JP5251391B2 - Dc/acコンバータ - Google Patents
Dc/acコンバータ Download PDFInfo
- Publication number
- JP5251391B2 JP5251391B2 JP2008241190A JP2008241190A JP5251391B2 JP 5251391 B2 JP5251391 B2 JP 5251391B2 JP 2008241190 A JP2008241190 A JP 2008241190A JP 2008241190 A JP2008241190 A JP 2008241190A JP 5251391 B2 JP5251391 B2 JP 5251391B2
- Authority
- JP
- Japan
- Prior art keywords
- type mosfet
- circuit
- switching element
- current
- switching elements
- 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
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal 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
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters
- H02M7/538—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters in a push-pull configuration
- H02M7/53803—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters in a push-pull configuration with automatic control of output voltage or current
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
- H05B41/2828—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage using control circuits for the switching elements
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/4815—Resonant converters
-
- 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)
- Inverter Devices (AREA)
- Power Conversion In General (AREA)
Description
1,1d コントロールIC
3 放電管
5 管電流検出回路
10 スタート回路
11a 定電流決定回路
12a 発振器
15 誤差増幅器
16a,16c PWMコンパレータ
17c ナンド回路
17d 論理回路
18a 第1ステップドライバ
18b 第2ステップドライバ
18c,18d ステップドライバ
19a 減算回路
20a,20b インバータ
21a,21b デットタイム作成部
Qp1,Qp2 P型MOSFET
Qn1,Qn2 N型MOSFET
R1 定電流決定抵抗
C1,C2 コンデンサ
Claims (3)
- 直流から正負対称の交流に変換して負荷に電力を供給するDC/ACコンバータであって、
トランスの一次巻線と二次巻線との少なくとも一方の巻線にコンデンサが接続され、その出力に前記負荷が接続された共振回路と、
直流電源の両端に接続され且つ前記共振回路内の前記トランスの一次巻線と前記コンデンサとに電流を流すためのブリッジ構成の複数のスイッチング素子と、
一対の駆動信号により前記複数のスイッチング素子をオン/オフさせて前記負荷に対して双方向に電流を流すことにより前記負荷に流れる電流をPWM制御する制御回路とを有し、
前記制御回路は、前記複数のスイッチング素子に対応して設けられ、前記スイッチング素子を段階的にターンオンさせる複数のステップドライブ回路を有し、
前記ステップドライブ回路は、第1P型MOSFETと第1N型MOSFETとからなる第1CMOSインバータに定電流源を直列に接続して前記スイッチング素子のゲート−ソース間しきい値電圧よりも僅かに大きい第1駆動信号を前記スイッチング素子に出力する1段目の駆動回路と、
第2P型MOSFETと第2N型MOSFETとからなる第2CMOSインバータの出力に遅延回路を接続して所定値となる第2駆動信号を前記スイッチング素子に出力する2段目の駆動回路と、
を備えることを特徴とするDC/ACコンバータ。 - 前記複数のスイッチング素子は、2つのスイッチング素子から構成されるハーフブリッジ回路であり、この2つのスイッチング素子に対応して設けられた2つのステップドライブ回路の各々は、前記スイッチング素子を段階的にターンオンさせることを特徴とする請求項1記載のDC/ACコンバータ。
- 前記複数のスイッチング素子は、直列に接続された第1ローサイドスイッチング素子及び第1ハイサイドスイッチング素子と直列に接続された第2ローサイドスイッチング素子及び第2ハイサイドスイッチング素子とから構成されるフルブリッジ回路であり、前記第1ローサイドスイッチング素子及び前記第2ローサイドスイッチング素子に対応して設けられた2つのステップドライブ回路の各々は、前記スイッチング素子を段階的にターンオンさせることを特徴とする請求項1記載のDC/ACコンバータ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008241190A JP5251391B2 (ja) | 2008-09-19 | 2008-09-19 | Dc/acコンバータ |
US12/561,765 US8315075B2 (en) | 2008-09-19 | 2009-09-17 | DC/AC converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008241190A JP5251391B2 (ja) | 2008-09-19 | 2008-09-19 | Dc/acコンバータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010074987A JP2010074987A (ja) | 2010-04-02 |
JP5251391B2 true JP5251391B2 (ja) | 2013-07-31 |
Family
ID=42037507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008241190A Expired - Fee Related JP5251391B2 (ja) | 2008-09-19 | 2008-09-19 | Dc/acコンバータ |
Country Status (2)
Country | Link |
---|---|
US (1) | US8315075B2 (ja) |
JP (1) | JP5251391B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8278782B2 (en) * | 2009-12-17 | 2012-10-02 | Maxim Integrated Products, Inc. | Active parasite power circuit |
CN101820222B (zh) * | 2010-06-18 | 2012-06-27 | 陶顺祝 | 全电压范围llc谐振变换器及控制方法 |
JP2013062717A (ja) * | 2011-09-14 | 2013-04-04 | Mitsubishi Electric Corp | 半導体装置 |
DE102014006841A1 (de) | 2014-05-13 | 2015-11-19 | Auto-Kabel Management Gmbh | Schaltungsanordnung für Kraftfahrzeuge und Verwendung einer Schaltungsanordnung |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6423770A (en) * | 1987-07-15 | 1989-01-26 | Matsushita Electric Works Ltd | Control circuit for inverter |
JPH043512A (ja) * | 1990-04-19 | 1992-01-08 | Nec Corp | 半導体装置 |
JP3614519B2 (ja) * | 1995-07-25 | 2005-01-26 | 株式会社日立製作所 | 絶縁ゲート型半導体装置の駆動方法及び装置 |
JP4160208B2 (ja) * | 1999-06-30 | 2008-10-01 | 東芝デジタルメディアエンジニアリング株式会社 | 半導体集積回路 |
EP1120896B1 (en) * | 2000-01-28 | 2005-03-23 | Densei-Lambda K.K. | Resonant power converter |
JP3588301B2 (ja) | 2000-03-09 | 2004-11-10 | 三洋電機株式会社 | ハーフブリッジ形インバータ回路 |
JP2001359279A (ja) * | 2000-06-12 | 2001-12-26 | Sony Corp | ブリッジ型dc−dcコンバータ |
CN100472926C (zh) * | 2004-05-07 | 2009-03-25 | 松下电器产业株式会社 | 共振型开关电源装置 |
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 |
JP2008091306A (ja) * | 2006-10-05 | 2008-04-17 | Sanken Electric Co Ltd | 放電管点灯装置の周波数同期化方法及び放電管点灯装置並びに半導体集積回路 |
JP2010074945A (ja) | 2008-09-18 | 2010-04-02 | Sanken Electric Co Ltd | Dc/acコンバータ及びその制御回路 |
-
2008
- 2008-09-19 JP JP2008241190A patent/JP5251391B2/ja not_active Expired - Fee Related
-
2009
- 2009-09-17 US US12/561,765 patent/US8315075B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20100073976A1 (en) | 2010-03-25 |
US8315075B2 (en) | 2012-11-20 |
JP2010074987A (ja) | 2010-04-02 |
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