JP2008306894A - 多出力スイッチング電源装置 - Google Patents
多出力スイッチング電源装置 Download PDFInfo
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- JP2008306894A JP2008306894A JP2007153913A JP2007153913A JP2008306894A JP 2008306894 A JP2008306894 A JP 2008306894A JP 2007153913 A JP2007153913 A JP 2007153913A JP 2007153913 A JP2007153913 A JP 2007153913A JP 2008306894 A JP2008306894 A JP 2008306894A
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- Prior art keywords
- switching element
- voltage
- output
- power supply
- transformer
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- 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.)
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-
- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- 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
- H02M1/0083—Converters characterised by their input or output configuration
- H02M1/009—Converters characterised by their input or output configuration having two or more independently controlled outputs
-
- 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)
Abstract
【解決手段】直流電源1を断続することによりパルス電圧を発生する電圧発生回路Q1,Q2,T1a,10aと、電流共振コンデンサCri2とトランスT2の一次巻線P2とスイッチング素子Q3とからなり、電圧発生回路で発生したパルス電圧が印加される直列共振回路と、トランスの二次巻線S2に発生するパルス電圧を整流平滑して直流出力電圧を取り出す整流平滑回路D2,C2と、前記直流出力電圧に基づきスイッチング素子をオンオフさせる制御回路11とを備える。
【選択図】図1
Description
2 全波整流回路
5 帰還回路
10 制御回路
11 第2の制御回路
12 レギュレータ
110 RSF/F
Q1 第1スイッチング素子
Q2 第2スイッチング素子
Q3 第3スイッチング素子
C1,C2,C3,C11 平滑コンデンサ
Cri,Cri2 電流共振コンデンサ
Crv 電圧共振コンデンサ
D1,D2,D3,D4,D11 ダイオード
Lr1 第1共振リアクトル
Lr2 第2共振リアクトル
T1,T2,T1a,T1b トランス
R11,R12,R13 抵抗
P1,P2 一次巻線
S1,S2 二次巻線
CMP コンパレータ
EAMP 誤差増幅器
Claims (7)
- 直流電源を断続することによりパルス電圧を発生する電圧発生回路と、
電流共振コンデンサとトランスの一次巻線とスイッチング素子とからなり、前記電圧発生回路で発生したパルス電圧が印加される直列共振回路と、
前記トランスの二次巻線に発生するパルス電圧を整流平滑して直流出力電圧を取り出す整流平滑回路と、
前記直流出力電圧に基づき前記スイッチング素子をオンオフさせる制御回路と、
を備えることを特徴とする多出力スイッチング電源装置。 - 前記制御回路は、前記パルス電圧が印加される期間に前記スイッチング素子をオンさせ、前記パルス電圧の立ち上がりに同期して前記スイッチング素子をオフさせ、前記直流出力電圧に基づき、前記スイッチング素子がオフしている期間を調整することを特徴とする請求項1記載の多出力スイッチング電源装置。
- 前記制御回路は、前記パルス電圧が印加される期間に前記スイッチング素子をオンさせ、前記パルス電圧が印加されていない期間に所定の時間経過後前記スイッチング素子をオフさせ前記直流出力電圧に基づき、前記スイッチング素子がオフしている期間を調整することを特徴とする請求項1記載の多出力スイッチング電源装置。
- 前記直列共振回路の前記電流共振コンデンサと前記トランスの一次巻線との直列回路に並列に、回生用のダイオードが接続されていることを特徴とする請求項1記載の多出力スイッチング電源装置。
- 前記制御回路は、前記パルス電圧の立ち下がりに同期して前記スイッチング素子をオンさせ、前記直流出力電圧に基づき、前記スイッチング素子がオンしている期間を調整することを特徴とする請求項4記載の多出力スイッチング電源装置。
- 前記制御回路は、前記パルス電圧の立ち上がりに同期して前記スイッチング素子をオンさせ、前記直流出力電圧に基づき、前記スイッチング素子がオンしている期間を調整することを特徴とする請求項4記載の多出力スイッチング電源装置。
- 前記電圧発生回路は、
前記直流電源の両極間に直列に接続され、オンオフすることによりパルス電圧を発生する第1スイッチング素子及び第2スイッチング素子と、前記第1スイッチング素子又は前記第2スイッチング素子に並列に接続された第1トランスの一次巻線と第1電流共振コンデンサからなる第1直列共振回路とを有し、
前記直列共振回路は、前記第1スイッチング素子及び前記第2スイッチング素子のオンオフにより発生したパルス電圧又は前記第1トランスに発生したパルス電圧が印加され、
さらに、前記第1トランスの二次巻線に発生するパルス電圧を整流平滑して第1出力電圧を取り出す第1整流平滑回路と、
前記第1出力電圧に基づき前記第1スイッチング素子及び前記第2スイッチング素子を交互にオンオフさせる第1制御回路と、
を有することを特徴とする請求項1記載の多出力スイッチング電源装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007153913A JP4245066B2 (ja) | 2007-06-11 | 2007-06-11 | 多出力スイッチング電源装置 |
KR1020107000511A KR20100018061A (ko) | 2007-06-11 | 2008-06-06 | 다중 출력 스위칭 전원 장치 |
US12/663,290 US8385089B2 (en) | 2007-06-11 | 2008-06-06 | Multiple-output switching power supply unit |
CN2008800196490A CN101689807B (zh) | 2007-06-11 | 2008-06-06 | 多输出开关电源装置 |
PCT/JP2008/060432 WO2008152978A1 (ja) | 2007-06-11 | 2008-06-06 | 多出力スイッチング電源装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007153913A JP4245066B2 (ja) | 2007-06-11 | 2007-06-11 | 多出力スイッチング電源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008306894A true JP2008306894A (ja) | 2008-12-18 |
JP4245066B2 JP4245066B2 (ja) | 2009-03-25 |
Family
ID=40129583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007153913A Expired - Fee Related JP4245066B2 (ja) | 2007-06-11 | 2007-06-11 | 多出力スイッチング電源装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8385089B2 (ja) |
JP (1) | JP4245066B2 (ja) |
KR (1) | KR20100018061A (ja) |
CN (1) | CN101689807B (ja) |
WO (1) | WO2008152978A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103095141A (zh) * | 2011-10-31 | 2013-05-08 | 佳能株式会社 | 电源装置和包括该电源装置的图像形成装置 |
KR101379375B1 (ko) | 2013-04-04 | 2014-03-31 | 주식회사 동운아나텍 | 모드 선택 가능한 듀얼 출력형 dc-dc 컨버터 장치 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4525817B2 (ja) * | 2008-10-30 | 2010-08-18 | サンケン電気株式会社 | スイッチング電源装置 |
US8040114B2 (en) * | 2008-11-07 | 2011-10-18 | Power Integrations, Inc. | Method and apparatus to increase efficiency in a power factor correction circuit |
WO2011114850A1 (ja) * | 2010-03-16 | 2011-09-22 | 株式会社村田製作所 | スイッチング電源装置 |
US8817494B2 (en) * | 2010-08-09 | 2014-08-26 | Sanken Electric Co., Ltd. | PFC AC/DC converter reducing harmonics, switching loss, and switching noise |
DE102011100644A1 (de) * | 2011-05-05 | 2012-11-08 | Minebea Co., Ltd. | Gleichspannungswandler |
JP2013005547A (ja) | 2011-06-15 | 2013-01-07 | Sanken Electric Co Ltd | スイッチング電源装置 |
JP5768886B2 (ja) * | 2011-08-04 | 2015-08-26 | 株式会社村田製作所 | スイッチング電源装置 |
US9143043B2 (en) | 2012-03-01 | 2015-09-22 | Infineon Technologies Ag | Multi-mode operation and control of a resonant converter |
CN103796584B (zh) * | 2012-09-10 | 2019-01-29 | 东芝医疗系统株式会社 | 图像诊断装置以及图像诊断装置的电力控制方法 |
US10048337B2 (en) | 2012-09-10 | 2018-08-14 | Toshiba Medical Systems Corporation | Image diagnosis apparatus and power control method of an image diagnosis apparatus |
US9989602B2 (en) | 2012-09-10 | 2018-06-05 | Toshiba Medical Systems Corporation | Magnetic resonance imaging apparatus and a power control method of a magnetic resonance imaging apparatus |
US9444332B2 (en) | 2013-10-07 | 2016-09-13 | Infineon Technologies Austria Ag | System and method for controlling a power supply during discontinuous conduction mode |
JP7166843B2 (ja) * | 2018-08-28 | 2022-11-08 | キヤノン株式会社 | 電源装置及び画像形成装置 |
US11133746B1 (en) * | 2020-03-19 | 2021-09-28 | Saemsen | Battery life extender and method |
CN113922672A (zh) * | 2020-07-10 | 2022-01-11 | Oppo广东移动通信有限公司 | 电源适配器 |
Family Cites Families (15)
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JPH0956057A (ja) * | 1995-08-14 | 1997-02-25 | Mikuni Corp | 定電流回路の保護装置 |
JPH0956157A (ja) | 1995-08-16 | 1997-02-25 | Sony Corp | 電源装置 |
JPH11187661A (ja) * | 1997-12-19 | 1999-07-09 | Sanken Electric Co Ltd | Dc−dcコンバータ |
JP2002136135A (ja) * | 2000-10-24 | 2002-05-10 | Sony Corp | スイッチング電源回路 |
JP2003088118A (ja) * | 2001-09-10 | 2003-03-20 | Sanken Electric Co Ltd | 共振型dc−dcコンバータ |
JP4371042B2 (ja) | 2004-11-11 | 2009-11-25 | サンケン電気株式会社 | スイッチング電源装置 |
JP4671019B2 (ja) | 2005-01-14 | 2011-04-13 | サンケン電気株式会社 | 多出力型dc−dcコンバータ |
CN1862935B (zh) * | 2005-05-09 | 2010-04-28 | 崇贸科技股份有限公司 | 输出功率补偿的方法及切换式控制装置 |
JP4735072B2 (ja) | 2005-06-23 | 2011-07-27 | サンケン電気株式会社 | スイッチング電源装置 |
US7215107B2 (en) * | 2005-07-11 | 2007-05-08 | Power Integrations, Inc. | Method and apparatus to limit output power in a switching power supply |
JP4849070B2 (ja) | 2005-10-03 | 2011-12-28 | サンケン電気株式会社 | 多出力スイッチング電源装置 |
JP2007174793A (ja) | 2005-12-21 | 2007-07-05 | Sanken Electric Co Ltd | 多出力スイッチング電源装置 |
JP4797637B2 (ja) | 2006-01-16 | 2011-10-19 | サンケン電気株式会社 | 共振型スイッチング電源装置 |
US7551459B1 (en) * | 2006-01-26 | 2009-06-23 | Wittenbreder Jr Ernest Henry | Zero voltage switching coupled inductor boost power converters |
US7286373B1 (en) * | 2006-04-07 | 2007-10-23 | Li Shin International Enterprise Corporation | Full-resonant power circuit device for receiving a variable input voltage |
-
2007
- 2007-06-11 JP JP2007153913A patent/JP4245066B2/ja not_active Expired - Fee Related
-
2008
- 2008-06-06 WO PCT/JP2008/060432 patent/WO2008152978A1/ja active Application Filing
- 2008-06-06 CN CN2008800196490A patent/CN101689807B/zh not_active Expired - Fee Related
- 2008-06-06 KR KR1020107000511A patent/KR20100018061A/ko active Search and Examination
- 2008-06-06 US US12/663,290 patent/US8385089B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103095141A (zh) * | 2011-10-31 | 2013-05-08 | 佳能株式会社 | 电源装置和包括该电源装置的图像形成装置 |
KR101379375B1 (ko) | 2013-04-04 | 2014-03-31 | 주식회사 동운아나텍 | 모드 선택 가능한 듀얼 출력형 dc-dc 컨버터 장치 |
Also Published As
Publication number | Publication date |
---|---|
CN101689807A (zh) | 2010-03-31 |
US20100172159A1 (en) | 2010-07-08 |
JP4245066B2 (ja) | 2009-03-25 |
US8385089B2 (en) | 2013-02-26 |
WO2008152978A1 (ja) | 2008-12-18 |
KR20100018061A (ko) | 2010-02-16 |
CN101689807B (zh) | 2012-11-21 |
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