JP7083929B2 - Dc-dcコンバータ - Google Patents
Dc-dcコンバータ Download PDFInfo
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- JP7083929B2 JP7083929B2 JP2021020840A JP2021020840A JP7083929B2 JP 7083929 B2 JP7083929 B2 JP 7083929B2 JP 2021020840 A JP2021020840 A JP 2021020840A JP 2021020840 A JP2021020840 A JP 2021020840A JP 7083929 B2 JP7083929 B2 JP 7083929B2
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- 230000007423 decrease Effects 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 35
- 238000010248 power generation Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 10
- 230000001360 synchronised effect Effects 0.000 description 10
- 230000003044 adaptive effect Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000013256 coordination polymer Substances 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 208000006930 Pseudomyxoma Peritonei Diseases 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
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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
- H02M3/1582—Buck-boost converters
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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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3266—Details of drivers for scan electrodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3275—Details of drivers for data electrodes
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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
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
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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
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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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0006—Arrangements for supplying an adequate voltage to the control circuit of converters
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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
- H02M1/0083—Converters characterised by their input or output configuration
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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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
Description
前記第3基準電圧(VVEN)は、第3可変抵抗VR3を用いて生成できる。前記基準電圧生成部VGは、前記入力電圧(VIN)に基づいて前記第3モードから前記第2モードへの進出を決定する第4基準電圧(VVEX)を生成することができる。前記第4基準電圧(VVEX)は、第4可変抵抗VR4を用いて生成できる。
200 タイミング制御部
300 スキャン駆動部
400 データ駆動部
500 電源生成部
520 電源管理部
522 充電ブロック
540 DC-DCコンバータ
542 第1コンバーティング部
544 第2コンバーティング部
700 バッテリーパック
800 アダプタ
Claims (6)
- DC-DCコンバータであって、
入力電圧に基づいて第1電源電圧を生成する、ブーストコンバータである第1コンバーティング部を有し、
前記第1コンバーティング部は、第1電極が第1ノードに接続され、第2電極が接地される第1スイッチング素子と、
第1電極が前記第1ノードに接続され、第2電極が出力電圧を出力する出力端子に接続される第2スイッチング素子と、
一端が前記入力電圧が印加される入力端子に接続され、他端が前記第1ノードに接続されるインダクタと、
前記入力電圧に基づいて第1モード、第2モード、及び第3モードのうち、いずれか1つをコンバーティングモードとして選択するモード選択回路と、
前記第1スイッチング素子の制御電極及び前記第2スイッチング素子の制御電極が接続され、前記コンバーティングモードに基づいて前記第1スイッチング素子を制御する第1スイッチング制御信号、及び前記コンバーティングモードに基づいて前記第2スイッチング素子を制御する第2スイッチング制御信号を生成するコントローラと、を含み、
前記第1モードでは、前記第1スイッチング素子は前記第1スイッチング制御信号によりターンオン及びターンオフ状態を繰り返し、
前記第2スイッチング素子は前記第2スイッチング制御信号によりターンオン及びターンオフ状態を繰り返し、
前記第2モードでは、前記第1スイッチング素子は前記第1スイッチング制御信号によりターンオン及びターンオフ状態を繰り返し、
前記第2スイッチング素子は前記第2スイッチング制御信号によりターンオフ状態を維持し、
前記第3モードでは、前記第1スイッチング素子は前記第1スイッチング制御信号によりターンオン及びターンオフ状態を繰り返し、
前記第2スイッチング素子は前記第2スイッチング制御信号によりターンオン状態を維持することを特徴とする、DC-DCコンバータ。 - 前記モード選択回路は、前記入力電圧が第1基準電圧未満から前記第1基準電圧以上に増加する時、前記コンバーティングモードを前記第1モードから前記第2モードに変更することを特徴とする、請求項1に記載のDC-DCコンバータ。
- 前記モード選択回路は、前記入力電圧が第2基準電圧以上から前記第2基準電圧未満に減少する時、前記コンバーティングモードを前記第2モードから前記第1モードに変更し、
前記第2基準電圧は前記第1基準電圧と相異することを特徴とする、請求項2に記載のDC-DCコンバータ。 - 前記モード選択回路は、前記入力電圧が第1基準電圧未満から前記第1基準電圧以上に増加する時、前記コンバーティングモードを前記第1モードから前記第2モードに変更することを特徴とする、請求項1に記載のDC-DCコンバータ。
- 前記モード選択回路は、前記入力電圧が第2基準電圧以上から前記第2基準電圧未満に減少する時、前記コンバーティングモードを前記第2モードから前記第1モードに変更し、
前記第2基準電圧は、前記第1基準電圧と相異することを特徴とする、請求項4に記載のDC-DCコンバータ。 - 前記第3モードで、
前記第2スイッチング制御信号は前記入力電圧であることを特徴とする、請求項1に記載のDC-DCコンバータ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160023743A KR102592901B1 (ko) | 2016-02-26 | 2016-02-26 | Dc-dc 컨버터, 이를 이용한 dc-dc 컨버팅 방법 및 이를 포함하는 표시 장치 |
KR10-2016-0023743 | 2016-02-26 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2017011895A Division JP6838976B2 (ja) | 2016-02-26 | 2017-01-26 | Dc−dcコンバータ |
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JP2021073844A JP2021073844A (ja) | 2021-05-13 |
JP7083929B2 true JP7083929B2 (ja) | 2022-06-13 |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR102592901B1 (ko) * | 2016-02-26 | 2023-10-24 | 삼성디스플레이 주식회사 | Dc-dc 컨버터, 이를 이용한 dc-dc 컨버팅 방법 및 이를 포함하는 표시 장치 |
KR102536622B1 (ko) * | 2017-10-27 | 2023-05-25 | 엘지디스플레이 주식회사 | 터치센서를 포함하는 표시장치 및 그의 구동방법 |
US10615693B2 (en) * | 2018-06-29 | 2020-04-07 | Texas Instruments Incorporated | DC-to-DC voltage converters with controllers to switch on a low-side FET for a time interval before switching on a high-side FET |
KR102610428B1 (ko) * | 2018-11-05 | 2023-12-07 | 삼성디스플레이 주식회사 | Dc-dc 컨버터, 이를 포함하는 표시 장치 및 그 구동 방법 |
KR102638182B1 (ko) * | 2018-12-26 | 2024-02-16 | 엘지전자 주식회사 | 영상표시장치 |
TWI690143B (zh) * | 2019-04-02 | 2020-04-01 | 瑞昱半導體股份有限公司 | 電壓轉換器 |
KR20210029892A (ko) * | 2019-09-06 | 2021-03-17 | 삼성디스플레이 주식회사 | Dc-dc 컨버터, 이를 이용한 dc-dc 컨버팅 방법 및 이를 포함하는 표시 장치 |
TWI710206B (zh) * | 2019-09-26 | 2020-11-11 | 大陸商北京集創北方科技股份有限公司 | 升壓電路及具有該升壓電路的電子裝置 |
KR20220082983A (ko) * | 2020-12-10 | 2022-06-20 | 삼성디스플레이 주식회사 | Dc-dc 컨버터, 이를 이용한 dc-dc 컨버팅 방법 및 이를 포함하는 표시 장치 |
CN115411938A (zh) * | 2021-05-28 | 2022-11-29 | Oppo广东移动通信有限公司 | 电压转换电路及其方法、电源管理装置和显示设备 |
US20230137678A1 (en) * | 2021-10-29 | 2023-05-04 | Vertiv Corporation | Adaptive dc/dc pwm control |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006149128A (ja) | 2004-11-22 | 2006-06-08 | Funai Electric Co Ltd | スイッチング電源 |
JP6838976B2 (ja) | 2016-02-26 | 2021-03-03 | 三星ディスプレイ株式會社Samsung Display Co.,Ltd. | Dc−dcコンバータ |
Family Cites Families (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3335587B2 (ja) * | 1998-12-25 | 2002-10-21 | 富士通株式会社 | Dc−dcコンバータ回路 |
US6396252B1 (en) * | 2000-12-14 | 2002-05-28 | National Semiconductor Corporation | Switching DC-to-DC converter with discontinuous pulse skipping and continuous operating modes without external sense resistor |
JP4312000B2 (ja) * | 2003-07-23 | 2009-08-12 | パナソニック株式会社 | 昇降圧dc−dcコンバータ |
CN1965463A (zh) * | 2004-07-14 | 2007-05-16 | 罗姆股份有限公司 | 电源装置 |
JP4471978B2 (ja) * | 2004-10-19 | 2010-06-02 | ローム株式会社 | スイッチング電源制御回路およびスイッチング電源装置ならびにそれを用いた電子機器 |
US7256570B2 (en) * | 2005-02-08 | 2007-08-14 | Linear Technology Corporation | Light load current-mode control for switched step up-step down regulators |
TWI285018B (en) * | 2005-05-31 | 2007-08-01 | Richtek Technology Corp | A switching regulator capable of automatically entering and exiting pulse skipping mode |
US7368897B2 (en) * | 2005-10-07 | 2008-05-06 | Intel Corporation | Load adaptive power converter |
WO2007127463A2 (en) * | 2006-04-27 | 2007-11-08 | Aivaka | Startup for dc/dc converters |
US7535210B2 (en) * | 2006-10-18 | 2009-05-19 | Texas Instruments Incorporated | Predictive duty ratio generating circuit and method for synchronous boost converters operating in PFM mode |
US8063615B2 (en) * | 2007-03-27 | 2011-11-22 | Linear Technology Corporation | Synchronous rectifier control for synchronous boost converter |
JP5151266B2 (ja) * | 2007-06-20 | 2013-02-27 | 株式会社リコー | スイッチングレギュレータ及びスイッチングレギュレータの動作制御方法 |
EP2009776A1 (en) * | 2007-06-26 | 2008-12-31 | Austriamicrosystems AG | Buck-boost switching regulator and method thereof |
US20090128111A1 (en) * | 2007-11-19 | 2009-05-21 | Shang-Yu Chang Chien | Reverse current protection apparatus for a synchronous switching voltage converter |
US7679341B2 (en) * | 2007-12-12 | 2010-03-16 | Monolithic Power Systems, Inc. | External control mode step down switching regulator |
CN201178380Y (zh) | 2008-03-28 | 2009-01-07 | 张海波 | 用于并网电源的宽电压输入范围三管升降压电路 |
CN101981794B (zh) * | 2008-04-29 | 2014-04-23 | 半导体元件工业有限责任公司 | 用于调节输出电压的方法 |
TW201005461A (en) * | 2008-07-31 | 2010-02-01 | Richtek Technology Corp | Voltage regulator and control method thereof |
US8253403B2 (en) * | 2008-12-16 | 2012-08-28 | Green Solution Technology Co., Ltd. | Converting circuit and controller for controlling the same |
KR101056289B1 (ko) * | 2009-02-27 | 2011-08-11 | 삼성모바일디스플레이주식회사 | Dc― dc 컨버터 및 그를 이용한 유기전계발광표시장치 |
TWI387191B (zh) * | 2009-06-02 | 2013-02-21 | Richtek Technology Corp | 電壓模式切換式電源供應電路、及其控制電路與方法 |
TWM379273U (en) * | 2009-07-22 | 2010-04-21 | Richtek Technology Corp | Dual-mode buck switching regulator |
JP2011036022A (ja) * | 2009-07-31 | 2011-02-17 | Renesas Electronics Corp | 昇圧回路及び携帯電子機器 |
US8274266B2 (en) * | 2009-08-14 | 2012-09-25 | Linear Technology Corporation | Switch mode power supply with dynamic topology |
US8773084B2 (en) * | 2009-08-24 | 2014-07-08 | Micrel, Inc. | Buck-boost converter using timers for mode transition control |
TWI473394B (zh) * | 2009-09-04 | 2015-02-11 | Richtek Technology Corp | 切換式電源供應器及其驅動電路與控制方法 |
TWI396956B (zh) * | 2009-09-18 | 2013-05-21 | Richtek Technology Corp | 平均電流調節器及其驅動電路與平均電流調節方法 |
TWI422127B (zh) * | 2009-09-29 | 2014-01-01 | Richtek Technology Corp | 升降壓式電源轉換器的控制電路及方法 |
JP4995890B2 (ja) * | 2009-12-25 | 2012-08-08 | 株式会社東芝 | 半導体装置及びdc−dcコンバータ |
KR101356292B1 (ko) * | 2009-12-28 | 2014-01-28 | 엘지디스플레이 주식회사 | Dc―dc 컨버터 및 그 제어방법과 이를 이용한 표시장치 |
US8896279B2 (en) * | 2010-01-29 | 2014-11-25 | Intersil Americals LLC | Multi-phase non-inverting buck boost voltage converter |
TWI400864B (zh) * | 2010-07-26 | 2013-07-01 | Richtek Technology Corp | 降低固定導通時間切換式電源調節電路輸出漣波之控制電路及其方法 |
US8531166B2 (en) * | 2010-07-26 | 2013-09-10 | Richtek Technology Corporation, R.O.C. | Constant on-time switching regulator, and control method and on-time calculation circuit therefor |
US8981710B2 (en) * | 2010-09-20 | 2015-03-17 | Indy Power Systems Llc | Energy management system |
KR101788218B1 (ko) * | 2011-01-06 | 2017-10-20 | 삼성디스플레이 주식회사 | Dc-dc 컨버터 및 이를 이용한 이동통신 단말기 |
TWI426692B (zh) * | 2011-01-10 | 2014-02-11 | Richtek Technology Corp | 多相切換式電源供應器及其驅動電路與控制方法 |
US8836294B2 (en) * | 2011-06-16 | 2014-09-16 | Richtek Technology Corporation, R.O.C. | Switching regulator and control circuit and method therefor |
US9219411B2 (en) * | 2011-09-13 | 2015-12-22 | Intel Deutschland Gmbh | DC/DC converter, method for providing an output voltage on the basis of an input voltage and computer program |
US9350243B2 (en) * | 2012-01-06 | 2016-05-24 | Koninklijke Philips N.V. | Power converter with separate buck and boost conversion circuits |
US9537390B2 (en) * | 2012-03-07 | 2017-01-03 | Optis Ciircuit Technology, Llc | Control circuit, control method, DC-DC converter and electronic device |
TWI492504B (zh) * | 2012-03-24 | 2015-07-11 | Richtek Technology Corp | 具有功率因子校正功能的電源供應電路,與用於其中之自動增益控制電路及其控制方法 |
KR102060539B1 (ko) | 2012-08-08 | 2019-12-31 | 삼성디스플레이 주식회사 | 표시 패널의 구동 장치 및 이를 포함하는 표시 장치 |
CN203135720U (zh) * | 2013-01-04 | 2013-08-14 | 立锜科技股份有限公司 | 切换式电源供应器及其控制电路 |
US9548651B2 (en) * | 2013-02-22 | 2017-01-17 | Texas Instruments Incorporated | Advanced control circuit for switched-mode DC-DC converter |
US10162399B2 (en) * | 2013-03-06 | 2018-12-25 | Hewlett-Packard Development Company, L.P. | Power supply voltage and load consumption control |
TWI462442B (zh) * | 2013-04-26 | 2014-11-21 | Richtek Technology Corp | 電源轉換電路的控制電路及相關的控制方法 |
US8836298B1 (en) * | 2013-08-15 | 2014-09-16 | Richtek Technology Corporation | Multi-phase switching regulator and control method thereof |
KR102071004B1 (ko) * | 2013-09-03 | 2020-01-30 | 삼성디스플레이 주식회사 | Dc-dc 컨버터 및 이를 포함하는 유기전계발광 표시장치 |
WO2015078489A1 (en) * | 2013-11-26 | 2015-06-04 | Telefonaktiebolaget L M Ericsson (Publ) | A control circuit and a method for an energy based pulse skipping mode in a dc/dc converter |
CN105379137B (zh) * | 2014-01-08 | 2018-01-02 | 联发科技(新加坡)私人有限公司 | 具有可编程电源路径的无线电源接收器 |
US20160164411A1 (en) * | 2014-12-05 | 2016-06-09 | Linear Technology Corporation | Peak-buck peak-boost current-mode control for switched step-up step-down regulators |
KR101690305B1 (ko) * | 2014-10-16 | 2016-12-27 | 주식회사 솔루엠 | 컨버터 |
KR102278880B1 (ko) * | 2014-11-14 | 2021-07-20 | 삼성디스플레이 주식회사 | 백라이트 유닛, 이를 포함하는 표시 장치, 및 영상 표시 시스템 |
KR102381085B1 (ko) * | 2015-02-27 | 2022-04-01 | 삼성전자주식회사 | 전압 컨버터, 그것을 갖는 충전 집적회로 및 전자 장치, 및 그것의 배터리 충전 방법 |
CN104821715B (zh) * | 2015-04-24 | 2017-05-17 | 成都芯源系统有限公司 | 升降压开关电路及其控制方法 |
KR102452492B1 (ko) * | 2015-05-06 | 2022-10-07 | 삼성전자주식회사 | 전압 컨버터 및 이를 포함하는 전력 관리 장치 |
US9991793B2 (en) * | 2015-07-10 | 2018-06-05 | Kabushiki Kaisha Toshiba | Power supply circuit and control method for the same |
KR102504645B1 (ko) * | 2016-02-23 | 2023-03-02 | 삼성디스플레이 주식회사 | 부스트 컨버터, 이를 포함하는 표시 장치 및 전원 제어 방법 |
KR102552439B1 (ko) * | 2016-05-09 | 2023-07-07 | 삼성디스플레이 주식회사 | 백라이트 유닛, 그것의 구동 방법 및 그것을 포함하는 표시 장치 |
KR20180004882A (ko) * | 2016-07-04 | 2018-01-15 | 주식회사 실리콘마이터스 | 타임 인터리빙 컨버터 및 그 제어방법 |
JP6745672B2 (ja) * | 2016-08-03 | 2020-08-26 | ローム株式会社 | スイッチング制御回路、スイッチング電源装置、電子機器 |
US10158289B2 (en) * | 2016-11-07 | 2018-12-18 | Rohm Co., Ltd. | DC/DC converter |
US10135340B1 (en) * | 2017-09-11 | 2018-11-20 | Linear Technology Holding Llc | Pass through regulation of buck-boost regulator |
-
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006149128A (ja) | 2004-11-22 | 2006-06-08 | Funai Electric Co Ltd | スイッチング電源 |
JP6838976B2 (ja) | 2016-02-26 | 2021-03-03 | 三星ディスプレイ株式會社Samsung Display Co.,Ltd. | Dc−dcコンバータ |
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US10594214B2 (en) | 2020-03-17 |
EP3211778A3 (en) | 2017-10-11 |
CN113271014A (zh) | 2021-08-17 |
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EP3211778A2 (en) | 2017-08-30 |
EP3681027A1 (en) | 2020-07-15 |
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TWI743091B (zh) | 2021-10-21 |
US20200136512A1 (en) | 2020-04-30 |
JP2017153348A (ja) | 2017-08-31 |
JP2021073844A (ja) | 2021-05-13 |
CN107134924A (zh) | 2017-09-05 |
CN113241947A (zh) | 2021-08-10 |
US10879802B2 (en) | 2020-12-29 |
TW201731202A (zh) | 2017-09-01 |
US20210119541A1 (en) | 2021-04-22 |
JP6838976B2 (ja) | 2021-03-03 |
TWI826826B (zh) | 2023-12-21 |
KR20230148805A (ko) | 2023-10-25 |
KR20170101375A (ko) | 2017-09-06 |
TW202207605A (zh) | 2022-02-16 |
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