KR20100088527A - Dcdc 컨버터 및 스위칭 제어 회로 - Google Patents
Dcdc 컨버터 및 스위칭 제어 회로 Download PDFInfo
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/22—Modifications for ensuring a predetermined initial state when the supply voltage has been applied
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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
- H02M3/158—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 including plural semiconductor devices as final control devices for a single load
- H02M3/1588—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 including plural semiconductor devices as final control devices for a single load comprising at least one synchronous rectifier element
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/1213—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for DC-DC converters
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
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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
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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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/06—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/064—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode with several outputs
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0822—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in field-effect transistor switches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
- F15B2211/328—Directional control characterised by the type of actuation electrically or electronically with signal modulation, e.g. pulse width modulation [PWM]
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0029—Circuits or arrangements for limiting the slope of switching signals, e.g. slew rate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
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- Dc-Dc Converters (AREA)
Abstract
인덕터에 전류를 흘리는 구동용 스위칭 소자(M1)와, 정류 소자(M2)와, 출력 단자에 접속된 평활용 콘덴서를 구비한 스위칭·레귤레이터 방식의 DC-DC 컨버터에 있어서, 적어도 구동용 스위칭 소자(M1)를 온, 오프 구동하는 구동 신호를 생성하는 구동 회로(DRV1)는, 구동용 스위칭 소자를 온 상태로부터 오프 상태로 이행시킬 때의 구동 신호의 천이 시간(tr1)보다, 구동용 스위칭 소자를 오프 상태로부터 온 상태로 이행시킬 때의 구동 신호의 천이 시간(tf1) 쪽이 길어지도록 구동 신호를 생성하도록 했다.
Description
도 2는 실시형태의 DC-DC 컨버터에 있어서의 구동용 스위치 트랜지스터(M1)와 정류용 스위치 트랜지스터(M2)를 온, 오프 구동하는 게이트 구동 신호(GP1과 GP2)의 변화의 모습을 도시한 파형도이다.
도 3은 일반적인 동기 정류형 DC-DC 컨버터의 개략 구성을 도시한 블록 구성도이다.
도 4는 종래의 DC-DC 컨버터에 있어서의 구동용 스위치 트랜지스터(M1)와 정류용 스위치 트랜지스터(M2)를 온, 오프 구동하는 게이트 구동 신호(GP1과 GP2)의 변화의 타이밍을 도시한 타이밍 차트이다.
도 5는 종래의 DC-DC 컨버터에 있어서의 게이트 구동 신호(GP1과 GP2)를 확대하여 도시한 파형도이다.
22…PWM 콤퍼레이터 23…출력 제어 로직
FB…피드백 단자 R1, R2…분압 저항
L1…코일(인덕터) C1…평활용 콘덴서
DRV1, DRV2…출력 드라이버
M1…구동용 스위치 트랜지스터(구동용 스위칭 소자)
M2…동기 정류용 스위치 트랜지스터(정류용 스위칭 소자)
Claims (6)
- 전압변환용의 인덕터에 전류를 흘리는 구동용 스위칭 소자를 온, 오프 구동하는 구동 신호를 생성하는 제1 구동 회로를 구비한 스위칭 제어 회로로서,
상기 제1 구동 회로는 상기 구동용 스위칭 소자를 온 상태로부터 오프 상태로 이행시킬 때의 구동 신호의 천이 시간보다, 상기 구동용 스위칭 소자를 오프 상태로부터 온 상태로 이행시킬 때의 구동 신호의 천이 시간 쪽이 길어지도록 구동 신호를 생성하는 것을 특징으로 하는 스위칭 제어 회로. - 제 1 항에 있어서,
상기 스위칭 제어 회로는 상기 구동용 스위칭 소자가 오프로 되어 있는 기간에 코일의 전류를 정류하는 정류용 스위칭 소자의 구동 신호를 생성하는 제2 구동 회로를 추가로 구비하고,
상기 제2 구동 회로는 상기 정류용 스위칭 소자를 온 상태로부터 오프 상태로 이행시킬 때의 구동 신호의 천이 시간보다, 상기 정류용 스위칭 소자를 오프 상태로부터 온 상태로 이행시킬 때의 구동 신호의 천이 시간 쪽이 길어지도록 구동 신호를 생성하는 것을 특징으로 하는 스위칭 제어 회로. - 제 2 항에 있어서,
상기 구동용 스위칭 소자는 P채널형 전계효과 트랜지스터로 구성되고, 상기정류용 스위칭 소자는 N채널형 전계효과 트랜지스터로 구성되어 있으며,
상기 제1 구동 회로는 이 구동 회로로부터 출력되는 구동 신호의 로우 레벨로부터 하이 레벨로의 천이 시간보다, 하이 레벨로부터 로우 레벨로의 천이 시간 쪽이 길고, 상기 제2 구동 회로는 이 구동 회로로부터 출력되는 구동 신호의 하이 레벨로부터 로우 레벨로의 천이 시간보다, 로우 레벨로부터 하이 레벨로의 천이 시간 쪽이 길어지도록 구성되어 있는 것을 특징으로 하는 스위칭 제어 회로. - 제 3 항에 있어서,
상기 제1 및 제2 구동 회로는 CMOS 인버터에 의해 구성되고, 제1 구동 회로로서의 CMOS 인버터는 P채널형 전계효과 트랜지스터의 전류구동력 쪽이 N채널형 전계효과 트랜지스터의 전류구동력보다 크고, 제2 구동 회로로서의 CMOS 인버터는 N채널형 전계효과 트랜지스터의 전류구동력 쪽이 P채널형 전계효과 트랜지스터의 전류구동력보다도 커지도록, 각각 형성되어 있는 것을 특징으로 하는 스위칭 제어 회로. - 제 3 항 또는 제 4 항에 있어서,
상기 제1 구동 회로에 있어서의 구동 신호의 하이 레벨로부터 로우 레벨로의 천이 시간 및 상기 제2 구동 회로로부터 출력되는 구동 신호의 로우 레벨로부터 하이 레벨로의 천이 시간은 상기 구동 신호의 주기의 5% 이하인 것을 특징으로 하는 스위칭 제어 회로. - 전압변환용의 인덕터와, 이 인덕터에 전류를 흘리는 구동용 스위칭 소자와, 이 구동용 스위칭 소자가 오프로 되어 있는 기간에 코일의 전류를 정류하는 정류용 스위칭 소자와, 출력 단자에 접속된 평활용 콘덴서와, 상기 구동용 스위칭 소자와 상기 정류용 스위칭 소자의 구동 신호를 생성하는 제 2 항 내지 제 5 항 중 어느 한 항에 기재된 스위칭 제어 회로를 구비한 것을 특징으로 하는 DC-DC 컨버터.
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JP2009020373A JP5304281B2 (ja) | 2009-01-30 | 2009-01-30 | Dc−dcコンバータおよびスイッチング制御回路 |
JPJP-P-2009-020373 | 2009-01-30 |
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US (1) | US20100194371A1 (ko) |
EP (1) | EP2214298B1 (ko) |
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KR101946386B1 (ko) | 2012-12-11 | 2019-02-11 | 삼성전자주식회사 | 전류 모드 펄스 폭 변조 부스트 변환기 |
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US9548729B2 (en) | 2015-06-16 | 2017-01-17 | Cypress Semiconductor Corporation | Switching circuit |
JP6319276B2 (ja) * | 2015-11-20 | 2018-05-09 | トヨタ自動車株式会社 | スイッチング回路 |
CN115357076A (zh) * | 2022-07-11 | 2022-11-18 | 江苏芯潭微电子有限公司 | 一种输出电压的振荡抑制电路及方法 |
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2010
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- 2010-01-26 US US12/693,642 patent/US20100194371A1/en not_active Abandoned
- 2010-01-27 EP EP10151726.6A patent/EP2214298B1/en not_active Not-in-force
- 2010-01-28 CN CN201010104741.6A patent/CN101860208B/zh active Active
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JP2004112958A (ja) | 2002-09-20 | 2004-04-08 | Ricoh Co Ltd | スパイクノイズ低減装置とスイッチングレギュレータおよびdc−dcコンバータ |
US20060132113A1 (en) * | 2004-12-16 | 2006-06-22 | Cha Jae-Deok | Synchronous buck DC/DC converter to perform an improved switching operation by adjusting variable resistor |
US20070085520A1 (en) * | 2005-06-17 | 2007-04-19 | Via Technologies, Inc. | A pulse-frequency mode dc-dc converter circuit |
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Also Published As
Publication number | Publication date |
---|---|
CN101860208B (zh) | 2014-07-02 |
JP5304281B2 (ja) | 2013-10-02 |
EP2214298A1 (en) | 2010-08-04 |
JP2010178555A (ja) | 2010-08-12 |
CN101860208A (zh) | 2010-10-13 |
KR101651993B1 (ko) | 2016-08-29 |
US20100194371A1 (en) | 2010-08-05 |
EP2214298B1 (en) | 2018-04-18 |
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