JP2010288425A - モータ制御装置及びディスク駆動装置 - Google Patents

モータ制御装置及びディスク駆動装置 Download PDF

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Publication number
JP2010288425A
JP2010288425A JP2009142561A JP2009142561A JP2010288425A JP 2010288425 A JP2010288425 A JP 2010288425A JP 2009142561 A JP2009142561 A JP 2009142561A JP 2009142561 A JP2009142561 A JP 2009142561A JP 2010288425 A JP2010288425 A JP 2010288425A
Authority
JP
Japan
Prior art keywords
motor
voltage
transistor
supply line
power supply
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.)
Pending
Application number
JP2009142561A
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English (en)
Japanese (ja)
Other versions
JP2010288425A5 (enExample
Inventor
Masaki Yamashita
昌樹 山下
Chisako Ota
知佐子 大田
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.)
Texas Instruments Japan Ltd
Original Assignee
Texas Instruments Japan 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
Application filed by Texas Instruments Japan Ltd filed Critical Texas Instruments Japan Ltd
Priority to JP2009142561A priority Critical patent/JP2010288425A/ja
Priority to US12/730,846 priority patent/US8228629B2/en
Publication of JP2010288425A publication Critical patent/JP2010288425A/ja
Publication of JP2010288425A5 publication Critical patent/JP2010288425A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/12—Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Multiple Motors (AREA)
JP2009142561A 2009-06-15 2009-06-15 モータ制御装置及びディスク駆動装置 Pending JP2010288425A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009142561A JP2010288425A (ja) 2009-06-15 2009-06-15 モータ制御装置及びディスク駆動装置
US12/730,846 US8228629B2 (en) 2009-06-15 2010-03-24 Reaction control charge pump, capacitor, and transistor to power lead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009142561A JP2010288425A (ja) 2009-06-15 2009-06-15 モータ制御装置及びディスク駆動装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2013244501A Division JP2014068530A (ja) 2013-11-27 2013-11-27 ディスク駆動装置

Publications (2)

Publication Number Publication Date
JP2010288425A true JP2010288425A (ja) 2010-12-24
JP2010288425A5 JP2010288425A5 (enExample) 2012-07-26

Family

ID=43306234

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009142561A Pending JP2010288425A (ja) 2009-06-15 2009-06-15 モータ制御装置及びディスク駆動装置

Country Status (2)

Country Link
US (1) US8228629B2 (enExample)
JP (1) JP2010288425A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9054607B2 (en) 2013-04-05 2015-06-09 Rohm Co., Ltd. Motor drive device, magnetic disk storage device, and electronic device
US9093106B2 (en) 2013-04-05 2015-07-28 Rohm Co., Ltd. Motor drive device, magnetic disk storage device, and electronic appliance
US9142248B2 (en) 2013-04-05 2015-09-22 Rohm Co., Ltd. Motor drive device, magnetic disk storage device, and electronic device
JP2017506535A (ja) * 2014-02-14 2017-03-09 シロナ・デンタル・システムズ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 同期機のための制御回路及び制御方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5549119B2 (ja) * 2009-05-31 2014-07-16 日本テキサス・インスツルメンツ株式会社 ディスク駆動装置
IT1403281B1 (it) * 2010-12-23 2013-10-17 St Microelectronics Srl Apparato per la gestione di un motore rotante ed un carico annesso durante l'assenza di alimentazione esterna.
US9105290B2 (en) * 2013-12-11 2015-08-11 Seagate Technology Llc Discontinuous charge/discharge power source for retract application
JP6619000B2 (ja) * 2015-06-23 2019-12-11 株式会社Ｆｕｊｉ 作業ユニット用電源装置
CN113437918B (zh) * 2021-07-02 2023-06-27 深圳鹏行智能研究有限公司 电机驱动电路
IT202200019116A1 (it) 2022-09-19 2024-03-19 St Microelectronics Srl Procedimento di funzionamento di unità a disco rigido, circuito di controllo, unità a disco rigido e dispositivo elaboratore corrispondenti

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866554A (en) * 1986-11-06 1989-09-12 Peripheral Technology, Inc. Automatic head retract system for disk drive
JP2002511692A (ja) * 1998-04-14 2002-04-16 エヌエムビー（ユーエスエイ）・インコーポレイテッド ダイオードをシミュレーションする回路
JP2002352539A (ja) * 2001-05-23 2002-12-06 Hitachi Ltd 磁気ディスク記憶装置および磁気ディスク記憶装置の制御方法
JP2004013994A (ja) * 2002-06-06 2004-01-15 Renesas Technology Corp 磁気ディスク記憶システム
JP2004086982A (ja) * 2002-08-26 2004-03-18 Renesas Technology Corp 磁気ディスク記憶システム
JP2004178629A (ja) * 2002-11-25 2004-06-24 Renesas Technology Corp 磁気ディスク記憶システム
JP2005071513A (ja) * 2003-08-27 2005-03-17 Matsushita Electric Ind Co Ltd 磁気ディスク装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE34399E (en) * 1987-02-26 1993-10-05 Micropolis Corporation Winchester disk drive motor circuitry
US4831469A (en) * 1987-07-29 1989-05-16 International Business Machines Corporation Disk drive head retract and motor braking method and apparatus
JP3028515B2 (ja) * 1997-06-30 2000-04-04 インターナショナル・ビジネス・マシーンズ・コーポレイション ヘッド機構制御装置およびディスクドライブ装置ならびにヘッドアンロード制御方法
US6081400A (en) * 1997-11-14 2000-06-27 Castlewood Systems, Inc. Power-off method and device for electronic storage apparatus
US20100067140A1 (en) * 2008-09-15 2010-03-18 Masaki Yamashita Disk-Drive Read/Write Head Retraction Velocity Control

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866554A (en) * 1986-11-06 1989-09-12 Peripheral Technology, Inc. Automatic head retract system for disk drive
JP2002511692A (ja) * 1998-04-14 2002-04-16 エヌエムビー（ユーエスエイ）・インコーポレイテッド ダイオードをシミュレーションする回路
JP2002352539A (ja) * 2001-05-23 2002-12-06 Hitachi Ltd 磁気ディスク記憶装置および磁気ディスク記憶装置の制御方法
JP2004013994A (ja) * 2002-06-06 2004-01-15 Renesas Technology Corp 磁気ディスク記憶システム
JP2004086982A (ja) * 2002-08-26 2004-03-18 Renesas Technology Corp 磁気ディスク記憶システム
JP2004178629A (ja) * 2002-11-25 2004-06-24 Renesas Technology Corp 磁気ディスク記憶システム
JP2005071513A (ja) * 2003-08-27 2005-03-17 Matsushita Electric Ind Co Ltd 磁気ディスク装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9054607B2 (en) 2013-04-05 2015-06-09 Rohm Co., Ltd. Motor drive device, magnetic disk storage device, and electronic device
US9093106B2 (en) 2013-04-05 2015-07-28 Rohm Co., Ltd. Motor drive device, magnetic disk storage device, and electronic appliance
US9142248B2 (en) 2013-04-05 2015-09-22 Rohm Co., Ltd. Motor drive device, magnetic disk storage device, and electronic device
JP2017506535A (ja) * 2014-02-14 2017-03-09 シロナ・デンタル・システムズ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 同期機のための制御回路及び制御方法

Also Published As

Publication number Publication date
US8228629B2 (en) 2012-07-24
US20100315738A1 (en) 2010-12-16

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