TW365083B - Trim circuitry and method for accuracy improvement in current sensing - Google Patents
Trim circuitry and method for accuracy improvement in current sensingInfo
- Publication number
- TW365083B TW365083B TW086113713A TW86113713A TW365083B TW 365083 B TW365083 B TW 365083B TW 086113713 A TW086113713 A TW 086113713A TW 86113713 A TW86113713 A TW 86113713A TW 365083 B TW365083 B TW 365083B
- Authority
- TW
- Taiwan
- Prior art keywords
- transistor
- transistors
- currents
- current
- current flow
- Prior art date
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
- H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
-
- 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
- H02P6/28—Arrangements for controlling current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Measurement Of Current Or Voltage (AREA)
- Control Of Direct Current Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2618796P | 1996-09-19 | 1996-09-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW365083B true TW365083B (en) | 1999-07-21 |
Family
ID=21830372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW086113713A TW365083B (en) | 1996-09-19 | 1997-10-14 | Trim circuitry and method for accuracy improvement in current sensing |
Country Status (6)
Country | Link |
---|---|
US (1) | US5867001A (zh) |
EP (1) | EP0831579A1 (zh) |
JP (1) | JP3987613B2 (zh) |
KR (1) | KR100483100B1 (zh) |
SG (1) | SG55378A1 (zh) |
TW (1) | TW365083B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6151186A (en) * | 1996-10-03 | 2000-11-21 | Texas Instruments Incorporated | Trim circuitry and method for accuracy improvement in current sensing for a voice coil driver of the type used to move read/write heads in a hard disk drive, or the like |
JP2000166279A (ja) | 1998-12-01 | 2000-06-16 | Mitsubishi Electric Corp | 電流検出回路 |
US6922134B1 (en) * | 1998-04-14 | 2005-07-26 | The Goodyear Tire Rubber Company | Programmable trimmer for transponder |
US5977734A (en) * | 1998-09-09 | 1999-11-02 | Stmicroelectronics, Inc. | Circuit and method for determining optimal phase combination for startup of a polyphase DC motor |
US6347028B1 (en) | 1999-06-21 | 2002-02-12 | Lutron Electronics Co., Inc. | Load control system having an overload protection circuit |
US7187180B2 (en) * | 2005-01-31 | 2007-03-06 | Texas Instruments Incorporated | Method of sensing motor winding current in integrated stepper motor buffer |
US7573323B2 (en) * | 2007-05-31 | 2009-08-11 | Aptina Imaging Corporation | Current mirror bias trimming technique |
TWI353700B (en) * | 2008-01-28 | 2011-12-01 | Sunonwealth Electr Mach Ind Co | Motor driver for transient voltage suppression |
US8217615B2 (en) * | 2009-05-05 | 2012-07-10 | Texas Instruments Incorporated | Current sensing in a disk-drive spindle motor |
DE102011010567A1 (de) * | 2011-02-07 | 2012-08-09 | Magna Electronics Europe Gmbh & Co.Kg | Bürstenloser Gleichstrommotor |
US8963472B2 (en) * | 2012-03-20 | 2015-02-24 | Texas Instruments Incorporated | Integration of spindle external sense resistor into servo IC with stable resistance control circuit |
CN103633085B (zh) * | 2013-10-10 | 2017-03-01 | 吴宗宪 | 一种单芯片电流检测型功率器件 |
US9519303B2 (en) | 2014-02-10 | 2016-12-13 | Infineon Technologies Ag | Precision current sensing |
WO2019012777A1 (ja) * | 2017-07-11 | 2019-01-17 | 日立オートモティブシステムズ株式会社 | 電子制御装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4535276A (en) * | 1983-01-12 | 1985-08-13 | Matsushita Electric Industrial Co., Ltd. | Output circuit and brushless motor using the same |
US4490661A (en) * | 1983-07-28 | 1984-12-25 | Kollmorgen Technologies Corporation | Control system for synchronous brushless motors utilizing torque angle control |
JPH0288491U (zh) * | 1988-12-20 | 1990-07-12 | ||
JPH02285999A (ja) * | 1989-04-26 | 1990-11-26 | Citizen Watch Co Ltd | ステッピングモータの駆動回路 |
US5010282A (en) * | 1989-05-11 | 1991-04-23 | Eastman Kodak Company | Method and apparatus for driving a DC motor |
US5194786A (en) * | 1991-02-27 | 1993-03-16 | Kollmorgen Corporation | Linear current source amplifier for brushless dc motor |
JP3329541B2 (ja) * | 1993-11-30 | 2002-09-30 | 株式会社東芝 | モータ制御装置とモータ制御方法 |
US5493189A (en) * | 1993-12-17 | 1996-02-20 | Texas Instruments Incorporated | Soft switching scheme for driving three-phase brushless DC motor |
-
1997
- 1997-09-08 US US08/925,242 patent/US5867001A/en not_active Expired - Lifetime
- 1997-09-19 SG SG1997003467A patent/SG55378A1/en unknown
- 1997-09-19 JP JP29477397A patent/JP3987613B2/ja not_active Expired - Fee Related
- 1997-09-19 KR KR1019970048363A patent/KR100483100B1/ko not_active IP Right Cessation
- 1997-09-19 EP EP97307285A patent/EP0831579A1/en not_active Ceased
- 1997-10-14 TW TW086113713A patent/TW365083B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP3987613B2 (ja) | 2007-10-10 |
KR19980024892A (ko) | 1998-07-06 |
SG55378A1 (en) | 1998-12-21 |
EP0831579A1 (en) | 1998-03-25 |
JPH10127091A (ja) | 1998-05-15 |
KR100483100B1 (ko) | 2005-06-16 |
US5867001A (en) | 1999-02-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |