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TW200707896A - Motor driving circuit and disc apparatus using the same - Google Patents

Motor driving circuit and disc apparatus using the same

Info

Publication number
TW200707896A
TW200707896A TW095122139A TW95122139A TW200707896A TW 200707896 A TW200707896 A TW 200707896A TW 095122139 A TW095122139 A TW 095122139A TW 95122139 A TW95122139 A TW 95122139A TW 200707896 A TW200707896 A TW 200707896A
Authority
TW
Taiwan
Prior art keywords
rectangular wave
wave signals
mask
sigfg
circuit
Prior art date
Application number
TW095122139A
Other languages
English (en)
Inventor
Makoto Kuwamura
Original Assignee
Rohm Co Ltd
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
Priority claimed from JP2005179263A external-priority patent/JP4890796B2/ja
Priority claimed from JP2005305989A external-priority patent/JP4864416B2/ja
Application filed by Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of TW200707896A publication Critical patent/TW200707896A/zh

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position
    • H02P6/18—Circuit arrangements for detecting position without separate position detecting elements
    • H02P6/182—Circuit arrangements for detecting position without separate position detecting elements using back-emf in windings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
TW095122139A 2005-06-20 2006-06-20 Motor driving circuit and disc apparatus using the same TW200707896A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005179263A JP4890796B2 (ja) 2005-06-20 2005-06-20 モータ駆動回路およびそれを用いたディスク装置
JP2005305989A JP4864416B2 (ja) 2005-10-20 2005-10-20 モータ駆動回路およびそれを用いたディスク装置

Publications (1)

Publication Number Publication Date
TW200707896A true TW200707896A (en) 2007-02-16

Family

ID=37570388

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095122139A TW200707896A (en) 2005-06-20 2006-06-20 Motor driving circuit and disc apparatus using the same

Country Status (4)

Country Link
US (1) US7855523B2 (zh)
KR (1) KR20080028363A (zh)
TW (1) TW200707896A (zh)
WO (1) WO2006137360A1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI342106B (en) * 2007-12-28 2011-05-11 Feeling Technology Corp Method for controlling a direct current brushless motor, and control circuit
JP5711910B2 (ja) * 2010-07-29 2015-05-07 セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー モータ駆動回路
EP2888809A1 (en) * 2012-08-22 2015-07-01 Koninklijke Philips N.V. Rectifying circuit and method for an unbalanced two phase dc grid
JP7037462B2 (ja) * 2018-09-19 2022-03-16 株式会社東芝 モータ駆動装置
JP7768791B2 (ja) * 2022-02-08 2025-11-12 ローム株式会社 モータドライバ回路、それを用いた位置決め装置、ハードディスク装置、モータの駆動方法
US11798587B1 (en) * 2022-03-14 2023-10-24 Western Digital Technologies, Inc. Reducing noise in back EMF sensing for data storage

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2875529B2 (ja) * 1987-10-31 1999-03-31 ソニー株式会社 センサレスブラシレスモータの駆動装置
US5001405A (en) 1989-09-27 1991-03-19 Seagate Technology, Inc. Position detection for a brushless DC motor
JPH10174484A (ja) * 1996-12-10 1998-06-26 Zexel Corp 直流ブラシレスモータ駆動装置
JP3874482B2 (ja) 1997-02-24 2007-01-31 ローム株式会社 ３相ブラシレスモータの駆動回路及び駆動ｉｃ
KR100546814B1 (ko) * 1998-02-16 2006-01-26 로무 가부시키가이샤 센서레스 모터드라이버
JP3698583B2 (ja) * 1998-02-16 2005-09-21 ローム株式会社 センサレスモータドライバ
JP2003244983A (ja) * 2002-02-20 2003-08-29 Matsushita Electric Ind Co Ltd モータ駆動装置およびモータ駆動方法
JP2004015946A (ja) * 2002-06-10 2004-01-15 Toshiba Corp ランドリー機器のモータ駆動回路装置
JP4514108B2 (ja) * 2004-05-28 2010-07-28 ローム株式会社 ブラシレスモータ駆動制御回路及びそれを用いたブラシレスモータ装置
JP4698241B2 (ja) * 2005-02-01 2011-06-08 ルネサスエレクトロニクス株式会社 モータ駆動装置

Also Published As

Publication number Publication date
WO2006137360A1 (ja) 2006-12-28
US20100201295A1 (en) 2010-08-12
KR20080028363A (ko) 2008-03-31
US7855523B2 (en) 2010-12-21

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