JP2009169785A - ボルテージレギュレータ - Google Patents
ボルテージレギュレータ Download PDFInfo
- Publication number
- JP2009169785A JP2009169785A JP2008008666A JP2008008666A JP2009169785A JP 2009169785 A JP2009169785 A JP 2009169785A JP 2008008666 A JP2008008666 A JP 2008008666A JP 2008008666 A JP2008008666 A JP 2008008666A JP 2009169785 A JP2009169785 A JP 2009169785A
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- Prior art keywords
- circuit
- output
- current
- voltage regulator
- voltage
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- 238000001514 detection method Methods 0.000 claims description 17
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000013021 overheating Methods 0.000 abstract 3
- 230000015556 catabolic process Effects 0.000 abstract 1
- 230000004927 fusion Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 2
- 238000007600 charging Methods 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is DC
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
- F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/15—Thermal insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
- F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S323/00—Electricity: power supply or regulation systems
- Y10S323/907—Temperature compensation of semiconductor
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S323/00—Electricity: power supply or regulation systems
- Y10S323/908—Inrush current limiters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
- Emergency Protection Circuit Devices (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
【解決手段】 過熱保護回路13を備えているボルテージレギュレータで、過熱検出時の出力電流が停止されている状態から、過熱解除直後に発生する突入電流も出力電流制限回路1または出力電流制限回路2によって制限できる。また、過大な突入電流を制限することで、ワイヤーボンディングの溶断による破壊を防ぐ効果がある。
【選択図】 図1
Description
Claims (1)
- 入力電圧から定電圧を生成するボルテージレギュレータにおいて、
前記入力電圧の立ち上がりを検出する検出回路と、
ボルテージレギュレータの温度が所定温度以上になると、ボルテージレギュレータの過熱状態を検出し、ボルテージレギュレータの温度が前記所定温度未満になると、ボルテージレギュレータの通常状態を検出する過熱保護回路と、
ボルテージレギュレータが前記過熱状態になった後に前記通常状態になる時及び前記入力電圧が立ち上がり始める時からの経過時間が所定時間未満であり、出力電流が一の電流制限値以上になった場合、前記出力電流が前記一の電流制限値未満になるよう出力回路を制御する第一出力電流制限回路と、
前記経過時間が前記所定時間以上であり、前記出力電流が前記一の電流制限値よりも高い他の電流制限値以上になった場合、前記出力電流が前記他の電流制限値未満になるよう前記出力回路を制御する第二出力電流制限回路と、
を備えることを特徴とするボルテージレギュレータ。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008008666A JP2009169785A (ja) | 2008-01-18 | 2008-01-18 | ボルテージレギュレータ |
| TW098100632A TWI448869B (zh) | 2008-01-18 | 2009-01-09 | Voltage regulator |
| KR1020090003223A KR20090079816A (ko) | 2008-01-18 | 2009-01-15 | 전압 조정기 |
| CN2009100024452A CN101488711B (zh) | 2008-01-18 | 2009-01-16 | 稳压器 |
| US12/321,316 US7768339B2 (en) | 2008-01-18 | 2009-01-16 | Voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008008666A JP2009169785A (ja) | 2008-01-18 | 2008-01-18 | ボルテージレギュレータ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2009169785A true JP2009169785A (ja) | 2009-07-30 |
Family
ID=40875981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008008666A Withdrawn JP2009169785A (ja) | 2008-01-18 | 2008-01-18 | ボルテージレギュレータ |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7768339B2 (ja) |
| JP (1) | JP2009169785A (ja) |
| KR (1) | KR20090079816A (ja) |
| CN (1) | CN101488711B (ja) |
| TW (1) | TWI448869B (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012208868A (ja) * | 2011-03-30 | 2012-10-25 | Seiko Instruments Inc | ボルテージレギュレータ |
| JP2016134084A (ja) * | 2015-01-21 | 2016-07-25 | エスアイアイ・セミコンダクタ株式会社 | ボルテージレギュレータ |
| JP2018055545A (ja) * | 2016-09-30 | 2018-04-05 | ミツミ電機株式会社 | レギュレータ用半導体集積回路 |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8159284B2 (en) * | 2005-07-01 | 2012-04-17 | Semiconductor Components Industries, Llc | Method for regulating temperature and circuit therefor |
| KR100898654B1 (ko) * | 2007-12-28 | 2009-05-22 | 주식회사 하이닉스반도체 | 온도 감지 장치 |
| WO2010050917A1 (en) * | 2008-10-31 | 2010-05-06 | Moog Inc. | Power supplies with testable current limiters, and methods of operating same |
| US8985850B1 (en) * | 2009-10-30 | 2015-03-24 | Cypress Semiconductor Corporation | Adaptive gate driver strength control |
| KR101153651B1 (ko) * | 2010-12-30 | 2012-06-18 | 삼성전기주식회사 | 멀티 전압 레귤레이터 |
| JP2013130937A (ja) * | 2011-12-20 | 2013-07-04 | Ricoh Co Ltd | 定電圧回路及び電子機器 |
| JP2013190932A (ja) * | 2012-03-13 | 2013-09-26 | Seiko Instruments Inc | ボルテージレギュレータ |
| JP6271513B2 (ja) * | 2012-04-20 | 2018-01-31 | ヴィシェイ−シリコニックス | 電流制限システム及び方法 |
| US8836404B2 (en) | 2012-08-02 | 2014-09-16 | Vishay-Siliconix | Circuit for preventing reverse conduction |
| US9041367B2 (en) * | 2013-03-14 | 2015-05-26 | Freescale Semiconductor, Inc. | Voltage regulator with current limiter |
| CN107271756B (zh) * | 2014-12-04 | 2019-12-17 | 杰华特微电子(杭州)有限公司 | 负载电压检测电路及方法 |
| US10715125B2 (en) | 2014-12-04 | 2020-07-14 | Joulwatt Technology (Hangzhou) Co., LTD | Circuit and method for detecting current zero-crossing point and circuit and method for detecting load voltage |
| JP6630557B2 (ja) * | 2015-12-07 | 2020-01-15 | エイブリック株式会社 | ボルテージレギュレータ |
| CN109196444B (zh) * | 2016-06-02 | 2021-02-05 | 日本瑞翁株式会社 | 环境发电装置及电流控制电路 |
| CN108832900B (zh) | 2018-05-31 | 2024-07-12 | 北京集创北方科技股份有限公司 | 运算放大电路及其过流保护方法 |
| EP3591494A1 (en) * | 2018-07-02 | 2020-01-08 | Nxp B.V. | Current limitation for voltage regulator |
| TWI773137B (zh) * | 2021-02-17 | 2022-08-01 | 新唐科技股份有限公司 | 供應電壓偵測電路與使用其的電路系統 |
| US20250110171A1 (en) * | 2023-10-03 | 2025-04-03 | Texas Instruments Incorporated | Current limit testing system for a transistor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003271251A (ja) * | 2002-03-19 | 2003-09-26 | Ricoh Co Ltd | ボルテージレギュレータ |
| JP2004147437A (ja) * | 2002-10-24 | 2004-05-20 | Denso Corp | 多出力電源装置及び車載電子制御装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4526401A (en) * | 1982-11-30 | 1985-07-02 | Atsugi Motor Parts Co., Ltd. | Electronic control system for adjustable shock absorbers |
| JP3241279B2 (ja) * | 1996-11-14 | 2001-12-25 | 株式会社日立製作所 | 保護機能付きスイッチ回路 |
| KR20010085986A (ko) * | 1998-10-30 | 2001-09-07 | 추후제출 | 디지털 전압 조정을 위한 장치 및 방법 |
| TW562321U (en) * | 2002-03-19 | 2003-11-11 | Richtek Technology Corp | Circuit protection device |
| JP3693625B2 (ja) * | 2002-04-15 | 2005-09-07 | 沖電気工業株式会社 | 過電流保護回路およびその集積回路 |
| US6865063B2 (en) * | 2002-11-12 | 2005-03-08 | Semiconductor Components Industries, Llc | Integrated inrush current limiter circuit and method |
| JP4401183B2 (ja) * | 2004-02-03 | 2010-01-20 | Necエレクトロニクス株式会社 | 半導体集積回路 |
| EP1821451B1 (en) * | 2006-02-17 | 2013-01-16 | Broadcom Corporation | Current-monitoring apparatus |
| JP2008026947A (ja) * | 2006-07-18 | 2008-02-07 | Seiko Instruments Inc | ボルテージレギュレータ |
| KR100900267B1 (ko) * | 2007-08-06 | 2009-05-29 | (주)태진기술 | 초저전압 강하형 전압 레귤레이터 |
-
2008
- 2008-01-18 JP JP2008008666A patent/JP2009169785A/ja not_active Withdrawn
-
2009
- 2009-01-09 TW TW098100632A patent/TWI448869B/zh not_active IP Right Cessation
- 2009-01-15 KR KR1020090003223A patent/KR20090079816A/ko not_active Ceased
- 2009-01-16 CN CN2009100024452A patent/CN101488711B/zh not_active Expired - Fee Related
- 2009-01-16 US US12/321,316 patent/US7768339B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003271251A (ja) * | 2002-03-19 | 2003-09-26 | Ricoh Co Ltd | ボルテージレギュレータ |
| JP2004147437A (ja) * | 2002-10-24 | 2004-05-20 | Denso Corp | 多出力電源装置及び車載電子制御装置 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012208868A (ja) * | 2011-03-30 | 2012-10-25 | Seiko Instruments Inc | ボルテージレギュレータ |
| JP2016134084A (ja) * | 2015-01-21 | 2016-07-25 | エスアイアイ・セミコンダクタ株式会社 | ボルテージレギュレータ |
| JP2018055545A (ja) * | 2016-09-30 | 2018-04-05 | ミツミ電機株式会社 | レギュレータ用半導体集積回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090079816A (ko) | 2009-07-22 |
| US20090184748A1 (en) | 2009-07-23 |
| CN101488711A (zh) | 2009-07-22 |
| CN101488711B (zh) | 2013-12-25 |
| US7768339B2 (en) | 2010-08-03 |
| TW200944977A (en) | 2009-11-01 |
| TWI448869B (zh) | 2014-08-11 |
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