JP2017225260A - スイッチング電源装置 - Google Patents
スイッチング電源装置 Download PDFInfo
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Classifications
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4258—Arrangements for improving power factor of AC input using a single converter stage both for correction of AC input power factor and generation of a regulated and galvanically isolated DC output voltage
-
- 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
-
- 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
-
- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback 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
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
-
- 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
- H02M3/01—Resonant DC/DC 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
- H02M3/1588—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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
【解決手段】ゼロ電流検出手段によりスイッチング素子をターンオンできなかったときにスイッチング素子をターンオンするリスタート・タイマーを備え、特に軽負荷状態が検出されたとき、ゼロ電流検出手段によるスイッチング素子のターンオン・タイミングを遅らせて該スイッチング素子のスイッチング周波数を低減する周波数低減手段と、周波数低減手段により遅らせたスイッチング素子のターンオン・タイミングに合わせてリスタート・タイマーのリスタート時間を長くするタイマー調整手段とを備える。
【選択図】 図2
Description
巻線電圧は、インダクタ3ら流れる電流に応じて、該インダクタ3の補助巻線8に生起される電圧である。
前記出力直流電圧が供給される負荷の重さを検出する負荷状態検出手段と、
この負荷状態検出手段により軽負荷状態が検出されたとき、前記ゼロ電流検出手段による前記スイッチング素子のターンオン・タイミングを遅らせて該スイッチング素子のスイッチング周波数を低減する周波数低減手段と、
前記ゼロ電流検出手段により前記スイッチング素子をターンオンできなかったとき、該ゼロ電流検出手段に代わって前記スイッチング素子をターンオンするリスタート・タイマーと、
前記周波数低減手段により遅らせた前記スイッチング素子のターンオン・タイミングに合わせて前記リスタート・タイマーのリスタート時間を長くするタイマー調整手段と
を備えたことを特徴としている。
2 ダイオードブリッジ回路
3 インダクタ
4 スイッチング素子
5 ダイオード
6 出力コンデンサ
8 補助巻線
10 制御回路(制御IC)
11 誤差検出器
12 比較器(過電圧検出器)
13 比較器(過電流検出器)
14 比較器(ゼロ電流検出器)
15 比較器(PWM変調器;オン幅制御手段)
16 発振器
16a,16b MOS-FET
16c コンデンサ
16d MOS-FET
16e MOS-FET
16f 演算増幅器
17a,17b オア回路
18 フリップフロップ(ドライブ回路)
20 周波数低減回路
21 負荷状態検出回路
21a,21b 比較器
22a,22b,22c フリップフロップ
23 遅延制御回路
24a,24b,24c アンド回路
25a,25b トグルフリップフロップ
29 オア回路
30 AC周期検出回路
40 リスタート・タイマー
42 スイッチ素子(MOS-FET)
44 コンデンサ
46,48a,49a MOS-FET(電流源)
48b,49b MOS-FET(スイッチ)
巻線電圧は、インダクタ3に流れる電流に応じて、該インダクタ3の補助巻線8に生起される電圧である。
Claims (6)
- 入力交流電圧を整流する整流回路に接続されたインダクタと、オン時に前記整流回路との間で前記インダクタを介する電流路を形成するスイッチング素子と、このスイッチング素子のオフ時に前記インダクタと出力コンデンサとの間で電流路を形成して該出力コンデンサに所定の出力直流電圧を得るダイオードと、前記スイッチング素子をオン・オフして前記インダクタに流れる電流を制御する制御回路とを備え、
前記制御回路は、基準電圧と前記出力直流電圧との差を増幅した誤差信号に応じて前記スイッチング素子のオン幅を制御するオン幅制御手段と、
前記スイッチング素子のオフ時に該スイッチング素子に流れる電流がゼロとなるタイミングを検出して前記スイッチング素子をターンオンするゼロ電流検出手段と、
前記出力直流電圧が供給される負荷の重さを検出する負荷状態検出手段と、
この負荷状態検出手段により軽負荷状態が検出されたとき、前記ゼロ電流検出手段による前記スイッチング素子のターンオン・タイミングを遅らせて該スイッチング素子のスイッチング周波数を低減する周波数低減手段と、
前記ゼロ電流検出手段により前記スイッチング素子をターンオンできなかったとき、該ゼロ電流検出手段に代わって前記スイッチング素子をターンオンするリスタート・タイマーと、
前記周波数低減手段により遅らせた前記スイッチング素子のターンオン・タイミングに合わせて前記リスタート・タイマーのリスタート時間を長くするタイマー調整手段と
を具備したことを特徴とするスイッチング電源装置。 - 前記負荷状態検出手段は、負荷の重さを多段階に分けて検出するものであって、
前記周波数低減手段は、多段階に分けて検出された負荷の重さに応じて前記ゼロ電流検出手段によるゼロ電流の検出回数を変えて前記スイッチング素子をターンオンするタイミングを変えるものである請求項1に記載のスイッチング電源装置。 - 前記負荷状態検出手段は、負荷の重さを重負荷状態、中負荷状態および軽負荷状態の3段階に分けて検出するものであって、
前記周波数低減手段は、前記ゼロ電流検出手段による前記スイッチング素子をターンオン・タイミングを、重負荷状態では1回目のゼロ電流検出タイミングとし、中負荷状態では回目のゼロ電流検出タイミングとし、軽負荷状態では3回目のゼロ電流検出タイミングとして設定するものである請求項1に記載のスイッチング電源装置。 - 前記タイマー調整手段は、前記リスタート・タイマーにおいてリスタート時間を決定するコンデンサへの充電電流を負荷の重さに応じて切換えてリスタート時間を調整するものである請求項1に記載のスイッチング電源装置。
- 前記タイマー調整手段は、前記リスタート・タイマーにおいて所定の電流により充電されてリスタート時間を決定するコンデンサへの容量を負荷の重さに応じて切換えてリスタート時間を調整するものである請求項1に記載のスイッチング電源装置。
- 前記タイマー調整手段は、前記周波数低減手段により設定されるゼロ電流検出タイミングに合わせてリスタート時間を設定するものである請求項1に記載のスイッチング電源装置。
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JP2016119685A JP6702010B2 (ja) | 2016-06-16 | 2016-06-16 | スイッチング電源装置 |
US15/584,347 US9876432B2 (en) | 2016-06-16 | 2017-05-02 | Switching power supply device |
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JP2016119685A JP6702010B2 (ja) | 2016-06-16 | 2016-06-16 | スイッチング電源装置 |
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Cited By (4)
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CN108418414A (zh) * | 2018-03-26 | 2018-08-17 | 广汽丰田汽车有限公司 | 功率因数校正电路、装置及方法 |
JP2019187110A (ja) * | 2018-04-11 | 2019-10-24 | ローム株式会社 | スイッチング制御回路 |
JP2020078114A (ja) * | 2018-11-05 | 2020-05-21 | 富士電機株式会社 | 電源制御装置 |
WO2021210289A1 (ja) * | 2020-04-15 | 2021-10-21 | 富士電機株式会社 | 集積回路、電源回路 |
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JP6787044B2 (ja) * | 2016-10-29 | 2020-11-18 | 富士電機株式会社 | スイッチング電源装置 |
US10658934B2 (en) * | 2017-06-06 | 2020-05-19 | Semiconductor Components Industries, Llc | Quasi-resonant converter with efficient light-load operation and method therefor |
KR102532036B1 (ko) * | 2018-03-05 | 2023-05-15 | 삼성전자주식회사 | 이미지가 정상적으로 표시되도록 출력 전압을 제어하는 디스플레이 장치 |
CN108429446B (zh) * | 2018-04-02 | 2024-05-03 | 陕西亚成微电子股份有限公司 | 一种电源重启方法及电路 |
TWI698646B (zh) * | 2019-08-28 | 2020-07-11 | 大陸商光寶電子(廣州)有限公司 | 電子裝置、電壓偵測器及其電壓偵測方法 |
CN113098243B (zh) * | 2021-05-13 | 2022-09-06 | 成都芯源系统有限公司 | 一种开关电源的控制电路及其控制方法 |
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ITMI20031315A1 (it) * | 2003-06-27 | 2004-12-28 | St Microelectronics Srl | Dispositivo per la correzione del fattore di potenza in alimentatori a commutazione forzata. |
ITMI20040486A1 (it) * | 2004-03-16 | 2004-06-16 | St Microelectronics Srl | Dispositivo per la correzione del fattore di potenza in alimentatori a commutazione forzata |
JP4979536B2 (ja) * | 2007-10-15 | 2012-07-18 | パナソニック株式会社 | スイッチング電源装置 |
KR100904299B1 (ko) * | 2008-11-03 | 2009-06-25 | 주식회사 실리콘마이터스 | 역률 보상 회로 및 그 구동 방법 |
JP5277952B2 (ja) * | 2008-12-25 | 2013-08-28 | 富士電機株式会社 | スイッチング電源回路 |
JP5382216B2 (ja) * | 2009-10-29 | 2014-01-08 | 富士電機株式会社 | スイッチング電源回路および力率改善回路 |
JP5842366B2 (ja) * | 2011-04-04 | 2016-01-13 | 富士電機株式会社 | スイッチング電源制御回路 |
JP6037207B2 (ja) | 2012-07-13 | 2016-12-07 | 富士電機株式会社 | 擬似共振スイッチング電源装置の制御回路 |
CN103683918B (zh) * | 2012-09-25 | 2017-09-01 | 富士电机株式会社 | 开关电源装置 |
JP6447095B2 (ja) * | 2014-12-19 | 2019-01-09 | 富士電機株式会社 | スイッチング電源回路 |
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2016
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2017
- 2017-05-02 US US15/584,347 patent/US9876432B2/en active Active
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CN108418414A (zh) * | 2018-03-26 | 2018-08-17 | 广汽丰田汽车有限公司 | 功率因数校正电路、装置及方法 |
JP2019187110A (ja) * | 2018-04-11 | 2019-10-24 | ローム株式会社 | スイッチング制御回路 |
JP7022001B2 (ja) | 2018-04-11 | 2022-02-17 | ローム株式会社 | スイッチング制御回路 |
JP2020078114A (ja) * | 2018-11-05 | 2020-05-21 | 富士電機株式会社 | 電源制御装置 |
US10965209B2 (en) | 2018-11-05 | 2021-03-30 | Fuji Electric Co., Ltd. | Power supply controller with delay adjustment |
JP7211018B2 (ja) | 2018-11-05 | 2023-01-24 | 富士電機株式会社 | 電源制御装置 |
WO2021210289A1 (ja) * | 2020-04-15 | 2021-10-21 | 富士電機株式会社 | 集積回路、電源回路 |
JPWO2021210289A1 (ja) * | 2020-04-15 | 2021-10-21 | ||
JP7364053B2 (ja) | 2020-04-15 | 2023-10-18 | 富士電機株式会社 | 集積回路、電源回路 |
US12101021B2 (en) | 2020-04-15 | 2024-09-24 | Fuji Electric Co., Ltd. | Integrated circuit and power supply circuit |
Also Published As
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US20170366090A1 (en) | 2017-12-21 |
US9876432B2 (en) | 2018-01-23 |
JP6702010B2 (ja) | 2020-05-27 |
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