JP2019092244A - 電源装置 - Google Patents
電源装置 Download PDFInfo
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- JP2019092244A JP2019092244A JP2017217874A JP2017217874A JP2019092244A JP 2019092244 A JP2019092244 A JP 2019092244A JP 2017217874 A JP2017217874 A JP 2017217874A JP 2017217874 A JP2017217874 A JP 2017217874A JP 2019092244 A JP2019092244 A JP 2019092244A
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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
- 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
-
- 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
- G05F1/02—Regulating electric characteristics of arcs
-
- 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
- H02M3/157—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 with digital control
-
- 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
-
- 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
- H02M1/0009—Devices or circuits for detecting current in a converter
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
- Amplifiers (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
【解決手段】入力電圧Vinをスイッチング素子5aでスイッチングして変換して、負荷LDが接続される出力端子3a,3bに出力電流Ioを供給する電力変換部5と、出力電流Ioを検出して出力電流Ioの変化に応じて電圧値が変化する検出電圧Viを出力する電流検出部7と、検出電圧Viを入力すると共に検出電圧Viに対する補正を実行して、出力電流Ioの電流値に対応した電圧値の電流補正検出信号Vopを生成して出力する信号補正部8と、電流補正検出信号Vopを入力してバランス端子4に出力する抵抗9と、電流補正検出信号Vopとバランス端子4に発生するバランス電圧Vblとを入力すると共に、電流補正検出信号Vopとバランス電圧Vblの各電圧値の差分を減少させるようにスイッチング素子5aのスイッチング動作を制御する制御部CNTとを備えている。
【選択図】図1
Description
3a,3b 出力端子
4 バランス端子
5 電力変換部
5a スイッチング素子
7 電流検出部
8 信号補正部
9 抵抗(突き合わせ回路部)
14 スイッチング制御部
CNT 制御部
Io 出力電流
LD 負荷
Vi 検出電圧
Vin 入力電圧
Vo 出力電圧
Vop 電流補正検出信号
Claims (4)
- 入力電圧をスイッチング素子でスイッチングして変換して、負荷が接続される出力端子に出力電圧および出力電流を供給する電力変換部と、
前記出力電流または当該出力電流に応じて変化する電流を検出して当該出力電流の変化に応じて電圧値が変化する電流検出信号を出力する電流検出部と、
前記電流検出信号を入力すると共に当該電流検出信号に対する補正を実行して、前記出力電流の電流値に対応した電圧値の電流補正検出信号を生成して出力する信号補正部と、
前記電流補正検出信号を入力してバランス端子に出力する突き合わせ回路部と、
前記電流補正検出信号と前記バランス端子に発生するバランス電圧信号とを入力すると共に、当該電流補正検出信号と当該バランス電圧信号の各電圧値の差分を減少させるように前記スイッチング素子のスイッチング動作を制御する制御部とを備えている電源装置。 - 前記信号補正部は、
前記電流検出信号を入力すると共に、前記電流検出部において当該電流検出信号に生じる検出誤差分を補正した電流検出基準信号を出力する基準信号出力部と、
前記電流補正検出信号を入力すると共に増幅して増幅検出信号を出力する増幅部と、
前記電流検出基準信号および前記増幅検出信号を入力すると共に、当該電流検出基準信号と当該増幅検出信号との差分に基づいて前記電流補正検出信号の前記電圧値を制御して、当該増幅検出信号を当該電流検出基準信号に一致させる電圧制御部とを備えている請求項1記載の電源装置。 - 前記基準信号出力部は、前記電流検出信号の前記電圧値を示す第1電圧情報に当該電流検出信号を変換するA/D変換部と、予め規定された補正情報に基づいて前記第1電圧情報を補正して前記電流検出基準信号の電圧値を示す基準信号情報を算出する基準信号演算部とを備え、
前記増幅部は、前記電流補正検出信号の電圧値を示す第2電圧情報に当該電流補正検出信号を変換するA/D変換部と、当該第2電圧情報および予め規定された増幅情報に基づいて前記増幅検出信号の電圧値を示す増幅信号情報を算出する増幅信号演算部とを備え、
前記電圧制御部は、前記基準信号情報および前記増幅信号情報を入力して、当該基準信号情報と当該増幅信号情報との差分を算出する差分演算部と、当該算出した差分に応じてデューティ比が変化する制御パルス電圧および当該算出した差分に応じて電圧値が変化する制御電圧のうちのいずれか一方の電圧を発生させる制御電圧発生部とを備えると共に、当該一方の電圧に基づいて前記電流補正検出信号の前記電圧値を制御する請求項2記載の電源装置。 - 前記基準信号出力部、前記増幅部および前記制御電圧発生部は、マイコンおよびデジタルシグナルプロセッサのうちのいずれか一方で構成されている請求項3記載の電源装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017217874A JP7000804B2 (ja) | 2017-11-13 | 2017-11-13 | 電源装置 |
| CN201811086984.4A CN109782053B (zh) | 2017-11-13 | 2018-09-18 | 电源装置 |
| US16/136,904 US10454374B2 (en) | 2017-11-13 | 2018-09-20 | Power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017217874A JP7000804B2 (ja) | 2017-11-13 | 2017-11-13 | 電源装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2019092244A true JP2019092244A (ja) | 2019-06-13 |
| JP7000804B2 JP7000804B2 (ja) | 2022-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2017217874A Active JP7000804B2 (ja) | 2017-11-13 | 2017-11-13 | 電源装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10454374B2 (ja) |
| JP (1) | JP7000804B2 (ja) |
| CN (1) | CN109782053B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12413151B2 (en) | 2022-05-24 | 2025-09-09 | Tdk Corporation | Power conversion system with increased detection accuracy |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7068220B2 (ja) * | 2019-03-18 | 2022-05-16 | ファナック株式会社 | 操作スイッチに応じたディジタル信号を出力するディジタル信号出力装置 |
| WO2021240192A1 (ja) * | 2020-05-28 | 2021-12-02 | 日産自動車株式会社 | 電流検出装置及び電流検出方法 |
| TWI748525B (zh) * | 2020-06-18 | 2021-12-01 | 康舒科技股份有限公司 | 提升均流調校精準度的電源供應裝置 |
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| JP2005086883A (ja) * | 2003-09-08 | 2005-03-31 | Hitachi Ltd | 過電圧保護回路とこれを利用する電源、電源システム及び電子装置 |
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| JP2016131458A (ja) * | 2015-01-14 | 2016-07-21 | Fdk株式会社 | バランス機能を持つフロート充電用の電源システム |
| US20160211745A1 (en) * | 2015-01-16 | 2016-07-21 | Silergy Semiconductor Technology (Hangzhou) Ltd | Multi-phase paralled converter and controllng method therefor |
| WO2017094402A1 (ja) * | 2015-11-30 | 2017-06-08 | 株式会社村田製作所 | スイッチング電源装置及び誤差補正方法 |
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2017
- 2017-11-13 JP JP2017217874A patent/JP7000804B2/ja active Active
-
2018
- 2018-09-18 CN CN201811086984.4A patent/CN109782053B/zh active Active
- 2018-09-20 US US16/136,904 patent/US10454374B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11296237A (ja) * | 1998-04-14 | 1999-10-29 | Oki Electric Ind Co Ltd | 電源装置 |
| JP2005086883A (ja) * | 2003-09-08 | 2005-03-31 | Hitachi Ltd | 過電圧保護回路とこれを利用する電源、電源システム及び電子装置 |
| JP2014099995A (ja) * | 2012-11-14 | 2014-05-29 | Cosel Co Ltd | スイッチング電源装置及びそれを用いた電源システム |
| JP2016131458A (ja) * | 2015-01-14 | 2016-07-21 | Fdk株式会社 | バランス機能を持つフロート充電用の電源システム |
| US20160211745A1 (en) * | 2015-01-16 | 2016-07-21 | Silergy Semiconductor Technology (Hangzhou) Ltd | Multi-phase paralled converter and controllng method therefor |
| WO2017094402A1 (ja) * | 2015-11-30 | 2017-06-08 | 株式会社村田製作所 | スイッチング電源装置及び誤差補正方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12413151B2 (en) | 2022-05-24 | 2025-09-09 | Tdk Corporation | Power conversion system with increased detection accuracy |
Also Published As
| Publication number | Publication date |
|---|---|
| US10454374B2 (en) | 2019-10-22 |
| JP7000804B2 (ja) | 2022-01-19 |
| US20190149048A1 (en) | 2019-05-16 |
| CN109782053A (zh) | 2019-05-21 |
| CN109782053B (zh) | 2021-03-16 |
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