JP5588393B2 - 同期整流型コンバータ、その試験システム - Google Patents
同期整流型コンバータ、その試験システム Download PDFInfo
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- JP5588393B2 JP5588393B2 JP2011104330A JP2011104330A JP5588393B2 JP 5588393 B2 JP5588393 B2 JP 5588393B2 JP 2011104330 A JP2011104330 A JP 2011104330A JP 2011104330 A JP2011104330 A JP 2011104330A JP 5588393 B2 JP5588393 B2 JP 5588393B2
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- voltage
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- 230000001360 synchronised effect Effects 0.000 title claims description 61
- 238000012360 testing method Methods 0.000 title claims description 56
- 238000001514 detection method Methods 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 15
- 239000003990 capacitor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
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- 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
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Description
Claims (2)
- 入出力を絶縁するトランスと、
前記トランスの二次側に接続されるスイッチング素子と、
前記スイッチング素子に接続されるLCフィルタと、
前記スイッチング素子と前記LCフィルタとの間のノードに接続されるFETと、
本同期整流型コンバータの出力電圧を監視して過電圧を検出する過電圧保護回路と、
前記FETをオフするための信号を供給する同期整流停止回路と、を備え、
前記同期整流停止回路は、
前記トランスの2次側の入力電圧を整流する第1ダイオードと、
前記第1ダイオードにより整流された電圧を平滑化するRCフィルタと、
前記RCフィルタの出力電圧を検出する検出回路と、を含み、
前記検出回路は、前記出力電圧の低下に応じて、前記FETのゲート電圧を低下させることを特徴とする同期整流型コンバータ。 - 請求項1に記載の同期整流型コンバータと、
前記同期整流型コンバータの出力端子に試験用の電圧を印加する外部電源装置と、
前記過電圧保護回路の動作を試験する過電圧試験装置と、
を備えることを特徴とする同期整流型コンバータの試験システム。
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JP2011104330A JP5588393B2 (ja) | 2011-05-09 | 2011-05-09 | 同期整流型コンバータ、その試験システム |
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JP2011104330A JP5588393B2 (ja) | 2011-05-09 | 2011-05-09 | 同期整流型コンバータ、その試験システム |
Publications (2)
Publication Number | Publication Date |
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JP2012235663A JP2012235663A (ja) | 2012-11-29 |
JP5588393B2 true JP5588393B2 (ja) | 2014-09-10 |
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JP2011104330A Active JP5588393B2 (ja) | 2011-05-09 | 2011-05-09 | 同期整流型コンバータ、その試験システム |
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JP (1) | JP5588393B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5874458B2 (ja) * | 2012-03-15 | 2016-03-02 | 沖電気工業株式会社 | 同期整流電源装置 |
EP4175096A1 (en) * | 2021-11-02 | 2023-05-03 | Continental Automotive Technologies GmbH | Overvoltage protection circuit and electrical device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000324818A (ja) * | 1999-05-12 | 2000-11-24 | Fuji Electric Co Ltd | 電源装置 |
JP2007318909A (ja) * | 2006-05-25 | 2007-12-06 | Nec Computertechno Ltd | スイッチング電源及びその電源制御部 |
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JP2012235663A (ja) | 2012-11-29 |
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