TWI352491B - - Google Patents

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Publication number
TWI352491B
TWI352491B TW097134744A TW97134744A TWI352491B TW I352491 B TWI352491 B TW I352491B TW 097134744 A TW097134744 A TW 097134744A TW 97134744 A TW97134744 A TW 97134744A TW I352491 B TWI352491 B TW I352491B
Authority
TW
Taiwan
Prior art keywords
signal
channel
waveform
channels
error signal
Prior art date
Application number
TW097134744A
Other languages
English (en)
Chinese (zh)
Other versions
TW201012037A (en
Inventor
Chung Shu Li
jian rong Huang
Chung Sheng Cheng
Original Assignee
Richtek Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Richtek Technology Corp filed Critical Richtek Technology Corp
Priority to TW097134744A priority Critical patent/TW201012037A/zh
Priority to US12/585,219 priority patent/US8159197B2/en
Publication of TW201012037A publication Critical patent/TW201012037A/zh
Application granted granted Critical
Publication of TWI352491B publication Critical patent/TWI352491B/zh

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of DC power input into DC power output
    • H02M3/02Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10Conversion 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
    • H02M3/145Conversion 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
    • H02M3/155Conversion 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
    • H02M3/156Conversion 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of DC power input into DC power output
    • H02M3/02Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10Conversion 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
    • H02M3/145Conversion 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
    • H02M3/155Conversion 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
    • H02M3/156Conversion 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
    • H02M3/158Conversion 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
    • H02M3/1584Conversion 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 with a plurality of power processing stages connected in parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
TW097134744A 2008-09-10 2008-09-10 Control circuit of a multi-phase power converter with constant on-time control and method thereof TW201012037A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW097134744A TW201012037A (en) 2008-09-10 2008-09-10 Control circuit of a multi-phase power converter with constant on-time control and method thereof
US12/585,219 US8159197B2 (en) 2008-09-10 2009-09-09 Circuit and method for constant on-time control for an interleaved multiphase voltage regulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW097134744A TW201012037A (en) 2008-09-10 2008-09-10 Control circuit of a multi-phase power converter with constant on-time control and method thereof

Publications (2)

Publication Number Publication Date
TW201012037A TW201012037A (en) 2010-03-16
TWI352491B true TWI352491B (enExample) 2011-11-11

Family

ID=44828857

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097134744A TW201012037A (en) 2008-09-10 2008-09-10 Control circuit of a multi-phase power converter with constant on-time control and method thereof

Country Status (2)

Country Link
US (1) US8159197B2 (enExample)
TW (1) TW201012037A (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI388113B (zh) * 2010-02-04 2013-03-01 Richtek Technology Corp 減輕相電流之拍頻振盪的多相交錯式電壓調節器
CN102457185A (zh) * 2010-10-26 2012-05-16 立锜科技股份有限公司 多相切换式电源供应器及其驱动电路与控制方法
US8917073B2 (en) * 2012-11-02 2014-12-23 Monolithic Power Systems, Inc. Cot converter with controlled frequency and associated method
US9240724B2 (en) 2013-03-13 2016-01-19 Astec International Limited Multiphase DC/DC converters and control circuits for controlling converters using fixed and/or variable frequencies
US20150207400A1 (en) * 2014-01-21 2015-07-23 Texas Instruments Incorporated Control apparatus and method for thermal balancing in multiphase dc-dc converters
US10270343B2 (en) * 2015-04-27 2019-04-23 Monolithic Power Systems, Inc. Multiphase power supply with constant on-time DC-DC converters
US9490702B1 (en) * 2015-06-19 2016-11-08 Maxim Intergrated Products, Inc. Multi-phase voltage regulator control systems and methods
US10673339B2 (en) * 2015-07-23 2020-06-02 Texas Instruments Incorporated Hysteretic control for transformer based power converters
CN108199424B (zh) * 2017-12-20 2021-06-15 成都芯源系统有限公司 多相充电电路及其控制电路和控制方法
US10381918B1 (en) * 2018-02-19 2019-08-13 Microchip Technology Incorporated Multi-phase parallelable constant on time buck controller with phase interleaving ensured by ripple injection
KR102611984B1 (ko) * 2018-10-10 2023-12-08 삼성전자주식회사 인터리빙 회로를 포함하는 다상 스위칭 레귤레이터 및 이의 스위칭 레귤레이팅 방법
CN109586565B (zh) * 2018-11-28 2021-06-15 成都芯源系统有限公司 Cot控制的多相直流变换器及控制电路和均流方法
US10951117B2 (en) * 2019-04-08 2021-03-16 Intel Corporation Discontinuous conduction mode (DCM) voltage regulator circuit with reduced output voltage ripple
US12046986B2 (en) * 2020-05-20 2024-07-23 Cirrus Logic Inc. Load regulation of a power converter based on adjustable output voltage thresholds
CN115668721B (zh) 2020-05-20 2023-08-15 思睿逻辑国际半导体有限公司 功率转换器中的电流的随机化
US11502602B2 (en) 2020-10-14 2022-11-15 Infineon Technologies Austria Ag Multi-dimensional pulse width modulation control
IT202100011780A1 (it) * 2021-05-07 2022-11-07 St Microelectronics Srl Circuito di controllo per un convertitore buck multifase, relativo circuito integrato, convertitore buck multifase e procedimento per il funzionamento di un convertitore buck multifase
CN114679041A (zh) * 2022-04-14 2022-06-28 成都芯源系统有限公司 多相开关变换器及其集成电路控制器件和控制方法
CN115833551B (zh) * 2022-11-17 2025-05-06 成都芯源系统有限公司 多相开关变换器及其控制电路和故障检测方法
TWI890270B (zh) * 2024-01-12 2025-07-11 茂達電子股份有限公司 具有穩定輸出電壓的電源轉換器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6414470B1 (en) * 2002-01-22 2002-07-02 Richtek Technology Corp. Apparatus and method for balancing channel currents in a multi-phase DC-to-DC converter
US6897636B2 (en) * 2002-03-29 2005-05-24 Intersil Americas Inc. Method and circuit for scaling and balancing input and output currents in a multi-phase DC-DC converter using different input voltages
TWI220022B (en) * 2002-05-27 2004-08-01 Richtek Technology Corp Current sensing apparatus and method
US6912144B1 (en) * 2004-08-19 2005-06-28 International Rectifier Corporation Method and apparatus for adjusting current amongst phases of a multi-phase converter
EP1875591B1 (en) * 2005-04-12 2012-10-10 STMicroelectronics Srl Multi-phase voltage regulator
US7772811B1 (en) * 2007-07-13 2010-08-10 Chil Semiconductor Corporation Power supply configurations and adaptive voltage

Also Published As

Publication number Publication date
TW201012037A (en) 2010-03-16
US20110057632A1 (en) 2011-03-10
US8159197B2 (en) 2012-04-17

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Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees