CN104300927B - 具有斜度控制的自适应升压供电 - Google Patents
具有斜度控制的自适应升压供电 Download PDFInfo
- Publication number
- CN104300927B CN104300927B CN201410345940.4A CN201410345940A CN104300927B CN 104300927 B CN104300927 B CN 104300927B CN 201410345940 A CN201410345940 A CN 201410345940A CN 104300927 B CN104300927 B CN 104300927B
- Authority
- CN
- China
- Prior art keywords
- voltage
- amplitude
- circuit
- predetermined value
- frequency
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
- H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
- H03F3/2178—Class D power amplifiers; Switching amplifiers using more than one switch or switching amplifier in parallel or in series
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361846813P | 2013-07-16 | 2013-07-16 | |
US61/846,813 | 2013-07-16 | ||
US14/331,132 US9923528B2 (en) | 2013-07-16 | 2014-07-14 | Adaptive boost supply with slope control |
US14/331132 | 2014-07-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104300927A CN104300927A (zh) | 2015-01-21 |
CN104300927B true CN104300927B (zh) | 2019-04-16 |
Family
ID=52320533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410345940.4A Expired - Fee Related CN104300927B (zh) | 2013-07-16 | 2014-07-16 | 具有斜度控制的自适应升压供电 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104300927B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106982033A (zh) * | 2017-02-23 | 2017-07-25 | 锐迪科微电子(上海)有限公司 | 一种基于升压技术的功率放大器 |
CN116418231B (zh) * | 2023-06-12 | 2023-08-22 | 上海海栎创科技股份有限公司 | 一种供电电源的升压控制方法和音频装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6294904B1 (en) * | 1999-08-04 | 2001-09-25 | Hewlett-Packard Company | Multiple frequency switching power supply and methods to operate a switching power supply |
CN101136610A (zh) * | 2006-08-31 | 2008-03-05 | 沃福森微电子股份有限公司 | 放大器装置和方法 |
CN101714819A (zh) * | 2008-09-30 | 2010-05-26 | 富士通微电子株式会社 | 输出电压控制装置、输出电压控制方法和电子设备 |
CN102611306A (zh) * | 2012-03-27 | 2012-07-25 | 成都芯源***有限公司 | 开关变换器及其控制电路和控制方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5163058B2 (ja) * | 2007-11-02 | 2013-03-13 | 株式会社リコー | 昇降圧型スイッチングレギュレータ |
US8773084B2 (en) * | 2009-08-24 | 2014-07-08 | Micrel, Inc. | Buck-boost converter using timers for mode transition control |
JP5456495B2 (ja) * | 2010-01-19 | 2014-03-26 | スパンション エルエルシー | 昇降圧型のスイッチング電源の制御回路、昇降圧型のスイッチング電源、及び昇降圧型のスイッチング電源の制御方法 |
-
2014
- 2014-07-16 CN CN201410345940.4A patent/CN104300927B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6294904B1 (en) * | 1999-08-04 | 2001-09-25 | Hewlett-Packard Company | Multiple frequency switching power supply and methods to operate a switching power supply |
CN101136610A (zh) * | 2006-08-31 | 2008-03-05 | 沃福森微电子股份有限公司 | 放大器装置和方法 |
CN101714819A (zh) * | 2008-09-30 | 2010-05-26 | 富士通微电子株式会社 | 输出电压控制装置、输出电压控制方法和电子设备 |
CN102611306A (zh) * | 2012-03-27 | 2012-07-25 | 成都芯源***有限公司 | 开关变换器及其控制电路和控制方法 |
Also Published As
Publication number | Publication date |
---|---|
CN104300927A (zh) | 2015-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200429 Address after: Singapore City Patentee after: Marvell Asia Pte. Ltd. Address before: Ford street, Grand Cayman, Cayman Islands Patentee before: Kaiwei international Co. Effective date of registration: 20200429 Address after: Ford street, Grand Cayman, Cayman Islands Patentee after: Kaiwei international Co. Address before: Hamilton, Bermuda Patentee before: Marvell International Ltd. Effective date of registration: 20200429 Address after: Hamilton, Bermuda Patentee after: Marvell International Ltd. Address before: Babado J San Mega Le Patentee before: MARVELL WORLD TRADE Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 Termination date: 20200716 |
|
CF01 | Termination of patent right due to non-payment of annual fee |