JP2016051222A - 電源回路及びその制御方法 - Google Patents
電源回路及びその制御方法 Download PDFInfo
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- JP2016051222A JP2016051222A JP2014174540A JP2014174540A JP2016051222A JP 2016051222 A JP2016051222 A JP 2016051222A JP 2014174540 A JP2014174540 A JP 2014174540A JP 2014174540 A JP2014174540 A JP 2014174540A JP 2016051222 A JP2016051222 A JP 2016051222A
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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
- H02M3/02—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
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- 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
- G05F1/563—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 including two stages of regulation at least one of which is output level responsive, e.g. coarse and fine regulation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F5/00—Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
-
- 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
- H02M1/0045—Converters combining the concepts of switch-mode regulation and linear regulation, e.g. linear pre-regulator to switching converter, linear and switching converter in parallel, same converter or same transistor operating either in linear or switching mode
-
- 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
- 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
- H02M3/1588—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 comprising at least one synchronous rectifier element
-
- 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
Abstract
【解決手段】電源回路1は、電源電圧が入力される電源端子20、スイッチ回路40及び、キャパシタとインダクタを備えスイッチ回路40に接続されてスイッチ回路40からの出力を平滑化して第1の電圧を出力する平滑化回路50を備えたスイッチングレギュレータ60、スイッチ回路40と平滑化回路50とシリーズレギュレータ70とがこの順番で直列に接続され,シリーズレギュレータ70に電源電圧を供給する切替回路80、シリーズレギュレータ70から第2の電圧を出力させる動作状態とスイッチングレギュレータ60とシリーズレギュレータ70とを休止させる制御部90から構成され、制御部90は動作状態中の電源電圧の測定結果に基づいて休止状態時の切替回路80のオンオフ制御を行う。
【選択図】図1
Description
ジスタ41の他端に接続されるインダクタL1と、一端がインダクタL1に接続され、他端が接地されているキャパシタC1とを有する。インダクタL1としては例えば10μH程度のインダクタンスを有し、キャパシタC1としては10μF程度のキャパシタンスを有する。
Claims (7)
- 電源電圧が入力される電源端子と、前記電源端子に接続されるスイッチ回路と、キャパシタとインダクタとを備え、当該スイッチ回路に接続されて該スイッチ回路からの出力を平滑化して第1の電圧を出力する平滑化回路と、を備えたスイッチングレギュレータと、前記スイッチングレギュレータに接続され、前記第1の電圧又は前記電源が入力されて第2の電圧を出力するシリーズレギュレータであって、前記スイッチ回路と前記平滑化回路と該シリーズレギュレータとがこの順番で直列に接続される当該シリーズレギュレータと、一端が前記電源端子に接続され、他端が前記スイッチングレギュレータと前記シリーズレギュレータとの間に接続されて当該シリーズレギュレータに前記電源電圧を供給する切替部と、前記シリーズレギュレータから前記第2の電圧を出力させる動作状態と該スイッチングレギュレータと該シリーズレギュレータとを休止させる休止状態とを制御する制御信号を出力する制御部であって、当該動作状態中に前記電源電圧を測定し、該測定結果に基づいて該休止状態時の前記切替部のオンオフ制御を行う切替信号を出力する当該制御部と、を有することを特徴とする電源回路。
- 請求項1に記載の電源回路において、前記制御部は、前記休止状態から前記動作状態へ移行するときに前記休止状態時に出力された前記切替信号に基づきその後前記スイッチングレギュレータと前記シリーズレギュレータそれぞれのオンオフ制御を行う動作信号を出力することを特徴とする電源回路。
- 請求項1又は請求項2に記載の電源回路において、前記制御部は、測定した前記電源電圧が所定の電圧値より大きい場合には前記切替回路をオフとし、該所定の電圧値以下の場合には該切替回路をオンとして前記休止状態へ移行する切替信号を出力することを特徴とする電源回路。
- 請求項2又は請求項3に記載の電源回路において、前記制御部は、前記休止状態から前記動作状態へ移行するときに、測定した前記電源電圧が所定の電圧値より大きい場合には、前記スイッチングレギュレータ及び前記シリーズレギュレータを起動させ、該所定の電圧値以下の場合には該スイッチングレギュレータを休止させかつ該シリーズレギュレータを起動させる前記動作信号を出力することを特徴とする電源回路。
- 請求項1乃至請求項4のいずれか1項に記載の電源回路において、前記スイッチングレギュレータの前記スイッチ回路は、ソース電極及びドレイン電極が前記電源端子及び前記インダクタに接続された第1導電型の第1のトランジスタと、ソース電極及びドレイン電極が前記インダクタ及び接地電位とに接続された、前記第1導電型とは異なる第2導電型の第2のトランジスタと、前記第1のトランジスタのゲート電極及び前記第2のトランジスタのゲート電極を制御するパルス発生回路と、前記電源電圧に基づく第1の基準電圧と前記平滑化回路からの前記第1の電圧とが入力され、該基準電圧と該第1の電圧との比較結果を前記パルス発生回路へ出力する比較回路と、を備え、前記制御部は、前記パルス発生回路に前記制御信号を出力して前記スイッチングレギュレータの制御を行うことを特徴とする電源回路。
- 請求項1乃至請求項5のいずれか1項に記載の電源回路において、前記シリーズレギュレータは、前記スイッチングレギュレータ及び前記切替回路に接続され、前記第2の電圧を出力する出力トランジスタと、前記電源電圧に基づく第2の基準電圧と前記第2の電圧とが入力され、前記出力トランジスタのゲート電極に制御電圧を出力する演算増幅器と、を備え、前記制御部は、前記演算増幅器に前記制御信号を出力して前記シリーズレギュレータの制御を行うことを特徴とする電源回路。
- 電源電圧が入力される電源端子と、前記電源端子に接続されるスイッチ回路と、キャパシタとインダクタとを備え、当該スイッチ回路に接続されて該スイッチ回路からの出力を平滑化して第1の電圧を出力する平滑化回路と、を備えたスイッチングレギュレータと、前記スイッチングレギュレータに接続され、前記第1の電圧又は前記電源が入力されて第2の電圧を出力するシリーズレギュレータであって、前記スイッチ回路と前記平滑化回路と該シリーズレギュレータとがこの順番で直列に接続される当該シリーズレギュレータと、一端が前記電源端子に接続され、他端が前記スイッチングレギュレータと前記シリーズレギュレータとの間に接続されて当該シリーズレギュレータに前記電源電圧を供給する切替部と、を有する電源回路の制御方法であって、動作状態にあるときに前記電源電圧を測定し、前記動作状態から休止状態へ移行する場合に、測定された前記電源電圧と所定の電圧とを比較し、該所定の電圧より大きい場合には、前記スイッチングレギュレータと前記シリーズレギュレータとを休止状態とするとともに前記切替部をオフとし、該所定の電圧以下の場合には該スイッチングレギュレータと該シリーズレギュレータとを休止状態とするとともに前記切替部をオンとして該休止状態へ移行することを特徴とする電源回路の制御方法。
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JP2014174540A JP6352733B2 (ja) | 2014-08-28 | 2014-08-28 | 電源回路及びその制御方法 |
US14/833,198 US9407146B2 (en) | 2014-08-28 | 2015-08-24 | Power source circuit and method of controlling power source circuit |
CN201510538291.4A CN106208685B (zh) | 2014-08-28 | 2015-08-28 | 电源电路及其控制方法 |
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CN111580431A (zh) * | 2020-05-08 | 2020-08-25 | 北京中电华大电子设计有限责任公司 | 一种mcu中的电源快速唤醒电路和方法 |
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JP2009177909A (ja) * | 2008-01-23 | 2009-08-06 | Denso Corp | 電子制御装置及び電源装置 |
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JP2003216247A (ja) | 2002-01-24 | 2003-07-31 | Ricoh Co Ltd | 直流安定化電源装置 |
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- 2015-08-24 US US14/833,198 patent/US9407146B2/en active Active
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JP2006034025A (ja) * | 2004-07-20 | 2006-02-02 | Sharp Corp | 直流安定化電源装置 |
JP2008061328A (ja) * | 2006-08-30 | 2008-03-13 | Fujitsu Ltd | 電子機器 |
JP2009055158A (ja) * | 2007-08-24 | 2009-03-12 | Yokogawa Electric Corp | 電池駆動無線機器 |
JP2009177909A (ja) * | 2008-01-23 | 2009-08-06 | Denso Corp | 電子制御装置及び電源装置 |
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JP6352733B2 (ja) | 2018-07-04 |
US9407146B2 (en) | 2016-08-02 |
CN106208685B (zh) | 2019-08-16 |
US20160065050A1 (en) | 2016-03-03 |
CN106208685A (zh) | 2016-12-07 |
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