スイッチング電源装置
US10673229B2 (en) 2010-11-09 2020-06-02 Solaredge Technologies Ltd. Arc detection and prevention in a power generation system
US10673222B2 (en) 2010-11-09 2020-06-02 Solaredge Technologies Ltd. Arc detection and prevention in a power generation system
US10230310B2 (en) 2016-04-05 2019-03-12 Solaredge Technologies Ltd Safety switch for photovoltaic systems
GB2485527B (en) 2010-11-09 2012-12-19 Solaredge Technologies Ltd Arc detection and prevention in a power generation system
GB2486408A (en) 2010-12-09 2012-06-20 Solaredge Technologies Ltd Disconnection of a string carrying direct current
GB2483317B (en) 2011-01-12 2012-08-22 Solaredge Technologies Ltd Serially connected inverters
JP5569406B2 (ja) * 2011-01-18 2014-08-13 株式会社富士通ゼネラル 空気調和機
US8570005B2 (en) 2011-09-12 2013-10-29 Solaredge Technologies Ltd. Direct current link circuit
GB2498365A (en) 2012-01-11 2013-07-17 Solaredge Technologies Ltd Photovoltaic module
GB2498790A (en) 2012-01-30 2013-07-31 Solaredge Technologies Ltd Maximising power in a photovoltaic distributed power system
US9853565B2 (en) 2012-01-30 2017-12-26 Solaredge Technologies Ltd. Maximized power in a photovoltaic distributed power system
GB2498791A (en) 2012-01-30 2013-07-31 Solaredge Technologies Ltd Photovoltaic panel circuitry
GB2499991A (en) 2012-03-05 2013-09-11 Solaredge Technologies Ltd DC link circuit for photovoltaic array
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
JP5935469B2 (ja) * 2012-04-13 2016-06-15 富士電機株式会社 電力変換装置
CN114520518A (zh) 2012-05-25 2022-05-20 太阳能安吉科技有限公司 用于互联的直流电源的电路
US10115841B2 (en) 2012-06-04 2018-10-30 Solaredge Technologies Ltd. Integrated photovoltaic panel circuitry
JP5510572B2 (ja) * 2013-02-20 2014-06-04 富士電機株式会社 Ｄｃ−ｄｃコンバータの異常電流防止回路
US9548619B2 (en) 2013-03-14 2017-01-17 Solaredge Technologies Ltd. Method and apparatus for storing and depleting energy
US9941813B2 (en) 2013-03-14 2018-04-10 Solaredge Technologies Ltd. High frequency multi-level inverter
EP2779251B1 (en) 2013-03-15 2019-02-27 Solaredge Technologies Ltd. Bypass mechanism
US9453859B2 (en) 2013-11-07 2016-09-27 Infineon Technologies Americas Corp. Voltage converter with VCC-Less RDSon current sensing circuit
US9318974B2 (en) 2014-03-26 2016-04-19 Solaredge Technologies Ltd. Multi-level inverter with flying capacitor topology
JP6426444B2 (ja) 2014-11-18 2018-11-21 ローム株式会社 スイッチング電源装置
US10599113B2 (en) 2016-03-03 2020-03-24 Solaredge Technologies Ltd. Apparatus and method for determining an order of power devices in power generation systems
CN107153212B (zh) 2016-03-03 2023-07-28 太阳能安吉科技有限公司 用于映射发电设施的方法
US11081608B2 (en) 2016-03-03 2021-08-03 Solaredge Technologies Ltd. Apparatus and method for determining an order of power devices in power generation systems
JP6693225B2 (ja) 2016-03-30 2020-05-13 セイコーエプソン株式会社 回路装置、スイッチングレギュレーター、及び、電子機器
US12057807B2 (en) 2016-04-05 2024-08-06 Solaredge Technologies Ltd. Chain of power devices
US11018623B2 (en) 2016-04-05 2021-05-25 Solaredge Technologies Ltd. Safety switch for photovoltaic systems
US11177663B2 (en) 2016-04-05 2021-11-16 Solaredge Technologies Ltd. Chain of power devices
DE112017002278B4 (de) * 2016-05-31 2023-03-16 Rohm Co., Ltd. Schaltregler, integrierte Halbleiterschaltung und elektronisches Gerät
CN106238352B (zh) * 2016-08-30 2018-12-11 扬州江新电子有限公司 一种双向对称型集成器件分选机控制电路及分选方法
CN106357099B (zh) * 2016-09-14 2019-04-16 昂宝电子（上海）有限公司 一种实现栅极驱动电路的系统和方法
CN106841815B (zh) * 2017-03-28 2020-08-18 电子科技大学 一种基于电压激励的电力线铁塔接地电阻在线测试仪
CN107294409B (zh) * 2017-07-26 2023-07-28 江西联智集成电路有限公司 有源整流器
JP6949648B2 (ja) * 2017-10-02 2021-10-13 新日本無線株式会社 スイッチング電源装置
US11201543B2 (en) * 2018-11-01 2021-12-14 Texas Instruments Incorporated Methods and apparatus to improve the safe operating area of switched mode power supplies
JP7256077B2 (ja) * 2019-06-11 2023-04-11 日清紡マイクロデバイス株式会社 スイッチング電源
US12191825B2 (en) * 2022-06-09 2025-01-07 Diodes Incorporated Dynamic control of output driver in a switching amplifier

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1038914A (zh) * 1988-06-09 1990-01-17 Rca许可公司 电源防故障电路
JP2003244946A (ja) * 2002-02-19 2003-08-29 Hitachi Ltd 同期整流回路及び電源装置
CN1455507A (zh) * 2002-05-02 2003-11-12 台达电子工业股份有限公司 桥式电路中电流方向检测的装置及方法
JP2004056982A (ja) * 2002-07-24 2004-02-19 Seiko Epson Corp 電源回路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000092824A (ja) 1998-09-10 2000-03-31 Matsushita Electric Ind Co Ltd スイッチングレギュレータおよびｌｓｉシステム
WO2002031950A2 (en) * 2000-10-13 2002-04-18 Primarion, Inc. System and method for detection of zero current condition
JP2002280886A (ja) * 2001-03-19 2002-09-27 Toshiba Microelectronics Corp 半導体装置
JP3916163B2 (ja) * 2004-02-19 2007-05-16 ローム株式会社 電流方向検出回路及びそれを備えたスイッチングレギュレータ
JP2005304210A (ja) * 2004-04-14 2005-10-27 Renesas Technology Corp 電源ドライバ装置及びスイッチング電源装置
JP4097635B2 (ja) * 2004-08-02 2008-06-11 松下電器産業株式会社 電流検出回路及びそれを用いたスイッチング電源
EP1632827B1 (en) * 2004-08-27 2007-05-23 Infineon Technologies AG Control circuit for current mode buck converter
JP4287851B2 (ja) * 2004-10-28 2009-07-01 Ｔｄｋ株式会社 スイッチング電源用制御装置およびスイッチング電源

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1038914A (zh) * 1988-06-09 1990-01-17 Rca许可公司 电源防故障电路
JP2003244946A (ja) * 2002-02-19 2003-08-29 Hitachi Ltd 同期整流回路及び電源装置
CN1455507A (zh) * 2002-05-02 2003-11-12 台达电子工业股份有限公司 桥式电路中电流方向检测的装置及方法
JP2004056982A (ja) * 2002-07-24 2004-02-19 Seiko Epson Corp 電源回路

Also Published As

Publication number Publication date
US7652456B2 (en) 2010-01-26
US20100117613A1 (en) 2010-05-13
CN1922778A (zh) 2007-02-28
TW200539556A (en) 2005-12-01
JP2005237099A (ja) 2005-09-02
US20090001951A1 (en) 2009-01-01
TWI345867B (cg-RX-API-DMAC7.html) 2011-07-21
KR20060126780A (ko) 2006-12-08
JP3916163B2 (ja) 2007-05-16
US7420356B2 (en) 2008-09-02
US20080024098A1 (en) 2008-01-31
WO2005081385A1 (ja) 2005-09-01

Similar Documents

Publication Publication Date Title
CN100483907C (zh) 电流方向检测电路以及具有该电路的开关调节器
KR101017656B1 (ko) 동기 정류형 스위칭 레귤레이터
US9024660B2 (en) Driving circuit with zero current shutdown and a driving method thereof
US7777468B2 (en) Semiconductor apparatus
JP5330084B2 (ja) 電流検出回路及びこれを用いたスイッチングレギュレータ
JP2007272873A (ja) 突入電流制限回路のための方法および装置
JPH05217370A (ja) 内部降圧電源回路
US20110095789A1 (en) Circuits and methods for voltage detection
CN1910529A (zh) 过电流检测电路以及具有该电路的调节器
JP2010166110A (ja) 電圧検出回路
JP2004364280A (ja) 線形および飽和領域で動作可能なパワーｍｏｓｆｅｔ用電流センス
US20080309320A1 (en) Negative voltage detection circuit for synchronous rectifier mosfet
CN106959721A (zh) 低压差线性稳压器
CN110888487B (zh) 一种低压差线性稳压器及电子设备
US9531259B2 (en) Power supply circuit
JP4655850B2 (ja) 電源供給制御回路
US9772647B2 (en) Powering of a charge with a floating node
KR20000056021A (ko) 전압 강압 회로
JP2007078427A (ja) 過電流検出回路及びそれを用いた電源装置
TW201310188A (zh) 電壓調節器
JP2006325339A (ja) 電源制御回路
CN115754440A (zh) 一种低功耗、结构简易的电压检测电路
JP2006032393A (ja) 電力用半導体装置
JP2012143030A (ja) 電子回路
JP2005223804A (ja) スイッチ回路

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090429

Termination date: 20200215

CF01 Termination of patent right due to non-payment of annual fee