JP6673992B2 - パワーレギュレータ - Google Patents
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- JP6673992B2 JP6673992B2 JP2018154691A JP2018154691A JP6673992B2 JP 6673992 B2 JP6673992 B2 JP 6673992B2 JP 2018154691 A JP2018154691 A JP 2018154691A JP 2018154691 A JP2018154691 A JP 2018154691A JP 6673992 B2 JP6673992 B2 JP 6673992B2
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/003—Measuring mean values of current or voltage during a given time interval
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0038—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing pulses or pulse trains according to amplitude)
-
- 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
-
- 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
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
-
- 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
-
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/38—Switched mode power supply [SMPS] using boost topology
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/385—Switched mode power supply [SMPS] using flyback topology
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
- H02M3/33538—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 of the forward type
- H02M3/33546—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 of the forward type with automatic control of the output voltage or current
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- Dc-Dc Converters (AREA)
Description
Claims (20)
- パワーレギュレータであって、
基準電圧源と、
入力と出力とを有するパルス幅変調(PWM)回路と、
前記基準電圧源に結合される第1の入力と、前記PWM回路の出力に結合される第2の入力と、乗算器出力とを有する、アナログ乗算器回路と、
入力電圧端子と、
前記入力電圧端子に結合される電流制御デバイスであって、前記PWM回路の出力に結合される制御入力を有する、前記電流制御デバイスと、
前記電流制御デバイスに結合される電流測定デバイスと、
前記乗算器出力と前記PWM回路の入力との間に結合されるフィードバックパスと、
を含む、パワーレギュレータ。 - 請求項1に記載のパワーレギュレータであって、
前記基準電圧源が入力電流をレギュレートするための定電圧を生成するように構成される、パワーレギュレータ。 - 請求項1に記載のパワーレギュレータであって、
前記アナログ乗算器回路が、
フィルタ入力と、前記乗算器出力に結合されるフィルタ出力とを有するローパスフィルタと、
前記第1の入力と前記フィルタ入力との間に結合される第1のスイッチであって、前記第2の入力に結合される第1の制御端子を有する、前記第1のスイッチと、
前記第2の入力に結合されるインバータ入力と、インバータ出力とを有する、インバータと、
前記フィルタ入力とグラウンド端子との間に結合される第2のスイッチであって、前記インバータ出力に結合される第2の制御端子を有する、前記第2のスイッチと、
を含む、パワーレギュレータ。 - 請求項1に記載のパワーレギュレータであって、
前記アナログ乗算器回路が前記乗算器出力にレギュレートされた電圧を生成するように構成され、前記レギュレートされた電圧が前記基準電圧源からの定電圧と前記PWM回路のデューティーサイクルとの乗算を示す、パワーレギュレータ。 - 請求項1に記載のパワーレギュレータであって、
前記フィードバックパスが、
前記PWM回路の入力に結合される増幅器出力と、前記アナログ乗算器回路の乗算器出力に結合される非反転入力と、反転入力とを有する増幅器と、
前記反転入力と前記増幅器出力との間に結合されるキャパシタと、
を含み、
前記電流制御デバイスが、前記入力電圧端子と前記反転入力との間に結合されるスイッチトランジスタを含む、パワーレギュレータ。 - パワーレギュレータであって、
基準電圧源と、
入力と出力とを有するパルス幅変調(PWM)回路と、
前記基準電圧源に結合される第1の入力と、前記PWM回路の出力に結合される第2の入力と、乗算器出力とを有する、アナログ乗算器回路と、
前記乗算器出力と前記PWM回路の入力との間に結合されるフィードバックパスと、
入力電圧源と、
前記入力電圧源に結合されるカソードと、アノードとを有するダイオードと、
前記フィードバックパスに結合される電流測定デバイスと、
前記ダイオードのアノードに結合される第1の電流端子と、前記電流測定デバイスに結合される第2の電流端子と、前記PWM回路の出力に結合されるゲート端子とを有するスイッチトランジスタと、
を含む、パワーレギュレータ。 - 請求項6に記載のパワーレギュレータであって、
前記電流測定デバイスが、前記スイッチトランジスタの第2の電流端子とグラウンド端子との間に結合される第1の抵抗器と、前記スイッチトランジスタの第2の電流端子と前記フィードバックパスとの間に結合される第2の抵抗器とを含む、パワーレギュレータ。 - パワーレギュレータであって、
基準電圧を生成するように構成される基準電圧源と、
デューティーサイクルを有するPWM信号を生成するように構成されるパルス幅変調(PWM)回路と、
前記PWM回路に結合されるアナログ乗算器回路であって、前記基準電圧と前記デューティーサイクルとに基づいてレギュレートされた電圧を生成するように構成される、前記アナログ乗算器回路と、
入力電圧源と、
前記入力電圧源に結合されるスイッチであって、前記PWM信号に応答して導通する、前記スイッチと、
前記スイッチに結合される電流測定デバイスであって、前記スイッチを介して流れる電流を示す測定された電圧を提供する、前記電流測定デバイスと、
前記PWM回路に結合される増幅器であって、前記レギュレートされた電圧と前記測定された電圧との間の差に基づいて前記PWM信号のデューティーサイクルを調節するように構成される、前記増幅器と、
を含む、パワーレギュレータ。 - 請求項8に記載のパワーレギュレータであって、
前記アナログ乗算器回路が、
フィルタ入力と、前記レギュレートされた電圧を放出するように構成されるフィルタ出力とを有するローパスフィルタと、
前記基準電圧源と前記フィルタ入力との間に結合される第1のスイッチであって、前記PWM信号を受信するように構成される第1の制御端子を有する、前記第1のスイッチと、
前記フィルタ入力とグラウンド端子との間に結合される第2のスイッチであって、前記PWM信号を反転する反転PWM信号を受信するように構成される第2の制御端子を有する、前記第2のスイッチと、
を含む、パワーレギュレータ。 - 請求項8に記載のパワーレギュレータであって、
前記増幅器が、前記PWM回路の入力に結合される増幅器出力と、前記アナログ乗算器回路からの前記レギュレートされた電圧を受信するように構成される非反転入力と、キャパシタを介して前記増幅器出力に結合される反転入力とを含む、パワーレギュレータ。 - 請求項8に記載のパワーレギュレータであって、
前記基準電圧が前記測定された電圧に関連する定電圧を含む、パワーレギュレータ。 - パワーレギュレータであって、
基準電圧を生成するように構成される基準電圧源と、
デューティーサイクルを有するPWM信号を生成するように構成されるパルス幅変調(PWM)回路と、
前記PWM回路に結合されるアナログ乗算器回路であって、前記基準電圧と前記デューティーサイクルとに基づいてレギュレートされた電圧を生成するように構成される、前記アナログ乗算器回路と、
前記PWM回路に結合される増幅器であって、前記レギュレートされた電圧と入力電流を概算する測定された電圧との間の差に基づいて前記PWM信号のデューティーサイクルを調節するように構成される、前記増幅器と、
前記PWM信号に基づいて前記入力電流を伝導するように構成されるスイッチと、
前記入力電流に関連する前記測定された電圧を生成するように構成される電流測定デバイスと、
入力電圧源と、
前記入力電圧源に結合されるカソードと、アノードとを有するダイオードと、
を含み、
前記電流測定デバイスが前記増幅器の反転入力に結合され、
前記スイッチが、前記ダイオードのアノードに結合される第1の電流端子と、前記電流測定デバイスに結合される第2の電流端子と、前記PWM信号を受信するように構成されるゲート端子とを有するトランジスタを含む、パワーレギュレータ。 - 請求項12に記載のパワーレギュレータであって、
前記増幅器が、前記レギュレートされた電圧を受信するように構成される非反転入力を含む、パワーレギュレータ。 - 請求項12に記載のパワーレギュレータであって、
前記電流測定デバイスが、前記トランジスタの第2の電流端子とグラウンド端子との間に結合される第1の抵抗器と、前記トランジスタの第2の電流端子と前記増幅器の反転入力との間に結合される第2の抵抗器とを含む、パワーレギュレータ。 - 請求項14に記載のパワーレギュレータであって、
前記基準電圧が、前記第1の抵抗器を介して伝導される前記入力電流をレギュレートするための定電圧を含む、パワーレギュレータ。 - パワーレギュレータであって、
基準電圧源と、
入力と出力とを有するパルス幅変調(PWM)回路と、
前記基準電圧源に結合される第1の入力と、前記PWM回路の出力に結合される第2の入力と、乗算器出力とを有するアナログ乗算器回路と、
入力電圧源と、
前記入力電圧源に結合されるスイッチトランジスタであって、前記PWM回路の出力に結合される制御入力を有する、前記スイッチトランジスタと、
前記スイッチトランジスタに結合される電流測定デバイスと、
前記PWM回路の入力に結合される増幅器出力と、前記アナログ乗算器回路の乗算器出力に結合される非反転入力と、前記電流測定デバイスに結合される反転入力とを有する増幅器と、
を含む、パワーレギュレータ。 - 請求項16に記載のパワーレギュレータであって、
前記増幅器の増幅器出力と反転入力との間に結合されるキャパシタを更に含む、パワーレギュレータ。 - 請求項16に記載のパワーレギュレータであって、
前記アナログ乗算器回路が、
フィルタ入力と、前記乗算器出力に結合されるフィルタ出力とを有するローパスフィルタと、
前記第1の入力と前記フィルタ入力との間に結合される第1のスイッチであって、前記第2の入力に結合される第1の制御端子を有する、前記第1のスイッチと、
前記第2の入力に結合されるインバータ入力と、インバータ出力とを有する、インバータと、
前記フィルタ入力とグラウンド端子との間に結合される第2のスイッチであって、前記インバータ出力に結合される第2の制御端子を有する、前記第2のスイッチと、
を含む、パワーレギュレータ。 - パワーレギュレータであって、
基準電圧源と、
入力と出力とを有するパルス幅変調(PWM)回路と、
前記基準電圧源に結合される第1の入力と、前記PWM回路の出力に結合される第2の入力と、乗算器出力とを有するアナログ乗算器回路と、
前記PWM回路の入力に結合される増幅器出力と、前記アナログ乗算器回路の乗算器出力に結合される非反転入力と、キャパシタを介して前記増幅器出力に結合される反転入力とを有する増幅器と、
入力電圧源と、
前記入力電圧源に結合されるカソードと、アノードとを有するダイオードと、
前記増幅器の反転入力に結合される電流測定デバイスと、
前記ダイオードのアノードに結合される第1の電流端子と、前記電流測定デバイスに結合される第2の電流端子と、前記PWM回路の出力に結合されるゲート端子とを有するスイッチトランジスタと、
を含む、パワーレギュレータ。 - 請求項19に記載のパワーレギュレータであって、
前記電流測定デバイスが、前記スイッチトランジスタの第2の電流端子とグラウンド端子との間に結合される第1の抵抗器と、前記スイッチトランジスタの第2の電流端子と前記増幅器の反転入力との間に結合される第2の抵抗器とを含む、パワーレギュレータ。
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