KR100544265B1 - Ac/dc 컨버터 및 이를 이용한 전원 시스템 - Google Patents
Ac/dc 컨버터 및 이를 이용한 전원 시스템 Download PDFInfo
- Publication number
- KR100544265B1 KR100544265B1 KR1020040013176A KR20040013176A KR100544265B1 KR 100544265 B1 KR100544265 B1 KR 100544265B1 KR 1020040013176 A KR1020040013176 A KR 1020040013176A KR 20040013176 A KR20040013176 A KR 20040013176A KR 100544265 B1 KR100544265 B1 KR 100544265B1
- Authority
- KR
- South Korea
- Prior art keywords
- voltage
- converter
- output
- terminal
- fet
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C15/00—Generating random numbers; Lottery apparatus
- G07C15/001—Generating random numbers; Lottery apparatus with balls or the like
- G07C15/003—Generating random numbers; Lottery apparatus with balls or the like hand-held
-
- 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
- H02M3/338—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 in a self-oscillating arrangement
- H02M3/3385—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 in a self-oscillating arrangement with automatic control of output voltage or current
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (3)
- AC/DC 컨버터에 있어서,상용 전원으로부터의 AC 전압을 정류하고 평활하여 획득한 DC 전압 공급을 변압기의 1차측으로 스위칭하는 스위칭 소자;상기 변압기의 2차측 출력을 정류하는 정류기 회로;일정한 출력 전압이 출력 단자에서 생성되도록 상기 스위칭 소자를 제어하는 제1 제어 회로; 및상기 출력 단자의 전압이 상기 일정한 출력 전압보다 높은 소정의 전압이 되도록 상기 스위칭 소자를 제어하는 제2 제어 회로를 포함하는 AC/DC 컨버터.
- 전원 시스템에 있어서,일정한 출력 전압이 출력 단자로부터 생성되게 하고, 상기 일정한 출력 전압이 상기 출력 단자로부터 출력될 수 없는 경우에는 상기 일정한 출력 전압보다 높은 소정의 전압이 출력되도록 제어되는 AC/DC 컨버터; 및상기 AC/DC 컨버터로부터 출력되는 상기 소정의 전압을 변환하는 컨버터와 상기 AC/DC 컨버터가 상기 소정의 전압을 생성하는 경우 상기 변환 동작을 중단하는 보호 회로를 포함하는 DC-DC 컨버터를 포함하는 전원 시스템.
- 제2항에 있어서,상기 DC-DC 컨버터 전압의 출력을 감시하고, 상기 DC-DC 컨버터가 상기 변환 동작을 중단하는 경우에 리셋 신호를 출력하는 리셋 회로를 더 포함하는 전원 시스템.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2003-00051923 | 2003-02-27 | ||
JP2003051923A JP4289904B2 (ja) | 2003-02-27 | 2003-02-27 | Ac−dcコンバータ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040077514A KR20040077514A (ko) | 2004-09-04 |
KR100544265B1 true KR100544265B1 (ko) | 2006-01-23 |
Family
ID=32905691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040013176A KR100544265B1 (ko) | 2003-02-27 | 2004-02-26 | Ac/dc 컨버터 및 이를 이용한 전원 시스템 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7023679B2 (ko) |
JP (1) | JP4289904B2 (ko) |
KR (1) | KR100544265B1 (ko) |
CN (1) | CN100392973C (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101065709B1 (ko) * | 2011-06-15 | 2011-09-19 | 엘지전자 주식회사 | 조명 제어 방법, 조명 장치 및 조명 시스템 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004080851A (ja) * | 2002-08-09 | 2004-03-11 | Aisin Aw Co Ltd | 駆動用電源装置 |
JP2006106077A (ja) * | 2004-09-30 | 2006-04-20 | Seiko Epson Corp | 電気光学装置及び電子機器 |
CN100461603C (zh) * | 2006-09-05 | 2009-02-11 | 广州金升阳科技有限公司 | 一种隔离式自振荡反激变换器 |
US9197132B2 (en) | 2006-12-01 | 2015-11-24 | Flextronics International Usa, Inc. | Power converter with an adaptive controller and method of operating the same |
KR101490479B1 (ko) | 2007-07-20 | 2015-02-06 | 삼성디스플레이 주식회사 | 구동 장치 및 이를 포함하는 표시 장치 |
JP2009177990A (ja) * | 2008-01-28 | 2009-08-06 | Hitachi Ltd | スイッチング電源装置及びこれを用いた電気機器 |
CN101546962B (zh) * | 2008-03-26 | 2011-08-24 | 鸿富锦精密工业(深圳)有限公司 | 电源装置 |
CN101562403B (zh) * | 2008-04-17 | 2012-05-23 | 深圳市思达仪表有限公司 | 一种单相电子式电能表电源 |
CN101426325B (zh) * | 2008-10-11 | 2012-06-27 | 天水华天微电子股份有限公司 | 隔离型开关电源电路输出电压外部控制电路 |
US9246391B2 (en) | 2010-01-22 | 2016-01-26 | Power Systems Technologies Ltd. | Controller for providing a corrected signal to a sensed peak current through a circuit element of a power converter |
CN201622302U (zh) * | 2010-04-09 | 2010-11-03 | 维熹科技股份有限公司 | 过电压与过电流检测电路 |
US20130016535A1 (en) * | 2011-07-12 | 2013-01-17 | Power Systems Technologies, Ltd. | Controller for a Power Converter and Method of Operating the Same |
JP5708334B2 (ja) * | 2011-07-19 | 2015-04-30 | 株式会社デンソー | マイコン搭載装置 |
GB2501105A (en) | 2012-04-12 | 2013-10-16 | Eltek As | AC-DC converter overvoltage protection circuit |
US9190898B2 (en) | 2012-07-06 | 2015-11-17 | Power Systems Technologies, Ltd | Controller for a power converter and method of operating the same |
US9240712B2 (en) | 2012-12-13 | 2016-01-19 | Power Systems Technologies Ltd. | Controller including a common current-sense device for power switches of a power converter |
JP6147007B2 (ja) | 2013-01-17 | 2017-06-14 | キヤノン株式会社 | 電源装置及び画像形成装置 |
JP6161374B2 (ja) | 2013-04-05 | 2017-07-12 | キヤノン株式会社 | 電源装置及び画像形成装置 |
US9300206B2 (en) | 2013-11-15 | 2016-03-29 | Power Systems Technologies Ltd. | Method for estimating power of a power converter |
CN103760408B (zh) * | 2014-01-26 | 2017-02-15 | 矽力杰半导体技术(杭州)有限公司 | 过零检测电路 |
US9502990B2 (en) * | 2014-05-12 | 2016-11-22 | Chicony Power Technology Co., Ltd. | Electric power feedback apparatus with main power output-feedback and standby power output-feedback |
CN104901270A (zh) * | 2015-04-30 | 2015-09-09 | 武汉爱德威科技有限责任公司 | 一种氮氧传感器电控单元自恢复高侧过压保护电路 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4757433A (en) * | 1987-01-07 | 1988-07-12 | Display Components, Inc. | Power supply |
SG71774A1 (en) * | 1998-04-01 | 2000-04-18 | Compaq Computer Corp | Switched-mode power converter with triple protection in single latch |
-
2003
- 2003-02-27 JP JP2003051923A patent/JP4289904B2/ja not_active Expired - Fee Related
-
2004
- 2004-02-23 US US10/782,996 patent/US7023679B2/en not_active Expired - Lifetime
- 2004-02-25 CN CNB2004100066467A patent/CN100392973C/zh not_active Expired - Fee Related
- 2004-02-26 KR KR1020040013176A patent/KR100544265B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101065709B1 (ko) * | 2011-06-15 | 2011-09-19 | 엘지전자 주식회사 | 조명 제어 방법, 조명 장치 및 조명 시스템 |
US8487552B2 (en) | 2011-06-15 | 2013-07-16 | Lg Electronics Inc. | Lighting controlling method, lighting apparatus and lighting system |
Also Published As
Publication number | Publication date |
---|---|
US20040170031A1 (en) | 2004-09-02 |
CN100392973C (zh) | 2008-06-04 |
CN1525634A (zh) | 2004-09-01 |
JP2004260977A (ja) | 2004-09-16 |
US7023679B2 (en) | 2006-04-04 |
KR20040077514A (ko) | 2004-09-04 |
JP4289904B2 (ja) | 2009-07-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100544265B1 (ko) | Ac/dc 컨버터 및 이를 이용한 전원 시스템 | |
US9825540B2 (en) | Switching power supply apparatus | |
KR100733667B1 (ko) | Dc 컨버터 | |
US8503197B2 (en) | Power supply apparatus and image forming apparatus | |
KR101213459B1 (ko) | 액티브 스너버 회로 및 전원회로 | |
US7339804B2 (en) | DC-DC converter | |
JP4687958B2 (ja) | Dc−dcコンバータ | |
EP1642381B1 (en) | Switched mode power supply | |
JP3450929B2 (ja) | スイッチング電源装置 | |
US6690586B2 (en) | Switching power source device | |
KR100703821B1 (ko) | 스위칭 파워 서플라이 | |
US20090201705A1 (en) | Energy converting apparatus, and semiconductor device and switching control method used therein | |
US5412555A (en) | Self-oscillating DC-DC Converter with zero voltage switching | |
JPWO2004023634A1 (ja) | スイッチング電源装置 | |
JP2016174471A (ja) | スナバ回路 | |
JP3839737B2 (ja) | 直流電圧変換回路 | |
KR20170118729A (ko) | 전원 제어용 반도체 장치 | |
KR20170118068A (ko) | 전원 제어용 반도체 장치 | |
US11703550B2 (en) | Resonance voltage attenuation detection circuit, semiconductor device for switching power, and switching power supply | |
JP3613731B2 (ja) | 無負荷時省電力電源装置 | |
JP2023058933A (ja) | 電源回路 | |
JP4919858B2 (ja) | スイッチング電源 | |
JP2776152B2 (ja) | スイッチングレギュレ−タ | |
JP2003304684A (ja) | フォワードコンバータ | |
JPH11275859A (ja) | スイッチング電源装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121221 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20131226 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20141226 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20151224 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20161227 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20171226 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20200103 Year of fee payment: 15 |