JPS6420000A - Voltage regulator - Google Patents

Voltage regulator

Info

Publication number
JPS6420000A
JPS6420000A JP62172939A JP17293987A JPS6420000A JP S6420000 A JPS6420000 A JP S6420000A JP 62172939 A JP62172939 A JP 62172939A JP 17293987 A JP17293987 A JP 17293987A JP S6420000 A JPS6420000 A JP S6420000A
Authority
JP
Japan
Prior art keywords
decreases
output
voltage
vout
gradient
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.)
Granted
Application number
JP62172939A
Other languages
Japanese (ja)
Other versions
JP2529273B2 (en
Inventor
Keiichi Masuno
Moichi Takei
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.)
Hitachi Ltd
Hitachi Automotive Systems Engineering Co Ltd
Original Assignee
Hitachi Automotive Engineering Co Ltd
Hitachi 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 Hitachi Automotive Engineering Co Ltd, Hitachi Ltd filed Critical Hitachi Automotive Engineering Co Ltd
Priority to JP62172939A priority Critical patent/JP2529273B2/en
Priority to KR1019880004893A priority patent/KR910008548B1/en
Priority to US07/189,181 priority patent/US4831322A/en
Priority to DE3815842A priority patent/DE3815842A1/en
Publication of JPS6420000A publication Critical patent/JPS6420000A/en
Application granted granted Critical
Publication of JP2529273B2 publication Critical patent/JP2529273B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To reduce switching noise, by making feedback control so that the supply current from a switching power element has a slope waveform having a predetermined gradient with respect to time. CONSTITUTION:When the rotary speed of a generator rises to produce A.C. voltage across an armature winding 11, output from NOT gate 26 is brought to 0. When the battery voltage is higher than a predetermined level, output Q from D-type FF27 is brought to 0 and a slope generating circuit 30 decreases voltage Vout with a predetermined negative gradient. As Vout decreases, field current flowing through a power MOS.FET15 decreases. As the voltage of a battery 2 decreases, output Q from the D-type FF27 is inverted to 1, and the output Vout from the slope generating circuit 30 increases with a positive gradient. Consequently, the field current increases.
JP62172939A 1987-05-07 1987-07-13 Voltage regulator Expired - Lifetime JP2529273B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP62172939A JP2529273B2 (en) 1987-07-13 1987-07-13 Voltage regulator
KR1019880004893A KR910008548B1 (en) 1987-05-07 1988-04-29 Voltage controller for charging generator
US07/189,181 US4831322A (en) 1987-05-07 1988-05-02 Voltage regulator for charger/generator
DE3815842A DE3815842A1 (en) 1987-05-07 1988-05-09 VOLTAGE REGULATOR FOR BATTERY CHARGER / ALTERNATOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62172939A JP2529273B2 (en) 1987-07-13 1987-07-13 Voltage regulator

Publications (2)

Publication Number Publication Date
JPS6420000A true JPS6420000A (en) 1989-01-24
JP2529273B2 JP2529273B2 (en) 1996-08-28

Family

ID=15951150

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62172939A Expired - Lifetime JP2529273B2 (en) 1987-05-07 1987-07-13 Voltage regulator

Country Status (1)

Country Link
JP (1) JP2529273B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6424187B1 (en) 1996-12-18 2002-07-23 Hitachi, Ltd. Driving apparatus for power MOS transistor
US6707275B2 (en) 2000-09-07 2004-03-16 Denso Corporation Automative generator control apparatus
US7944183B2 (en) 2006-03-07 2011-05-17 Mitsubishi Denki Kabushiki Kaisha Output voltage controller for AC vehicle generator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57193999A (en) * 1981-05-20 1982-11-29 Shinko Electric Co Ltd Low noise type voltage regulator
JPS6264299A (en) * 1985-09-12 1987-03-23 Gen Motors Corp Method and circuit for regulating generator voltage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57193999A (en) * 1981-05-20 1982-11-29 Shinko Electric Co Ltd Low noise type voltage regulator
JPS6264299A (en) * 1985-09-12 1987-03-23 Gen Motors Corp Method and circuit for regulating generator voltage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6424187B1 (en) 1996-12-18 2002-07-23 Hitachi, Ltd. Driving apparatus for power MOS transistor
US6707275B2 (en) 2000-09-07 2004-03-16 Denso Corporation Automative generator control apparatus
DE10143726B4 (en) 2000-09-07 2018-07-26 Denso Corporation Vehicle generator controller
US7944183B2 (en) 2006-03-07 2011-05-17 Mitsubishi Denki Kabushiki Kaisha Output voltage controller for AC vehicle generator

Also Published As

Publication number Publication date
JP2529273B2 (en) 1996-08-28

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