JP4845973B2 - スイッチング電源 - Google Patents
スイッチング電源 Download PDFInfo
- Publication number
- JP4845973B2 JP4845973B2 JP2008554043A JP2008554043A JP4845973B2 JP 4845973 B2 JP4845973 B2 JP 4845973B2 JP 2008554043 A JP2008554043 A JP 2008554043A JP 2008554043 A JP2008554043 A JP 2008554043A JP 4845973 B2 JP4845973 B2 JP 4845973B2
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- JP
- Japan
- Prior art keywords
- voltage
- control
- period
- coil
- transformer
- 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.)
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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
- H02M3/33523—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 with galvanic isolation between input and output of both the power stage and the feedback loop
-
- 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
-
- 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
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
-
- 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
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- 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
Description
Np トランスT1の一次コイル
Nc トランスT1の制御コイル
Ns トランスT1の二次コイル
Q1 メインスイッチ
Q2 タイマ回路12内のスイッチ
D1 タイマ回路12内の定電圧ダイオード
D2 出力平滑回路21内のダイオード
C1 一次回路ダンパー用コンデンサ
C2 オントリガ用のタイミング調整コンデンサ
C3 タイマ回路12の計時用コンデンサ
C4 出力平滑回路21内の平滑コンデンサ
R1 メインスイッチQ1電流検出用の抵抗
R2 オントリガ用のタイミング調整抵抗
R3 タイマ回路12内の計時設定用抵抗
R4,R5 出力電圧設定用抵抗
PH1 フィードバック用フォトカプラ
GND1 一次回路グランド
GND2 二次回路グランド
Vo 出力電圧
10 入力電圧源
11 メインスイッチQ1の制御回路
12 タイマ回路(発振周期制御回路)
21 出力平滑回路
22 出力電圧検出回路
Z/C 制御回路11内のオントリガ入力端子
F/B 制御回路11内のオン幅制御入力端子
DR 制御回路内11のメインスイッチQ1のゲート・ドライブ出力
OCP 制御回路11内の過電流検出端子
Claims (2)
- 入力電圧をトランスの一次コイルに接続し、入力電圧をスイッチ素子によりスイッチング駆動して前記トランスの二次コイルから整流回路を接続し直流電力を出力する電源装置において、前記直流出力電圧を検出しオン期間を制御するとともに、前記トランスに制御コイルを備え、前記制御コイルからの電圧信号により二次コイルの電流がゼロになったことを検出し、前記スイッチ素子をオンさせるトリガ制御回路を備え、
さらに前記制御コイルからの電圧信号により前記スイッチング素子のオン期間に発生する入力電圧と比例した負の電圧レベルにより前記計時用コンデンサをマイナス充電し、オフ期間に制御コイルに発生する出力電圧に比例した正の電圧レベルにより上記計時コンデンサをプラス充電するタイマ回路を備え、前記タイマ回路における前記制御コイル電圧のオン期間とオフ期間での演算により1周期を計時し、発振周期を制御するように構成してあることを特徴とするスイッチング電源。 - 前記タイマ回路により計時して得た計時信号と、二次コイルの電流がゼロのなったことを検出するゼロ検出信号とを排他的な構成とし、前記計時信号と前記ゼロ検出信号とのうち早いほうがオン信号として優先される制御を行うように構成してあることを特徴とする請求項1に記載のスイッチング電源。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008554043A JP4845973B2 (ja) | 2007-01-19 | 2008-01-16 | スイッチング電源 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007010125 | 2007-01-19 | ||
JP2007010125 | 2007-01-19 | ||
JP2008554043A JP4845973B2 (ja) | 2007-01-19 | 2008-01-16 | スイッチング電源 |
PCT/JP2008/050384 WO2008087951A1 (ja) | 2007-01-19 | 2008-01-16 | スイッチング電源 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008087951A1 JPWO2008087951A1 (ja) | 2010-05-06 |
JP4845973B2 true JP4845973B2 (ja) | 2011-12-28 |
Family
ID=39635955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008554043A Active JP4845973B2 (ja) | 2007-01-19 | 2008-01-16 | スイッチング電源 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8564974B2 (ja) |
JP (1) | JP4845973B2 (ja) |
KR (1) | KR101052426B1 (ja) |
WO (1) | WO2008087951A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI398763B (zh) * | 2009-07-17 | 2013-06-11 | Delta Electronics Inc | 交換式電源轉換電路及其所適用之電源供應器 |
CN104113223B (zh) * | 2014-07-29 | 2016-07-06 | 深圳市华星光电技术有限公司 | 交流-直流转换电路 |
CN115940094B (zh) * | 2023-03-10 | 2023-06-06 | 成都智融微电子有限公司 | 基于反激式开关电源的原边控制保护电路及保护方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002374672A (ja) * | 2001-06-13 | 2002-12-26 | Sanken Electric Co Ltd | スイッチング電源装置 |
JP2003224972A (ja) * | 2002-01-25 | 2003-08-08 | Murata Mfg Co Ltd | スイッチング電源装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
YU47882B (sh) * | 1989-01-25 | 1996-05-20 | Siemens Ag. | Sklop kola za slobodno oscilujući prekidački mrežni deo sa bloking oscilatorom |
JPH09205771A (ja) | 1996-01-23 | 1997-08-05 | Tamura Seisakusho Co Ltd | コンバータ回路 |
DE69814073T2 (de) * | 1998-09-23 | 2004-01-22 | Stmicroelectronics S.R.L., Agrate Brianza | Vollständig integrierte Einschaltregelschleife eines Hochspannungsleistungstransistors eines quasiresonanten Sperrwandlers |
JP3707409B2 (ja) | 2001-09-10 | 2005-10-19 | 株式会社村田製作所 | スイッチング電源装置 |
TWI474601B (zh) * | 2009-10-08 | 2015-02-21 | Acbel Polytech Inc | High conversion efficiency of the pulse mode resonant power converter |
-
2008
- 2008-01-16 KR KR1020097008476A patent/KR101052426B1/ko active IP Right Grant
- 2008-01-16 JP JP2008554043A patent/JP4845973B2/ja active Active
- 2008-01-16 US US12/523,636 patent/US8564974B2/en active Active - Reinstated
- 2008-01-16 WO PCT/JP2008/050384 patent/WO2008087951A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002374672A (ja) * | 2001-06-13 | 2002-12-26 | Sanken Electric Co Ltd | スイッチング電源装置 |
JP2003224972A (ja) * | 2002-01-25 | 2003-08-08 | Murata Mfg Co Ltd | スイッチング電源装置 |
Also Published As
Publication number | Publication date |
---|---|
KR101052426B1 (ko) | 2011-07-27 |
WO2008087951A1 (ja) | 2008-07-24 |
US8564974B2 (en) | 2013-10-22 |
US20100085779A1 (en) | 2010-04-08 |
KR20090069322A (ko) | 2009-06-30 |
JPWO2008087951A1 (ja) | 2010-05-06 |
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