TWI456875B - 電源控制電路以及方法 - Google Patents

電源控制電路以及方法 Download PDF

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Publication number
TWI456875B
TWI456875B TW101102424A TW101102424A TWI456875B TW I456875 B TWI456875 B TW I456875B TW 101102424 A TW101102424 A TW 101102424A TW 101102424 A TW101102424 A TW 101102424A TW I456875 B TWI456875 B TW I456875B
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TW
Taiwan
Prior art keywords
power control
power supply
power
signal
cluster
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TW101102424A
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English (en)
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TW201332262A (zh
Inventor
Chen Lun Yang
Shun Chin Chou
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Leadtrend Tech Corp
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Priority to TW101102424A priority Critical patent/TWI456875B/zh
Priority to US13/744,377 priority patent/US9046382B2/en
Publication of TW201332262A publication Critical patent/TW201332262A/zh
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/10—Measuring arrangements giving results other than momentary value of variable, of general application giving differentiated values
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/10—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with axial admission
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
    • H02M1/0035—Control circuits allowing low power mode operation, e.g. in standby mode using burst mode control
    • 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Dc-Dc Converters (AREA)

Claims (17)

  1. 一種電源控制電路，適用於一電源供應器，包含有：一時脈產生器，用以提供一時脈信號，可用以決定該電源供應器之開關循環；一相位控制器，用以偵測一群組參考信號以及一叢集起始信號之相位，以產生一叢集信號，以使該叢集信號所對應之一群組週期，不低於該群組參考信號所對應之一群組參考週期，其中，該叢集信號可切換該電源供應器處於一不開關狀態與一開關狀態其中之一；以及一能量固定器，定義該電源供應器由一不開關狀態轉態成一開關狀態後之一叢集起始時間，並於該叢集起始時間內，限制該電源供應器每一開關循環中，所轉換的電能；其中，該叢集起始時間不少於該群組參考週期；以及該叢集起始信號關聯於該電源供應器之一輸出電源。
  2. 如申請專利範圍第1項之該電源控制電路，其中，該叢集起始信號係依據一補償信號而產生，該補償信號係受控於該電源供應器之一輸出電源。
  3. 如申請專利範圍第1項之該電源控制電路，其中，該電源供應器包含有一電感元件，以及，於該叢集起始時間內，該能量固定器使流經該電感元件之數個電流峰值，為一預設值。
  4. 如申請專利範圍第1項之該電源控制電路，該能量固定器使該電源供應器每一開關循環中，所轉換的電能不超過一預設值，該電源控制電路另包含有：一電能設定器，依據一偵測結果，來設定該預設值；其中，該偵測結果關聯於一電子元件。
  5. 如申請專利範圍第4項之該電源控制電路，其中，該電源控制電路為一單晶積體電路，該電子元件係為一外接電容，該電源控制電路另包含有：一群組參考信號產生器，對該外接電容充放電，以產生該群組參考信號。
  6. 如申請專利範圍第4項之該電源控制電路，其中，該電能設定器包含有一計數器，該電能設定器依據該計數器之一計數結果，從數個預定數值中，擇一作為該預設值。
  7. 如申請專利範圍第1項之該電源控制電路，另包含有：一叢集開始計時器，用以決定該叢集起始時間。
  8. 一種電源控制方法，適用於一電源供應器，包含有：提供一叢集起始信號，關聯於該電源供應器之一輸出電源；依據該叢集起始信號以及一群組參考信號，來產生一叢集信號，並使該叢集信號所對應之一群組週期，不低於該群組參考信號所對應之一群組參考週期，其中，該叢集信號得切換該電源供應器處於一不開關狀態與一開關狀態其中之一；定義於該電源供應器由一不開關狀態轉態成一開關狀態後之一叢集起始時間；以及於該叢集起始時間內，限制該電源供應器每一開關循環中，所轉換的電能，其中，該叢集起始時間不少於該群組參考週期。
  9. 如申請專利範圍第8項之該電源控制方法，另包含有：依據一補償信號而產生該叢集起始信號，其中，該補償信號係受控於該電源供應器之一輸出電源。
  10. 如申請專利範圍第8項之該電源控制方法，包含有：於該叢集起始時間內，在每一開關循環中，使流經一電感元件之電流峰值，為一預設值。
  11. 如申請專利範圍第10項之該電源控制方法，另包含有：依據一偵測結果，來設定該預設值；其中，該偵測結果關聯於一電子元件。
  12. 如申請專利範圍第10項之該電源控制方法，其中，該電源控制方法適用於一單晶積體電路，該電子元件係為一外接電容，該電源控制方法另包含有：對該外接電容充放電，以產生該群組參考信號。
  13. 如申請專利範圍第8項之該電源控制方法，另包含有： 依據該群組參考信號以及該叢集信號，決定該叢集起始時間。
  14. 一種電源控制電路，適用於一電源供應器，該電源供應器可處於一不開關狀態與一開關狀態其中之一，該電源控制電路包含有：一時脈產生器，用以提供一時脈信號，可用以決定該電源供應器之開關循環；一群組參考信號產生器，提供一群組參考信號，該群組參考信號所對應之一群組參考週期，大於該時脈信號所對應之一開關週期；一叢集開始計時器，用以定義於該電源供應器從一不開關狀態切換至一開關狀態後之一叢集起始時間，且該叢集起始時間不小於該群組參考週期；以及一能量固定器，於該叢集起始時間，限制該電源供應器每一開關循環中，所轉換的電能。
  15. 如申請專利範圍第14項之該電源控制電路，該能量固定器使該電源供應器每一開關循環中，所轉換的電能不超過一預設值，該電源控制電路另包含有：一電能設定器，依據一偵測結果，來設定該預設值；其中，該偵測結果關聯於一電子元件。
  16. 如申請專利範圍第15項之該電源控制電路，其中，該電源控制電路為一單晶積體電路，該電子元件係為一外接電容，該群組參考信號產生器，對該外接電容充放電，以產生該群組參考信號。
  17. 如申請專利範圍第15項之該電源控制電路，其中，該電能設定器包含有一計數器，該電能設定器依據該計數器之一計數結果，從數個預定數值中，擇一作為該預設值。
TW101102424A 2012-01-20 2012-01-20 電源控制電路以及方法 TWI456875B (zh)

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US13/744,377 US9046382B2 (en) 2012-01-20 2013-01-17 Power control circuits and methods

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI555315B (zh) * 2015-04-28 2016-10-21 力林科技股份有限公司 電源供應裝置及電源處理方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI497889B (zh) * 2013-07-23 2015-08-21 Leadtrend Tech Corp 用以降低電源轉換器的觸碰電流的控制電路及其操作方法
DE102016103474B4 (de) * 2016-02-26 2021-07-22 Fujitsu Client Computing Limited Schaltnetzteil und elektronisches Gerät mit einem Schaltnetzteil
US20240039385A1 (en) * 2022-07-29 2024-02-01 Texas Instruments Incorporated Adaptive spread-spectrum modulation for dc/dc converters

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US20080175029A1 (en) * 2007-01-18 2008-07-24 Sang-Hwa Jung Burst mode operation in a DC-DC converter
TW200939604A (en) * 2008-03-03 2009-09-16 System General Corp Switching controller with burst mode management circuit to reduce power loss and acoustic noise of power converter

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US7034513B2 (en) * 2003-09-03 2006-04-25 Delta Electronics, Inc. Power supply having efficient low power standby mode
TWI422129B (zh) 2010-12-28 2014-01-01 Leadtrend Tech Corp 電源控制電路以及方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080175029A1 (en) * 2007-01-18 2008-07-24 Sang-Hwa Jung Burst mode operation in a DC-DC converter
TW200939604A (en) * 2008-03-03 2009-09-16 System General Corp Switching controller with burst mode management circuit to reduce power loss and acoustic noise of power converter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI555315B (zh) * 2015-04-28 2016-10-21 力林科技股份有限公司 電源供應裝置及電源處理方法
US9825536B2 (en) 2015-04-28 2017-11-21 Power Forest Technology Corporation Flyback converter with dynamic limits based upon duty cycle and power processing method

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US9046382B2 (en) 2015-06-02
TW201332262A (zh) 2013-08-01
US20130187621A1 (en) 2013-07-25

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