JP2010512140A - バックコンバータ・容量性分圧器一体型の電圧変換器 - Google Patents
バックコンバータ・容量性分圧器一体型の電圧変換器 Download PDFInfo
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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
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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
- H02M3/06—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00711—Regulation of charging or discharging current or voltage with introduction of pulses during the charging process
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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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
- H02M3/1588—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
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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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4837—Flying capacitor converters
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- 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
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- 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
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
-
- 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
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- Dc-Dc Converters (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
【解決手段】変換器は、4つのキャパシタ、スイッチ回路Q1〜Q4、インダクタL及び制御装置IIIを備える。第1のキャパシタL1は、基準ノードと第1の出力電圧VOUT1を発生する第1の出力ノード105との間に結合される。第2のキャパシタC3或いはCAは、入力ノードと、基準ノード又は第1の出力ノードのいずれかとの間に結合される。スイッチ回路は、第3のキャパシタC2を、PWM信号の第1の状態においては基準ノードと第1の出力ノードとの間に、PWM信号の第2の状態においては第1の出力と入力ノードとの間に結合する。インダクタは、第3のキャパシタに結合され、第2の出力電圧VOUT2を供給する第4のキャパシタに結合された第2の出力ノード113を備える。制御装置は、第2の出力電圧を所定のレベルに調節するPWM信号のデューティサイクルを制御する。
【選択図】図1
Description
PWM制御装置503から電力制御(VC)信号を受信する制御入力を更に備える。更に後述するように、PWM制御装置503は、外部電源505に電源電圧DCVの電圧レベルを調節させるVC信号をアサートし、VINとVOUT1の電圧レベルを順に調節する。電源電圧DCVは、DCVとノード509との間に直列で接続される電流端子を有する断路スイッチS1及びS2を通して供給される。スイッチS1は、前述と同様の方法で、感知回路208により制御される。スイッチS2は、PWM制御装置503から与えられる信号Aにより制御される。スイッチS1及びS2は、P型MOSFET(その他のタイプの電子スイッチも使用できるが)として示され、電源回路200の説明と実質的に同様の方法で作動する。電流感知抵抗器R1は、ノード101と509との間に接続され、両ノード101及び509は、対応するPWM制御装置503の入力に接続される。
101 入力ノード
103 第1の中間ノード
105 第1の出力ノード
107 第2の中間ノード
111、503 パルス幅変調(PWM)制御装置
112 レギュレータ
113 第2の出力ノード
114 ゲート駆動回路
116、505 外部電源
117 同期バックコンバータ
118、119、507、508、507A、507B 相互嵌合コネクタ
200、500 電源回路
203 バッテリ充電器
205 バッテリノード
206 バッテリ検出回路
207 充電バッテリパック
208 感知回路
300、400、600 電子デバイス
302、402、602 機能回路602
401、601 プリント回路基板(PCB)
403、603 バッテリ挿入口
405 端子
407 バッテリノード
504 バッテリ充電・モード制御回路
509 ノード
A、B 制御信号
BD バッテリ検出信号
C1 第1のキャパシタ
C2 第2の“フライ”キャパシタ
C3 第3のキャパシタC3
CA 第4のキャパシタ
CO 出力フィルタキャパシタ
CB フィルタキャパシタ
CSB フィルタキャパシタ
DCV 電源電圧
GND アース
ICHARG チャージ電流
L インダクタ
P1、P2、P3、P4 ゲート駆動信号
Q1、Q2、Q3、Q4 電子スイッチ
R1 電流感知抵抗器
R2 バッテリ充電電流感知抵抗器
S1、S2、 断路スイッチ
S3、S4 スイッチ
VC 電力制御信号
VIN 入力電圧
VBATT バッテリ電圧
VOUT1 第1の出力電圧
VOUT2 第2の出力電圧
SYSTEM BUS システム・バス
Claims (21)
- 基準ノードと第1の出力ノードとの間に結合され、前記第1の出力ノードが第1の出力電圧を発生する第1のキャパシタと、
入力ノードと前記基準ノードあるいは前記第1の出力ノードのいずれかの間に結合される第2のキャパシタと、
第1及び第2の端部を有する第3のキャパシタと、
パルス幅変調信号の第1の状態において、前記第3のキャパシタの前記第1及び第2の端部を前記基準ノードと前記第1の出力ノードをそれぞれ結合し、かつ、前記パルス幅変調信号の第2の状態において、前記第3のキャパシタの前記第1及び第2の端部を前記第1の出力ノードと前記入力ノードをそれぞれ結合する第1のスイッチ回路と、
前記第3のキャパシタの前記第1の端部に結合する第1の端部と、第2の出力電圧を供給する第2の出力ノードを形成する第2の端部とを有するインダクタと、
前記第2の出力電圧と前記基準ノードとの間の第4のキャパシタと、
前記第2の出力電圧を所定の電流レベルに調節するため、前記第1及び第2の状態の間の前記パルス幅変調信号のデューティサイクルを制御する制御装置とからなる電圧変換器。 - 前記制御装置は、前記出力電圧を感知する入力と、前記パルス幅変調信号を供給する出力とを有するレギュレータと、前記パルス幅変調信号と、前記第1のスイッチ回路を制御する出力とを受信するスイッチ駆動回路からなることを特徴とする請求項1記載の電圧変換器。
- 前記入力ノードに入力電圧を供給する外部電源を更に備える請求項1記載の電圧変換器。
- 前記外部電源は、AC−DCアダプタからなることを特徴とする請求項3記載の電圧変換器。
- 前記入力ノードに入力電圧を供給する外部電源と、
充電バッテリと、
前記外部電源の前記出力を前記入力ノードに選択的に結合し、前記充電バッテリを前記第1の出力ノードに選択的に結合する第2のスイッチ回路と、
前記入力ノードに結合する電源入力と、前記充電バッテリに結合される第1の出力と、前記第2のスイッチ回路を制御する第2の出力を有するバッテリ充電器及び制御回路を更に備える請求項1記載の電圧変換器。 - 前記外部電源が入力電圧を供給する場合、前記バッテリ充電器及び制御回路は、前記外部電源の前記出力を前記入力ノードに結合する前記第2スイッチ回路を制御し、前記外部電源が入力電圧を供給しない場合、前記バッテリ充電器及び制御回路は、前記充電バッテリを前記第1の出力ノードに結合する前記第2スイッチ回路を制御することを特徴とする請求項5記載の電圧変換器。
- 前記入力ノードと前記第1の出力ノードとの間に結合される前記第2のキャパシタと、前記入力ノードと前記基準ノードとの間に結合される第5のキャパシタを更に備える請求項1記載の電圧変換器。
- 基準ノードと第1のパワーノードとの間に結合され、前記第1のパワーノードが第1の電源電圧を発生させる第1のキャパシタと、
入力ノードと前記基準ノードあるいは前記第1のパワーノードのいずれかとの間に結合される第2のキャパシタと、
第1及び第2の端部を有する第3のキャパシタと、
パルス幅変調信号の第1の状態において、前記第3のキャパシタの前記第1及び第2の端部を前記基準ノードと前記第1のパワーノードとそれぞれ結合し、かつ、前記パルス幅変調信号の第2の状態において、前記第3のキャパシタの前記第1及び第2の端部を前記第1のパワーノードと前記入力ノードとそれぞれ結合する第1のスイッチ回路と、
前記第3のキャパシタの前記第1の端部に結合され第1の端部と、第2の出力電圧を供給する第2の出力ノードを形成する第2の端部とを有するインダクタと、
前記基準ノードと前記第2のパワーノードとの間に結合される第4のキャパシタと、
前記第2の電源電圧を所定の電圧レベルに調節するため、前記第1及び第2の状態の間で前記パルス幅変調信号のデューティサイクルを制御する制御装置とからなる一体型バックコンバータ・キャパシタ分圧器、
入力電圧を受け取る電源ノード、及び
前記第1及び第2電源電圧を受け取り、電子デバイスの機能を奏する機能回路からなる電子デバイス。 - 前記入力電圧を供給するために前記電源ノードに結合される出力を有する外部電源を更に備える請求項8記載の電子デバイス。
- 前記外部電源は、AC−DCアダプタからなることを特徴とする請求項9記載の電子デバイス。
- バッテリノードと、
前記入力電圧が供給される場合に前記電源ノードと前記入力ノードを選択的に結合し、前記入力電圧が供給されない場合に前記バッテリノードと前記第1のパワーノード選択的に結合する制御回路とを更に備える請求項8記載の電子デバイス。 - 前記入力ノードに結合された電源入力と、前記バッテリノードに結合された出力を有するバッテリ充電器を更に備える請求項11記載の電子デバイス。
- 前記一体型バックコンバータ・キャパシタ分圧器、前記電源ノード、前記バッテリノード、前記バッテリ充電器、前記制御回路、及び、前記機能回路は、プリント回路基板上に内蔵されることを特徴とする請求項12記載の電子デバイス。
- 前記プリント回路基板は、ノート型コンピュータ内に設けられることを特徴とする請求項13記載の電子デバイス。
- 前記バッテリノードに結合される端子を有する充電バッテリを更に備える請求項12記載の電子デバイス。
- 基準ノードに対する入力ノードに入力電圧を供給する工程、
前記入力ノード、前記基準ノード、及び、第1の出力電圧を発生する第1の出力ノードの間にキャパシタループを結合する工程、
前記入力ノードと前記第1の出力ノードの間で充電され、前記第1の出力ノードと基準ノードの間で放電されるフライキャパシタの結合を、パルス幅変調信号のデューティサイクルに基づき切り換える工程、
前記パルス幅変調信号の前記デューティサイクルに基づいて、前記第1の出力ノードと前記基準ノードの間でインダクタの第1の端部を選択的に切り換える工程、
第2の出力電圧を発生する第2の出力ノードに、前記インダクタの前記第2の端部を結合する工程、及び
前記第2の出力電圧を所定のレベルに調節するため、前記パルス幅変調信号の前記デューティサイクルを制御する工程を含む、入力電圧から第1及び第2の出力電圧への変換方法。 - 前記第2の出力電圧を前記所定のレベルに保つために、前記第2の出力電圧を監視し、前記パルス幅変調信号の前記デューティサイクルを調節する工程、及び
前記パルス幅変調信号を、前記フライキャパシタの結合を切り換える電子スイッチを制御する駆動信号に変換する工程を更に含む請求項16記載の方法。 - 外部電源から電圧を受けて、前記受け取った電圧を前記入力ノードに供給する工程を更に含む請求項16記載の方法。
- バッテリノードを設ける工程、及び
前記入力電圧を、バッテリノードに供給されるチャージ電流に変換するバッテリ充電器を設ける工程を更に含む請求項16記載の方法。 - 前記入力電圧が供給されない場合に、前記第1の出力ノードと前記基準ノードの間にバッテリを結合する工程を更に含む請求項16記載の方法。
- 前記キャパシタループを結合する工程は、前記第1の出力ノードと前記基準ノードの間に第2のキャパシタを結合する工程と、
第3のキャパシタの第1の端部を前記入力ノードに結合し、前記第3のキャパシタの前記第2の端部を前記第1の出力ノードまたは基準ノードのうちの1つに結合する工程を含み、
前記フライキャパシタの結合を切り換える工程は、前記フライキャパシタを、前記パルス幅変調信号の第1の状態においては前記入力ノードと前記第1の出力ノードとの間に、前記パルス幅変調信号の第2の状態においては前記第1の出力ノードと前記基準ノードとの間に切り替え可能に結合する工程を含み、
インダクタの第1の端部を選択的に切り換える前記工程は、前記インダクタの前記第1の端部を前記フライキャパシタの前記第2の端部に結合する工程を含むことを特徴とする請求項16記載の方法。
Applications Claiming Priority (7)
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US61/058,426 | 2008-06-03 | ||
US12/178,050 US8427113B2 (en) | 2007-08-01 | 2008-07-23 | Voltage converter with combined buck converter and capacitive voltage divider |
US12/178,050 | 2008-07-23 | ||
PCT/US2008/009237 WO2009017778A1 (en) | 2007-08-01 | 2008-07-31 | Voltage converter with combined buck converter and capacitive voltage divider |
Publications (2)
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014212654A (ja) * | 2013-04-19 | 2014-11-13 | 独立行政法人宇宙航空研究開発機構 | Pwm制御が可能なスイッチトキャパシタコンバータ |
JP2017531995A (ja) * | 2014-10-23 | 2017-10-26 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | 3レベル降圧コンバータを制御するための回路及び方法 |
Families Citing this family (98)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8018212B1 (en) | 2007-08-24 | 2011-09-13 | Intersil Americas Inc. | Buck-boost regulator |
US7982443B1 (en) * | 2008-05-16 | 2011-07-19 | National Semiconductor Corporation | DC to DC voltage converter with stacked synchronous buck converters |
US8148967B2 (en) * | 2008-08-05 | 2012-04-03 | Intersil Americas Inc. | PWM clock generation system and method to improve transient response of a voltage regulator |
US9716403B2 (en) * | 2008-11-25 | 2017-07-25 | Semiconductor Components Industries, Llc | Battery charger circuit for changing between modes during operation based on temperature and battery voltage and method therefor |
KR101116483B1 (ko) * | 2009-12-04 | 2012-02-27 | 삼성에스디아이 주식회사 | 에너지 저장 시스템 |
US8604757B2 (en) | 2010-02-01 | 2013-12-10 | Mitsubishi Electric Corporation | DC/DC power conversion apparatus |
US8543859B2 (en) * | 2010-03-12 | 2013-09-24 | Dell Products, Lp | Host detection circuit powered from primary side of the alternating current adaptor for detecting changes to a power level pulse of an information handling system |
US8786270B2 (en) | 2010-11-08 | 2014-07-22 | Intersil Americas Inc. | Synthetic ripple regulator with frequency control |
CN102005795B (zh) * | 2010-11-29 | 2012-12-19 | 鸿富锦精密工业(深圳)有限公司 | 可充电电池电量检测装置 |
US8884563B2 (en) * | 2010-12-02 | 2014-11-11 | Jerry Fan | System and method for supplementing a generated DC power supply |
CN102158112B (zh) * | 2011-03-03 | 2013-01-02 | 山东大学 | 一种模块化多电平变换器的综合控制系统及其方法 |
JP5528622B2 (ja) * | 2011-04-15 | 2014-06-25 | 三菱電機株式会社 | Dc/dc電力変換装置および太陽光発電システム |
TWI465011B (zh) * | 2011-06-02 | 2014-12-11 | Richtek Technology Corp | Pwm電壓調節器的控制電路及方法 |
US9712046B2 (en) | 2011-09-12 | 2017-07-18 | Infineon Technologies Ag | Dead-time optimization of DC-DC converters |
CN102332818B (zh) * | 2011-09-13 | 2013-08-28 | 天津大学 | 一种三电平大降压直流变换器及其脉冲宽度调制方法 |
US9248747B2 (en) * | 2011-11-29 | 2016-02-02 | Valeo Systemes De Controle Moteur | Converter for an electrical circuit designed to supply electrical propulsion power on board a motor vehicle |
US20140239719A1 (en) * | 2011-12-09 | 2014-08-28 | Intel Corporation | Switched capacitor based multiple output fixed ratio converter |
TW201349696A (zh) * | 2012-05-18 | 2013-12-01 | Hon Hai Prec Ind Co Ltd | 直流交換式電源供應器 |
CN102769377B (zh) * | 2012-07-10 | 2014-07-16 | 浙江大学 | 一种基于移相控制的非隔离型变流拓扑结构及其应用 |
US9225253B2 (en) * | 2012-10-23 | 2015-12-29 | Microchip Technology Inc. | High voltage switching linear amplifier and method therefor |
US9300326B2 (en) * | 2012-11-01 | 2016-03-29 | Qualcomm Incorporated | Prevention of output supply boosting upon removal of input adapter |
US8619445B1 (en) | 2013-03-15 | 2013-12-31 | Arctic Sand Technologies, Inc. | Protection of switched capacitor power converter |
US9347998B2 (en) * | 2013-04-17 | 2016-05-24 | Allegro Microsystems, Llc | System and method for measuring battery voltage |
TWI508419B (zh) * | 2013-05-01 | 2015-11-11 | Ili Technology Corp | Switch Capacitive Voltage Conversion Device and Method |
US9203309B2 (en) | 2013-09-11 | 2015-12-01 | Qualcomm, Incorporated | Multi-output boost regulator with single control loop |
US9972995B2 (en) * | 2013-10-05 | 2018-05-15 | Taiwan Semiconductor Manufacturing Company Limited | Circuit with a droop compensating mechanism |
US9484799B2 (en) | 2014-01-17 | 2016-11-01 | Linear Technology Corporation | Switched capacitor DC-DC converter with reduced in-rush current and fault protection |
KR102258143B1 (ko) * | 2014-02-03 | 2021-05-28 | 삼성전자 주식회사 | 전자 장치의 충전 회로 |
US9548648B2 (en) * | 2014-04-25 | 2017-01-17 | Texas Instruments Incorporated | Switched reference MOSFET drive assist circuit |
US10128749B2 (en) * | 2014-05-12 | 2018-11-13 | Texas Instruments Incorporated | Method and circuitry for sensing and controlling a current |
US10164439B2 (en) * | 2014-09-05 | 2018-12-25 | Qualcomm Incorporated | Metal back cover with combined wireless power transfer and communications |
US9300210B1 (en) | 2015-03-02 | 2016-03-29 | Empower Semiconductor | Resonant rectified discontinuous switching regulator |
US9780663B2 (en) * | 2015-03-02 | 2017-10-03 | Empower Semiconductor, Inc. | Resonant rectified discontinuous switching regulator with inductor preflux |
KR20160131673A (ko) * | 2015-05-08 | 2016-11-16 | 삼성전자주식회사 | 다중 디스플레이 시스템을 구성하는 디스플레이 장치 및 그 제어 방법 |
WO2017007991A1 (en) | 2015-07-08 | 2017-01-12 | Arctic Sand Technologies, Inc. | Switched-capacitor power converters |
US20170093173A1 (en) * | 2015-09-24 | 2017-03-30 | Han Kung Chua | Front end charger bypass switch with linear regulation function and path for reverse boost |
US10126792B2 (en) * | 2015-11-03 | 2018-11-13 | Texas Instruments Incorporated | Power converter load current control |
US10833584B2 (en) | 2015-11-12 | 2020-11-10 | Empower Semiconductor, Inc. | Boot-strapping systems and techniques for circuits |
US9680381B1 (en) | 2016-01-29 | 2017-06-13 | Semiconductor Components Industries, Llc | Circuit including rectifying elements and a charge storage element and a method of using an electronic device including a circuit having switching elements |
CN107231012B (zh) * | 2016-04-08 | 2019-05-24 | 华为技术有限公司 | 一种快速充电的方法、终端、充电器和系统 |
US9935549B2 (en) | 2016-07-08 | 2018-04-03 | Toshiba International Corporation | Multi-switch power converter |
EP3485562B1 (en) | 2016-07-15 | 2022-05-04 | Analog Devices International Unlimited Company | Balancing charge pump circuits |
US10177588B2 (en) * | 2016-09-20 | 2019-01-08 | Richtek Technology Corporation | Charging circuit and capacitive power conversion circuit and charging control method thereof |
CN110050400B (zh) * | 2016-12-01 | 2023-05-02 | 集成装置技术公司 | 电池充电系统 |
CN107482905A (zh) * | 2017-07-19 | 2017-12-15 | 深圳市华星光电半导体显示技术有限公司 | 直流电压转换电路及直流电压转换方法与液晶显示装置 |
IT201700092532A1 (it) * | 2017-08-09 | 2019-02-09 | St Microelectronics Srl | Convertitore elettronico, e relativo procedimento di controllo, circuito di controllo e prodotto informatico |
US9973081B1 (en) | 2017-08-17 | 2018-05-15 | Qualcomm Incorporated | Low-power low-duty-cycle switched-capacitor voltage divider |
WO2019042003A1 (zh) * | 2017-08-31 | 2019-03-07 | 上海汇瑞半导体科技有限公司 | 一种并行电池充电电路及其充电方法 |
US10073478B1 (en) * | 2017-10-09 | 2018-09-11 | Texas Instruments Incorporated | Voltage regulator for a low dropout operational mode |
CN107947590B (zh) * | 2017-12-12 | 2024-07-16 | 西安交通大学 | 开关电容双向直流变换器单电源集成驱动电路及控制方法 |
CN108092513B (zh) * | 2017-12-26 | 2020-03-06 | 矽力杰半导体技术(杭州)有限公司 | 直流-直流转换器 |
US10491125B2 (en) | 2018-02-12 | 2019-11-26 | Silanna Asia Pte Ltd | Switched-mode power controller with multi-mode startup |
CN108539981A (zh) | 2018-06-04 | 2018-09-14 | 南京矽力杰半导体技术有限公司 | 直流-直流转换器 |
CN108712073B (zh) | 2018-06-08 | 2020-01-03 | 南京矽力杰半导体技术有限公司 | 三电平直流-直流转换器 |
CN108736709B (zh) | 2018-06-14 | 2020-02-04 | 南京矽力杰半导体技术有限公司 | 功率变换器 |
US10547241B1 (en) * | 2018-08-29 | 2020-01-28 | Linear Technology Holding Llc | Hybrid inverting PWM power converters |
CN113169314A (zh) * | 2018-08-30 | 2021-07-23 | 海德勒-魁北克 | 具有离子液电解质和电极压力的可充电电池 |
US10775424B2 (en) * | 2018-08-31 | 2020-09-15 | Micron Technology, Inc. | Capacitive voltage divider for monitoring multiple memory components |
WO2020119817A1 (en) * | 2018-12-14 | 2020-06-18 | Huawei Technologies Co., Ltd. | Shared bootstrap capacitor system and method |
CN109782839B (zh) | 2019-01-04 | 2020-07-07 | 南京矽力微电子技术有限公司 | 电压调节器 |
US11442484B2 (en) | 2019-01-04 | 2022-09-13 | Silergy Semiconductor Technology (Hangzhou) Ltd | Voltage regulator |
US10778108B2 (en) * | 2019-02-15 | 2020-09-15 | Apple Inc. | Frequency doubling resonant converter |
US10591966B1 (en) * | 2019-02-20 | 2020-03-17 | Blockchain Asics Llc | Actively controlled series string power supply |
US11462918B2 (en) * | 2019-02-22 | 2022-10-04 | Aurora Flight Sciences Corporation | Battery switch with current control |
US10720837B1 (en) | 2019-03-01 | 2020-07-21 | Apple Inc. | Fly capacitor voltage balancing for buck converter circuit |
JP6690750B1 (ja) * | 2019-03-19 | 2020-04-28 | 株式会社明電舎 | Fc型3レベル電力変換装置 |
CN109901654B (zh) * | 2019-04-15 | 2021-02-02 | 苏州浪潮智能科技有限公司 | 一种线性降压调节电路及电子设备 |
US10756623B1 (en) | 2019-04-17 | 2020-08-25 | Dialog Semiconductor (Uk) Limited | Low loss power converter |
US10790742B1 (en) | 2019-04-17 | 2020-09-29 | Dialog Semiconductor (Uk) Limited | Multi-level power converter with improved transient load response |
US10811974B1 (en) | 2019-04-17 | 2020-10-20 | Dialog Semiconductor (Uk) Limited | Power converter |
KR20200136594A (ko) * | 2019-05-28 | 2020-12-08 | 삼성전자주식회사 | 전압 분배 비율을 적응적으로 변경하는 전압 분배 회로를 포함하는 전자 장치 |
CN110277909B (zh) | 2019-07-09 | 2022-09-20 | 南京矽力微电子技术有限公司 | 开关电容变换器、电流控制电路及电流控制方法 |
KR102680352B1 (ko) | 2019-09-09 | 2024-07-03 | 삼성전자주식회사 | 전압 변환기 |
JP7280165B2 (ja) * | 2019-10-18 | 2023-05-23 | ローム株式会社 | スイッチング電源装置 |
TWI697187B (zh) * | 2019-11-26 | 2020-06-21 | 國立臺灣科技大學 | 多階層降壓轉換器 |
CN111224540B (zh) | 2019-12-20 | 2021-04-06 | 南京矽力微电子技术有限公司 | 开关电容变换器及其驱动电路 |
DE102020200927A1 (de) | 2020-01-27 | 2021-07-29 | Dialog Semiconductor (Uk) Limited | Hybrid-Mehrpegel-Leistungsumsetzer mit lnduktor zwischen Stufen |
CN113555854A (zh) * | 2020-04-24 | 2021-10-26 | 台达电子企业管理(上海)有限公司 | 用于飞跨电容变换器的短路电流抑制电路与具有其的储能系统 |
US11532987B2 (en) * | 2020-05-15 | 2022-12-20 | Halo Microelectronics Co., Ltd. | Power conversion circuit, power conversion system and power chip |
CN111371443B (zh) * | 2020-05-28 | 2020-08-28 | 上海南麟电子股份有限公司 | 一种有源整流桥电路及片内集成系统 |
US20210376622A1 (en) * | 2020-06-02 | 2021-12-02 | Qualcomm Incorporated | Trickle charging and precharging a dead multi-cell-in-series battery |
US11228243B2 (en) | 2020-06-12 | 2022-01-18 | Dialog Semiconductor (Uk) Limited | Power converter with reduced RMS input current |
US11456663B2 (en) * | 2020-06-12 | 2022-09-27 | Dialog Semiconductor (Uk) Limited | Power converter with reduced root mean square input current |
DE102020213004A1 (de) | 2020-06-12 | 2021-12-16 | Dialog Semiconductor (Uk) Limited | Leistungswandler |
TWI766314B (zh) * | 2020-07-21 | 2022-06-01 | 茂達電子股份有限公司 | 具飛馳電容自動平衡機制的電源轉換器 |
US11095229B1 (en) * | 2020-09-24 | 2021-08-17 | Monolithic Power Systems, Inc. | High switching frequency direct AC to AC converter |
DE102020213005A1 (de) | 2020-10-15 | 2022-04-21 | Dialog Semiconductor (Uk) Limited | Leistungswandler |
KR102382987B1 (ko) * | 2020-11-12 | 2022-04-05 | 주식회사 실리콘마이터스 | 전원 공급 회로 |
US20220166339A1 (en) * | 2020-11-23 | 2022-05-26 | Richtek Technology Corporation | High efficiency charging system and power conversion circuit thereof |
US11637491B2 (en) | 2020-12-03 | 2023-04-25 | Dialog Semiconductor (Uk) Limited | Multi-stage power converter |
US11496051B2 (en) | 2020-12-16 | 2022-11-08 | Dialog Semiconductor (Uk) Limited | Power converter |
CN113054838B (zh) * | 2021-03-31 | 2022-03-08 | 电子科技大学 | 一种混合双路径降压变换器 |
US11990831B2 (en) | 2021-08-06 | 2024-05-21 | Renesas Design (UK) Limited | Hybrid buck boost converter with reduced inductor current |
US11929672B2 (en) | 2021-08-06 | 2024-03-12 | Renesas Design (UK) Limited | Inverting buck-boost converter |
TWI784788B (zh) * | 2021-11-10 | 2022-11-21 | 技嘉科技股份有限公司 | 供電調控電路、充電裝置與其供電模式調整方法 |
TWI813084B (zh) | 2021-12-01 | 2023-08-21 | 財團法人工業技術研究院 | 多階降壓轉換器 |
US11967901B2 (en) | 2021-12-09 | 2024-04-23 | Renesas Design (UK) Limited | Hybrid multi-phase power converter with phase shedding |
CN114244105B (zh) * | 2022-02-24 | 2022-04-26 | 伏达半导体(合肥)有限公司 | 功率转换结构、方法包括其的电子设备及芯片单元 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5760495A (en) * | 1995-02-22 | 1998-06-02 | Alpha Technologies, Inc. | Inverter/charger circuit for uninterruptible power supplies |
JP2004064937A (ja) * | 2002-07-31 | 2004-02-26 | Nec Corp | チャージポンプ型昇圧回路 |
JP2006513690A (ja) * | 2002-11-12 | 2006-04-20 | オーツー マイクロ, インコーポレーテッド | Dc/dcコンバータのための制御装置 |
Family Cites Families (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US649595A (en) * | 1899-08-07 | 1900-05-15 | Willard James | Pulverizing-leveler. |
IL57186A (en) | 1979-04-30 | 1982-03-31 | Mg Electronics Ltd | Dc/dc converter power supply |
US4521726A (en) | 1981-11-17 | 1985-06-04 | Motorola, Inc. | Control circuitry for a pulse-width-modulated switching power supply |
JPH0655030B2 (ja) | 1982-12-08 | 1994-07-20 | 富士電機株式会社 | 負荷電流の瞬時値制御方法 |
US4658204A (en) | 1986-02-07 | 1987-04-14 | Prime Computer, Inc. | Anticipatory power failure detection apparatus and method |
US4801859A (en) | 1986-12-23 | 1989-01-31 | Sundstrand Corporation | Boost/buck DC/DC converter |
FR2610149B1 (fr) | 1987-01-22 | 1989-04-07 | Telecommunications Sa | Convertisseur continu-continu a rendement eleve a faible charge |
US5382893A (en) | 1991-05-16 | 1995-01-17 | Compaq Computer Corporation | Maximum power regulated battery charger |
DE4206478A1 (de) | 1992-03-02 | 1993-09-09 | Thomson Brandt Gmbh | Schaltung zum erzeugen einer stabilisierten betriebsspannung mit einer integrierten schaltung |
US5481178A (en) | 1993-03-23 | 1996-01-02 | Linear Technology Corporation | Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit |
JP2596314B2 (ja) | 1993-05-31 | 1997-04-02 | 日本電気株式会社 | スイッチング電源回路 |
IT1268474B1 (it) | 1993-10-22 | 1997-03-04 | St Microelectronics Srl | Convertitore statico dc-dc funzionante in modo discontinuo |
US5514947A (en) | 1995-01-31 | 1996-05-07 | National Semiconductor Corporation | Phase lead compensation circuit for an integrated switching regulator |
US5747977A (en) | 1995-03-30 | 1998-05-05 | Micro Linear Corporation | Switching regulator having low power mode responsive to load power consumption |
US5770940A (en) | 1995-08-09 | 1998-06-23 | Switch Power, Inc. | Switching regulator |
JP3324930B2 (ja) | 1996-05-31 | 2002-09-17 | 富士通株式会社 | 電源装置 |
JP3466029B2 (ja) | 1996-09-27 | 2003-11-10 | ローム株式会社 | 充電器 |
US5705919A (en) | 1996-09-30 | 1998-01-06 | Linear Technology Corporation | Low drop-out switching regulator architecture |
FR2764450B1 (fr) | 1997-06-04 | 1999-08-27 | Sgs Thomson Microelectronics | Systeme de fourniture d'une tension regulee |
US6147526A (en) | 1997-12-23 | 2000-11-14 | Texas Instruments Incorporated | Ripple regulator with improved initial accuracy and noise immunity |
US5959853A (en) | 1998-08-24 | 1999-09-28 | Kos; Marek John | Closed-loop switched capacitor network power supply |
US6064187A (en) | 1999-02-12 | 2000-05-16 | Analog Devices, Inc. | Voltage regulator compensation circuit and method |
JP3389524B2 (ja) | 1999-02-23 | 2003-03-24 | 松下電器産業株式会社 | スイッチングレギュレータ、dc/dc変換器、およびスイッチングレギュレータを備えたlsiシステム |
JP3425900B2 (ja) | 1999-07-26 | 2003-07-14 | エヌイーシーマイクロシステム株式会社 | スイッチングレギュレータ |
US6147478A (en) | 1999-09-17 | 2000-11-14 | Texas Instruments Incorporated | Hysteretic regulator and control method having switching frequency independent from output filter |
EP1134878A1 (fr) * | 2000-03-13 | 2001-09-19 | Alstom Belgium S.A. | Procédé et dispositif de réduction d'harmonique dans les convertisseurs de puissance |
US6166527A (en) | 2000-03-27 | 2000-12-26 | Linear Technology Corporation | Control circuit and method for maintaining high efficiency in a buck-boost switching regulator |
US6271650B1 (en) | 2000-04-13 | 2001-08-07 | Intel Corporation | Method and apparatus to provide a DC-DC converter with ripple regulation and multiphase current sharing |
US6433525B2 (en) | 2000-05-03 | 2002-08-13 | Intersil Americas Inc. | Dc to DC converter method and circuitry |
US6246222B1 (en) | 2000-08-30 | 2001-06-12 | National Semiconductor Corporation | Switching DC-to-DC converter and conversion method with rotation of control signal channels relative to paralleled power channels |
US6741066B1 (en) | 2000-09-21 | 2004-05-25 | O2Micro International Limited | Power management for battery powered appliances |
US6362607B1 (en) | 2000-12-19 | 2002-03-26 | Intel Corporation | Gated multi-phase fixed duty cycle voltage regulator |
US6631806B2 (en) * | 2001-02-28 | 2003-10-14 | Ellen R. Jackson | Cosmetic packaging device |
US6495995B2 (en) | 2001-03-09 | 2002-12-17 | Semtech Corporation | Self-clocking multiphase power supply controller |
US6583610B2 (en) | 2001-03-12 | 2003-06-24 | Semtech Corporation | Virtual ripple generation in switch-mode power supplies |
JP3718767B2 (ja) | 2001-09-19 | 2005-11-24 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 電気機器、コンピュータ装置、予備充電状態表示方法、およびユーティリティプログラム |
US6456050B1 (en) | 2001-11-05 | 2002-09-24 | Dan Agiman | Virtual frequency-controlled switching voltage regulator |
US6791306B2 (en) | 2002-01-29 | 2004-09-14 | Intersil Americas Inc. | Synthetic ripple regulator |
US7019502B2 (en) | 2002-09-06 | 2006-03-28 | Intersil America's Inc. | Synchronization of multiphase synthetic ripple voltage regulator |
US7132820B2 (en) | 2002-09-06 | 2006-11-07 | Intersil Americas Inc. | Synthetic ripple regulator |
US6922044B2 (en) | 2002-09-06 | 2005-07-26 | Intersil Americas Inc. | Synchronization of multiphase synthetic ripple voltage regulator |
US7019506B2 (en) | 2002-11-14 | 2006-03-28 | Fyre Storm, Inc. | Charge-based switching power converter controller |
JP3741100B2 (ja) * | 2002-11-26 | 2006-02-01 | セイコーエプソン株式会社 | 電源回路及び半導体集積回路 |
US6819577B1 (en) | 2003-05-19 | 2004-11-16 | Texas Instruments Incorporated | Distributing clock and programming phase shift in multiphase parallelable converters |
US7042199B1 (en) | 2003-07-28 | 2006-05-09 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Series connected buck-boost regulator |
US7193396B2 (en) | 2003-12-24 | 2007-03-20 | Potentia Semiconductor Corporation | DC converters having buck or boost configurations |
US7589499B2 (en) | 2004-03-25 | 2009-09-15 | O2Micro International Limited | Over voltage transient controller |
US7106036B1 (en) | 2004-06-30 | 2006-09-12 | National Semiconductor Corporation | Apparatus and method for high-frequency PWM with soft-start |
TWI306725B (en) * | 2004-08-20 | 2009-02-21 | Monolithic Power Systems Inc | Minimizing bond wire power losses in integrated circuit full bridge ccfl drivers |
US7394231B2 (en) | 2005-02-08 | 2008-07-01 | Linear Technology Corporation | Current-mode control for switched step up-step down regulators |
US7570033B1 (en) | 2006-04-03 | 2009-08-04 | National Semiconductor Corporation | Apparatus and method for PWM buck-or-boost converter with smooth transition between modes |
US7391190B1 (en) | 2006-04-03 | 2008-06-24 | National Semiconductor Corporation | Apparatus and method for three-phase buck-boost regulation |
US7495419B1 (en) | 2006-04-03 | 2009-02-24 | National Semiconductor Corporation | Apparatus and method for PFM buck-or-boost converter with smooth transition between modes |
US7432689B2 (en) | 2006-05-05 | 2008-10-07 | Micrel, Inc. | Buck-boost control logic for PWM regulator |
US7746041B2 (en) | 2006-06-27 | 2010-06-29 | Virginia Tech Intellectual Properties, Inc. | Non-isolated bus converters with voltage divider topology |
US7768246B2 (en) | 2006-07-27 | 2010-08-03 | Richtek Technology Corp. | Output ripple control circuit and method for a PWM system |
US7812579B2 (en) * | 2006-12-30 | 2010-10-12 | Advanced Analogic Technologies, Inc. | High-efficiency DC/DC voltage converter including capacitive switching pre-converter and up inductive switching post-regulator |
US7764050B2 (en) | 2007-01-02 | 2010-07-27 | Intersil Americas Inc. | System and method of charging a battery and power delivery using an adapter and capacitor voltage divider |
US7696735B2 (en) | 2007-03-30 | 2010-04-13 | Intel Corporation | Switched capacitor converters |
US7598715B1 (en) | 2007-04-04 | 2009-10-06 | National Semiconductor Corporation | Apparatus and method for reverse current correction for a switching regulator |
US7737668B2 (en) | 2007-09-07 | 2010-06-15 | Panasonic Corporation | Buck-boost switching regulator |
US20090102440A1 (en) | 2007-10-23 | 2009-04-23 | Advanced Analogic Technologies, Inc. | Buck-Boost Switching Voltage Regulator |
US7932709B1 (en) | 2008-06-26 | 2011-04-26 | National Semiconductor Corporation | Stable high efficiency step-up voltage regulator with fast transient response and ultra low output voltage ripple |
US8102162B2 (en) | 2008-07-30 | 2012-01-24 | Intersil Americas Inc. | Buck controller having integrated boost control and driver |
US7834608B2 (en) | 2008-11-18 | 2010-11-16 | Texas Instruments Incorporated | Feed-forward compensation for a hysteretic switching regulator |
US8786270B2 (en) | 2010-11-08 | 2014-07-22 | Intersil Americas Inc. | Synthetic ripple regulator with frequency control |
-
2008
- 2008-07-23 US US12/178,050 patent/US8427113B2/en not_active Expired - Fee Related
- 2008-07-31 JP JP2009540523A patent/JP4944207B2/ja not_active Expired - Fee Related
- 2008-07-31 WO PCT/US2008/009237 patent/WO2009017778A1/en active Application Filing
- 2008-07-31 CN CN2008801003546A patent/CN101874341B/zh not_active Expired - Fee Related
- 2008-07-31 KR KR1020097008838A patent/KR101060052B1/ko not_active IP Right Cessation
- 2008-07-31 EP EP08794905A patent/EP2186185A1/en not_active Withdrawn
- 2008-08-01 TW TW097129191A patent/TWI365590B/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5760495A (en) * | 1995-02-22 | 1998-06-02 | Alpha Technologies, Inc. | Inverter/charger circuit for uninterruptible power supplies |
JP2004064937A (ja) * | 2002-07-31 | 2004-02-26 | Nec Corp | チャージポンプ型昇圧回路 |
JP2006513690A (ja) * | 2002-11-12 | 2006-04-20 | オーツー マイクロ, インコーポレーテッド | Dc/dcコンバータのための制御装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014212654A (ja) * | 2013-04-19 | 2014-11-13 | 独立行政法人宇宙航空研究開発機構 | Pwm制御が可能なスイッチトキャパシタコンバータ |
JP2017531995A (ja) * | 2014-10-23 | 2017-10-26 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | 3レベル降圧コンバータを制御するための回路及び方法 |
Also Published As
Publication number | Publication date |
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CN101874341A (zh) | 2010-10-27 |
US20090033289A1 (en) | 2009-02-05 |
TWI365590B (en) | 2012-06-01 |
JP4944207B2 (ja) | 2012-05-30 |
KR20090074792A (ko) | 2009-07-07 |
KR101060052B1 (ko) | 2011-08-29 |
TW200924365A (en) | 2009-06-01 |
CN101874341B (zh) | 2013-04-03 |
WO2009017778A1 (en) | 2009-02-05 |
US8427113B2 (en) | 2013-04-23 |
EP2186185A1 (en) | 2010-05-19 |
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