JP5998739B2 - レギュレータ装置 - Google Patents
レギュレータ装置 Download PDFInfo
- Publication number
- JP5998739B2 JP5998739B2 JP2012181669A JP2012181669A JP5998739B2 JP 5998739 B2 JP5998739 B2 JP 5998739B2 JP 2012181669 A JP2012181669 A JP 2012181669A JP 2012181669 A JP2012181669 A JP 2012181669A JP 5998739 B2 JP5998739 B2 JP 5998739B2
- Authority
- JP
- Japan
- Prior art keywords
- fet
- regulator
- monitoring
- control unit
- regulators
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Power Conversion In General (AREA)
Description
図1は、DMOSトランジスタにおけるオン抵抗値の経時変化を示す図である。
以上の実施の形態に関し、さらに以下の付記を開示する。
(付記1)
電力入力端子と、
電力出力端子と、
動作用FETと、前記動作用FETとともに駆動されるモニタ用FETとを有し、前記電力入力端子と前記電力出力端子の間に並列に配設される複数のレギュレータと、
前記複数のレギュレータに含まれる前記モニタ用FETが劣化したか否かを判定する判定部と、
前記判定部によって劣化したと判定されたモニタ用FETを含むレギュレータを、劣化の生じていないレギュレータと切り替える切替制御部と
を含む、レギュレータ装置。
(付記2)
前記判定部は、前記モニタ用FETのオン抵抗値に基づいて、前記モニタ用FETが劣化したか否かを判定する、付記1記載のレギュレータ装置。
(付記3)
前記動作用FETと前記モニタ用FETの駆動制御を行う駆動制御部をさらに含み、
前記駆動制御部は、前記モニタ用FETの劣化診断を行わない通常動作時は、前記動作用FETと前記モニタ用FETとを同一の駆動信号でスイッチングし、前記モニタ用FETの劣化診断を行う際は、前記動作用FETをスイッチングするとともに、前記モニタ用FETをオン状態に保持する、付記2記載のレギュレータ装置。
(付記4)
前記モニタ用FETの劣化診断用のオン抵抗の閾値を表す閾値データを格納する格納部をさらに含み、
前記判定部は、前記格納部に格納される閾値データが表す閾値と、前記モニタ用FETのオン抵抗値とを比較することによって前記モニタ用FETが劣化したか否かを判定する、付記2又は3記載のレギュレータ装置。
101 電力入力端子
102 電力出力端子
10A、10B、10C レギュレータ
13A、13B、13C、13D 動作用FET
14 モニタ用FET
50 コントローラIC
52 主制御部
521 駆動制御部
522 劣化判定部
523 切替制御部
Claims (2)
- 電力入力端子と、
電力出力端子と、
動作用FETと、前記動作用FETとともに駆動されるモニタ用FETとを有し、前記電力入力端子と前記電力出力端子の間に並列に配設される複数のレギュレータと、
前記複数のレギュレータに含まれる前記モニタ用FETが劣化したか否かを判定する判定部と、
前記判定部によって劣化したと判定されたモニタ用FETを含むレギュレータを、劣化の生じていないレギュレータと切り替える切替制御部と、
前記動作用FETと前記モニタ用FETの駆動制御を行う駆動制御部と
前記判定部は、前記モニタ用FETのオン抵抗値に基づいて、前記モニタ用FETが劣化したか否かを判定し、
前記駆動制御部は、前記モニタ用FETの劣化診断を行わない通常動作時は、前記動作用FETと前記モニタ用FETとを同一の駆動信号でスイッチングし、前記モニタ用FETの劣化診断を行う際は、前記動作用FETをスイッチングするとともに、前記モニタ用FETをオン状態に保持する、レギュレータ装置。 - 前記モニタ用FETの劣化診断用のオン抵抗の閾値を表す閾値データを格納する格納部をさらに含み、
前記判定部は、前記格納部に格納される閾値データが表す閾値と、前記モニタ用FETのオン抵抗値とを比較することによって前記モニタ用FETが劣化したか否かを判定する、請求項1記載のレギュレータ装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012181669A JP5998739B2 (ja) | 2012-08-20 | 2012-08-20 | レギュレータ装置 |
US13/929,069 US9197130B2 (en) | 2012-08-20 | 2013-06-27 | Regulator device having degradation detection |
CN201310286567.5A CN103630817A (zh) | 2012-08-20 | 2013-07-09 | 调节器装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012181669A JP5998739B2 (ja) | 2012-08-20 | 2012-08-20 | レギュレータ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014039442A JP2014039442A (ja) | 2014-02-27 |
JP5998739B2 true JP5998739B2 (ja) | 2016-09-28 |
Family
ID=50099615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012181669A Expired - Fee Related JP5998739B2 (ja) | 2012-08-20 | 2012-08-20 | レギュレータ装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9197130B2 (ja) |
JP (1) | JP5998739B2 (ja) |
CN (1) | CN103630817A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016201596A1 (de) | 2016-02-03 | 2017-08-03 | Robert Bosch Gmbh | Alterungsdetektor für eine elektrische Schaltungskomponente, Verfahren zur Überwachung einer Alterung einer Schaltungskomponente, Bauelement und Steuergerät |
US9882490B2 (en) * | 2016-05-20 | 2018-01-30 | Texas Instruments Incorporated | Parallel high side switches for a buck converter |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3224744B2 (ja) * | 1996-07-08 | 2001-11-05 | 富士通株式会社 | 降圧型dc−dcレギュレータ |
JPH10285914A (ja) * | 1997-03-31 | 1998-10-23 | Fujitsu Ltd | 整流回路 |
US6281666B1 (en) * | 2000-03-14 | 2001-08-28 | Advanced Micro Devices, Inc. | Efficiency of a multiphase switching power supply during low power mode |
JP4179491B2 (ja) * | 2000-04-25 | 2008-11-12 | 株式会社ルネサステクノロジ | 半導体装置及びその製造方法、ならびにその特性評価方法 |
EP1703625A2 (en) * | 2005-03-18 | 2006-09-20 | Fujitsu Limited | Direct DC Converter |
JP4989901B2 (ja) * | 2006-02-01 | 2012-08-01 | 株式会社リコー | 半導体装置及びオン抵抗測定方法 |
JP2007288846A (ja) * | 2006-04-13 | 2007-11-01 | Oki Electric Ind Co Ltd | マルチ出力電源装置 |
EP2330728A4 (en) * | 2008-09-22 | 2014-11-26 | Fujitsu Ltd | POWER CONTROL, POWER SUPPLY UNIT, POWER SUPPLY SYSTEM AND POWER CONTROLLER PROCEDURE |
JP2011071174A (ja) | 2009-09-24 | 2011-04-07 | Renesas Electronics Corp | 半導体装置、及び半導体装置の特性劣化検出方法 |
JP5610565B2 (ja) * | 2009-10-06 | 2014-10-22 | ローム株式会社 | 降圧型スイッチングレギュレータ及びそれに用いる半導体集積回路装置 |
JP5274429B2 (ja) * | 2009-11-03 | 2013-08-28 | 三菱電機株式会社 | 車載レーダ装置用の電源装置 |
US8183848B2 (en) * | 2010-01-21 | 2012-05-22 | Anpec Electronics Corporation | Switching regulator and constant frequency compensating circuit for fixing operating frequency |
JP5545062B2 (ja) * | 2010-06-21 | 2014-07-09 | 富士通株式会社 | レギュレータ装置 |
JP2012073131A (ja) * | 2010-09-29 | 2012-04-12 | Sanken Electric Co Ltd | 電流検出回路 |
US9494657B2 (en) * | 2012-10-16 | 2016-11-15 | University Of Utah Research Foundation | State of health estimation of power converters |
-
2012
- 2012-08-20 JP JP2012181669A patent/JP5998739B2/ja not_active Expired - Fee Related
-
2013
- 2013-06-27 US US13/929,069 patent/US9197130B2/en not_active Expired - Fee Related
- 2013-07-09 CN CN201310286567.5A patent/CN103630817A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US9197130B2 (en) | 2015-11-24 |
US20140049242A1 (en) | 2014-02-20 |
CN103630817A (zh) | 2014-03-12 |
JP2014039442A (ja) | 2014-02-27 |
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