JP4833812B2 - Ｐｗｍ駆動装置及びその出力オフセット補正方法 - Google Patents

Ｐｗｍ駆動装置及びその出力オフセット補正方法 Download PDF

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Publication number
JP4833812B2
JP4833812B2 JP2006324253A JP2006324253A JP4833812B2 JP 4833812 B2 JP4833812 B2 JP 4833812B2 JP 2006324253 A JP2006324253 A JP 2006324253A JP 2006324253 A JP2006324253 A JP 2006324253A JP 4833812 B2 JP4833812 B2 JP 4833812B2
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JP
Japan
Prior art keywords
circuit
voltage
current
pwm
correction
Prior art date
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Expired - Fee Related
Application number
JP2006324253A
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English (en)
Japanese (ja)
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JP2008141376A5 (enExample
JP2008141376A (ja
Inventor
久典 長瀬
智宏 久米
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Filing date
Publication date
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2006324253A priority Critical patent/JP4833812B2/ja
Priority to US11/940,028 priority patent/US7817399B2/en
Priority to CNA2007101928968A priority patent/CN101192805A/zh
Publication of JP2008141376A publication Critical patent/JP2008141376A/ja
Publication of JP2008141376A5 publication Critical patent/JP2008141376A5/ja
Application granted granted Critical
Publication of JP4833812B2 publication Critical patent/JP4833812B2/ja
Expired - Fee Related legal-status Critical Current
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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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • 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
    • H02M3/1555—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 for the generation of a regulated current to a load whose impedance is substantially inductive

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Control Of Linear Motors (AREA)
JP2006324253A 2006-11-30 2006-11-30 Ｐｗｍ駆動装置及びその出力オフセット補正方法 Expired - Fee Related JP4833812B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006324253A JP4833812B2 (ja) 2006-11-30 2006-11-30 Ｐｗｍ駆動装置及びその出力オフセット補正方法
US11/940,028 US7817399B2 (en) 2006-11-30 2007-11-14 PWM drive apparatus and method for correcting output offset thereof
CNA2007101928968A CN101192805A (zh) 2006-11-30 2007-11-28 Pwm驱动装置及其输出偏置修正方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006324253A JP4833812B2 (ja) 2006-11-30 2006-11-30 Ｐｗｍ駆動装置及びその出力オフセット補正方法

Publications (3)

Publication Number Publication Date
JP2008141376A JP2008141376A (ja) 2008-06-19
JP2008141376A5 JP2008141376A5 (enExample) 2009-08-06
JP4833812B2 true JP4833812B2 (ja) 2011-12-07

Family

ID=39475421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006324253A Expired - Fee Related JP4833812B2 (ja) 2006-11-30 2006-11-30 Ｐｗｍ駆動装置及びその出力オフセット補正方法

Country Status (3)

Country Link
US (1) US7817399B2 (enExample)
JP (1) JP4833812B2 (enExample)
CN (1) CN101192805A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4833812B2 (ja) * 2006-11-30 2011-12-07 パナソニック株式会社 Ｐｗｍ駆動装置及びその出力オフセット補正方法
TWI410773B (zh) * 2010-07-29 2013-10-01 Richtek Technology Corp 固定工作時間切換式直流對直流電源供應器及其控制電路及方法
CN102384999B (zh) * 2010-08-30 2015-08-19 深圳艾科创新微电子有限公司 一种高速传输事件检测方法及电路
CN102243505B (zh) * 2011-07-07 2013-08-14 矽力杰半导体技术(杭州)有限公司 一种低失调、快速响应的电压控制电流源、控制方法以及应用其的电源电路
CN103762948B (zh) * 2013-12-24 2016-09-28 芯原微电子(上海)有限公司 一种集成于片上系统的cmos 射频功率放大器
US9602062B2 (en) 2014-06-30 2017-03-21 Qualcomm Incorporated Audio switching amplifier
US10224877B2 (en) 2017-01-20 2019-03-05 Cirrus Logic, Inc. Closed-loop digital compensation scheme
US10236827B2 (en) * 2017-01-20 2019-03-19 Cirrus Logic, Inc. Offset calibration for amplifier and preceding circuit
US10819328B2 (en) 2018-10-14 2020-10-27 Cirrus Logic, Inc. PWM modulator having quantizer with controllable analog gain and calibratable for multi-non-ideal gain-affecting characteristics
CN114172368A (zh) * 2021-11-12 2022-03-11 珠海格力智能装备有限公司 电压控制装置及用电设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300081A (en) * 1980-03-14 1981-11-10 General Motors Corporation Motor voltage feedback for a servo motor control system
EP0117558B1 (en) * 1983-02-28 1988-08-24 Hitachi, Ltd. Method and apparatus for controlling pwm inverter
US4965504A (en) * 1988-09-20 1990-10-23 Hitachi, Ltd. Control apparatus for inverter for driving AC motor
FR2707051B1 (enExample) * 1993-06-10 1996-03-08 Matsushita Electric Works Ltd
JP3803437B2 (ja) 1996-10-30 2006-08-02 松下電器産業株式会社 パルス幅変調方式駆動装置
US5990751A (en) * 1997-10-16 1999-11-23 Nikon Corporation Method and apparatus for improving power transfer efficiency of an amplifier system
US6441685B1 (en) * 2000-03-17 2002-08-27 Jl Audio, Inc. Amplifier circuit and method for providing negative feedback thereto
JP4810775B2 (ja) * 2001-08-03 2011-11-09 日本テキサス・インスツルメンツ株式会社 Ｄｃ−ｄｃコンバータ
JP4618017B2 (ja) * 2004-07-02 2011-01-26 ヤマハ株式会社 パルス幅変調増幅器のクリップ抑止回路
JP2006135904A (ja) * 2004-11-09 2006-05-25 Matsushita Electric Ind Co Ltd 負荷駆動装置及び負荷駆動方法
JP4833812B2 (ja) * 2006-11-30 2011-12-07 パナソニック株式会社 Ｐｗｍ駆動装置及びその出力オフセット補正方法
US7489190B2 (en) * 2007-07-11 2009-02-10 Himax Analogic, Inc. Switching audio power amplifier with de-noise function

Also Published As

Publication number Publication date
US20080130186A1 (en) 2008-06-05
CN101192805A (zh) 2008-06-04
US7817399B2 (en) 2010-10-19
JP2008141376A (ja) 2008-06-19

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