TW201012037A - Control circuit of a multi-phase power converter with constant on-time control and method thereof - Google Patents
Control circuit of a multi-phase power converter with constant on-time control and method thereof Download PDFInfo
- Publication number
- TW201012037A TW201012037A TW097134744A TW97134744A TW201012037A TW 201012037 A TW201012037 A TW 201012037A TW 097134744 A TW097134744 A TW 097134744A TW 97134744 A TW97134744 A TW 97134744A TW 201012037 A TW201012037 A TW 201012037A
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- channel
- waveform
- channels
- error
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 9
- 239000011707 mineral Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000000819 phase cycle Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 101150083298 Ramp2 gene Proteins 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000035559 beat frequency Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- H02M3/1584—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 with a plurality of power processing stages connected in parallel
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
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 true TW201012037A (en) | 2010-03-16 |
| TWI352491B 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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109586565A (zh) * | 2018-11-28 | 2019-04-05 | 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 |
| 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 |
Families Citing this family (17)
| 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 |
| 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 |
| US10951117B2 (en) * | 2019-04-08 | 2021-03-16 | Intel Corporation | Discontinuous conduction mode (DCM) voltage regulator circuit with reduced output voltage ripple |
| 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 |
| US11552569B2 (en) | 2020-05-20 | 2023-01-10 | Cirrus Logic, Inc. | Randomization of current in a power converter |
| 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 |
Family Cites Families (6)
| 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 |
| CN101204002B (zh) * | 2005-04-12 | 2011-07-06 | 意法半导体股份有限公司 | 多相电压调节器 |
| US7772811B1 (en) * | 2007-07-13 | 2010-08-10 | Chil Semiconductor Corporation | Power supply configurations and adaptive voltage |
-
2008
- 2008-09-10 TW TW097134744A patent/TW201012037A/zh not_active IP Right Cessation
-
2009
- 2009-09-09 US US12/585,219 patent/US8159197B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109586565A (zh) * | 2018-11-28 | 2019-04-05 | 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| US8159197B2 (en) | 2012-04-17 |
| US20110057632A1 (en) | 2011-03-10 |
| TWI352491B (enExample) | 2011-11-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |