JP2019047720A - Dc−dc変換器にてフィードバック電流を生成するシステム及び方法 - Google Patents
Dc−dc変換器にてフィードバック電流を生成するシステム及び方法 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
- 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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- 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
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/575—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices characterised by the feedback circuit
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
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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
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
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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
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- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
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Abstract
Description
Claims (20)
- 電力変換器のインダクタ電流に基づいて、第1の電圧を生成するように構成された電流センス増幅器と、
第2の電圧を生成するように構成された電圧発生器と、
前記電力変換器がデューティサイクルの長位相にあるという判定に応じて、外部パルス幅変調器比較器へ前記第1の電圧を送り、
前記電力変換器がデューティサイクルの短位相にあるという判定に応じて、前記外部パルス幅変調器比較器へ前記第2の電圧を送る
ように構成された制御ロジックと、
を備える、電流フィードバック回路。 - 前記電圧発生器は、コンデンサと直列に接続された電流源を含み、前記コンデンサを充電する前記電流源は、前記第2の電圧を生成する、請求項1に記載の電流フィードバック回路。
- 前記電流源は、前記電力変換器の入力電圧と出力電圧との差に比例した電流を生成するように構成されている、請求項2に記載の電流フィードバック回路。
- 電流センス増幅器は、
前記電力変換器のインダクタ電流を受け取り、
前記インダクタ電流の低減版として、センス電流を生成し、
前記センス電流に基づいて、前記第1の電圧を生成する
ように構成されている、請求項1に記載の電流フィードバック回路。 - 前記電流センス増幅器の出力と前記PWM比較器の入力との間に第1のスイッチを更に備える前記電流フィードバック回路であって、
前記制御ロジックは、前記電力変換器が前記デューティサイクルの前記長位相にあるという判定に応じて、前記第1のスイッチを閉じるように更に構成されている、請求項1に記載の電流フィードバック回路。 - 前記電流源の出力と前記コンデンサの入力との間に第2のスイッチを更に備える前記電流フィードバック回路であって、
前記制御ロジックは、前記電力変換器が前記デューティサイクルの前記短位相にあるという判定に応じて、前記第2のスイッチを閉じるように更に構成されている、請求項5に記載の電流フィードバック回路。 - 電力変換器のインダクタ電流に基づいて、第1の電圧を生成することと、
電圧発生器により第2の電圧を生成することと、
前記電力変換器がデューティサイクルの長位相にあるという判定に応じて、外部パルス幅変調器比較器へ前記第1の電圧を送ることと、
前記電力変換器がデューティサイクルの短位相にあるという判定に応じて、前記外部パルス幅変調器比較器へ前記第2の電圧を送ることと、
を含む方法。 - 前記電圧発生器は、コンデンサと直列に接続された電流源を含み、前記コンデンサを充電する前記電流源は、前記第2の電圧を生成する、請求項7に記載の方法。
- 前記電流源により、前記電力変換器の入力電圧と出力電圧との差に比例した電流を生成する、請求項8に記載の方法。
- 電流センス増幅器により、前記電力変換器のインダクタ電流を受け取ることと、
前記インダクタ電流の低減版として、センス電流を生成することと、
前記センス電流に基づいて、前記第1の電圧を生成することと、
を更に含む、請求項7に記載の方法。 - 前記電力変換器が前記デューティサイクルの前記長位相にあるという判定に応じて、第1のスイッチを閉じることを更に含む前記方法であって、
前記第1のスイッチは、前記電流センス増幅器の出力と前記PWM比較器の入力との間に存在する、請求項10に記載の方法。 - 前記電力変換器が前記デューティサイクルの前記短位相にあるという判定に応じて、第2のスイッチを閉じることを更に含む前記方法であって、
前記第2のスイッチは、前記電流源の出力と前記コンデンサの入力との間に存在する、請求項11に記載の方法。 - 前記電力変換器が前記デューティサイクルの前記短位相にあるという判定に応じて、前記第1のスイッチを開くことと、
前記電力変換器が前記デューティサイクルの前記長位相にあるという判定に応じて、前記第2のスイッチを開くことと、
を更に含む請求項12に記載の方法。 - スイッチングノードに接続された出力に直列に接続された2つのパワートランジスタと、
前記2つのパワートランジスタを作動及び停止させて、ローパスフィルタのスイッチングノード入力の電圧を変化させるように構成されたコントローラと、
前記コントローラ内のパルス幅変調器比較器へ、前記ローパスフィルタ内を流れるインダクタ電流に少なくとも基づく電圧を送るように構成された電流フィードバック回路と、
を備える電力変換器であって、
前記電流フィードバック回路は、
電力変換器のインダクタ電流に基づいて、第1の電圧を生成するように構成された電流センス増幅器と、
第2の電圧を生成するように構成された電圧発生器と、
前記電力変換器がデューティサイクルの長位相にあるという判定に応じて、外部パルス幅変調器比較器へ前記第1の電圧を送り、
前記電力変換器がデューティサイクルの短位相にあるという判定に応じて、前記外部パルス幅変調器比較器へ前記第2の電圧を送る
ように構成された制御ロジックと、
を含む、電力変換器。 - 前記電圧発生器は、コンデンサと直列に接続された電流源を含み、前記コンデンサを充電する前記電流源は、前記第2の電圧を生成する、請求項14に記載の電力変換器。
- 前記電流源は、前記電力変換器の入力電圧と出力電圧との差に比例した電流を生成するように構成されている、請求項15に記載の電力変換器。
- 電流センス増幅器は、
前記電力変換器のインダクタ電流を受け取り、
前記インダクタ電流の低減版として、センス電流を生成し、
前記センス電流に基づいて、前記第1の電圧を生成する
ように構成されている、請求項14に記載の電力変換器。 - 前記電流フィードバック回路は、前記電流センス増幅器の出力と前記PWM比較器の入力との間に第1のスイッチを更に含み、
前記制御ロジックは、前記電力変換器が前記デューティサイクルの前記長位相にあるという判定に応じて、前記第1のスイッチを閉じるように更に構成されている、請求項14に記載の電力変換器。 - 前記電流フィードバック回路は、前記電流源の出力と前記コンデンサの入力との間に第2のスイッチを更に含み、
前記制御ロジックは、前記電力変換器が前記デューティサイクルの前記短位相にあるという判定に応じて、前記第2のスイッチを閉じるように更に構成されている、請求項18に記載の電力変換器。 - 前記制御ロジックは、
前記電力変換器が前記デューティサイクルの前記短位相にあるという判定に応じて、前記第1のスイッチを開き、
前記電力変換器が前記デューティサイクルの前記長位相にあるという判定に応じて、前記第2のスイッチを開く
ように更に構成されている、請求項19に記載の電力変換器。
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US15/691,461 US10348198B2 (en) | 2017-08-30 | 2017-08-30 | Systems and methods for generating a feedback current in a DC-DC converter |
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TWI715861B (zh) | 2021-01-11 |
DE102018214670A1 (de) | 2019-02-28 |
KR102134515B1 (ko) | 2020-07-15 |
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GB2567046B (en) | 2019-10-30 |
JP6695943B2 (ja) | 2020-05-20 |
US10348198B2 (en) | 2019-07-09 |
CN109428489B (zh) | 2020-05-01 |
KR20190024710A (ko) | 2019-03-08 |
CN109428489A (zh) | 2019-03-05 |
GB2567046A (en) | 2019-04-03 |
US20190068054A1 (en) | 2019-02-28 |
GB201812577D0 (en) | 2018-09-19 |
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