JP6405998B2 - 負荷駆動回路 - Google Patents
負荷駆動回路 Download PDFInfo
- Publication number
- JP6405998B2 JP6405998B2 JP2014261586A JP2014261586A JP6405998B2 JP 6405998 B2 JP6405998 B2 JP 6405998B2 JP 2014261586 A JP2014261586 A JP 2014261586A JP 2014261586 A JP2014261586 A JP 2014261586A JP 6405998 B2 JP6405998 B2 JP 6405998B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- terminal
- load
- clamp
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
-
- 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
- H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
- H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
- H03K17/08148—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in composite switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/064—Circuit arrangements for actuating electromagnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/002—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of inverted polarity or connection; with switching for obtaining correct connection
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
- H03K17/64—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors having inductive loads
-
- 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
- H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a converter
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/0081—Power supply means, e.g. to the switch driver
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electronic Switches (AREA)
- Power Conversion In General (AREA)
Description
12 バッファ回路
13 制御回路
14 クランプ回路
15 定電流源
16 充電電流停止回路
17 放電停止回路
20 負荷
BS ブートストラップ回路
Q1 スイッチング素子
E 電源
C1 コンデンサ
Vcc 電源端子
OUT 出力端子
CP1 第1のコンパレータ
CP2 第2のコンパレータ
Claims (1)
- 電源に接続される第1の端子と、負荷に接続される第2の端子と、前記第1の端子と前記第2の端子との間に接続されたスイッチング素子と、
前記第1の端子に入力される入力電圧よりも低い第1の基準電圧と前記第2の端子の電圧とを比較することにより前記スイッチング素子がオフ状態で且つ前記第2の端子に前記負荷が接続されていない負荷オープン状態を検出する第1のコンパレータと、
前記負荷オープン状態である場合に、前記第2の端子の電圧を前記第1の基準電圧よりも高く且つ前記入力電圧よりも低いクランプ電圧にクランプするクランプ回路と、
前記入力電圧よりも低く且つ前記クランプ電圧よりも高い第2の基準電圧と前記第2の端子の電圧とを比較することにより前記スイッチング素子がオフ状態で且つ前記第2の端子が前記電源に接続される出力天絡状態を検出する第2のコンパレータと、
一端が前記第2の端子に接続され他端が第3の端子に接続されるコンデンサと、
前記第1の端子の電源の電圧に基づき定電圧を生成し、定電圧により充電電流を前記第3の端子に供給するブートストラップ回路と、
前記第1のコンパレータが負荷オープン状態を検出した場合に、前記クランプ回路のクランプ電圧の上昇を抑止するクランプ電圧上昇抑止回路と、
を備え、
前記クランプ電圧上昇抑止回路は、前記第1のコンパレータが負荷オープン状態を検出した場合に、前記ブートストラップ回路から前記第3の端子と前記コンデンサを介して前記クランプ回路に流れる電流を停止させる充電電流停止回路からなることを特徴とする負荷駆動回路。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014261586A JP6405998B2 (ja) | 2014-12-25 | 2014-12-25 | 負荷駆動回路 |
EP15199762.4A EP3038223B1 (en) | 2014-12-25 | 2015-12-14 | Load driving circuit |
CN201510940215.6A CN105743475B (zh) | 2014-12-25 | 2015-12-16 | 负载驱动电路 |
US14/972,803 US9444447B2 (en) | 2014-12-25 | 2015-12-17 | Load drive circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014261586A JP6405998B2 (ja) | 2014-12-25 | 2014-12-25 | 負荷駆動回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016122965A JP2016122965A (ja) | 2016-07-07 |
JP6405998B2 true JP6405998B2 (ja) | 2018-10-17 |
Family
ID=54849815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014261586A Expired - Fee Related JP6405998B2 (ja) | 2014-12-25 | 2014-12-25 | 負荷駆動回路 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9444447B2 (ja) |
EP (1) | EP3038223B1 (ja) |
JP (1) | JP6405998B2 (ja) |
CN (1) | CN105743475B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI687047B (zh) * | 2017-04-10 | 2020-03-01 | 力智電子股份有限公司 | 驅動電路及其控制方法 |
US10742121B2 (en) * | 2018-06-29 | 2020-08-11 | Dialog Semiconductor Inc. | Boot strap capacitor charging for switching power converters |
US11881846B2 (en) * | 2018-11-06 | 2024-01-23 | Hitachi Astemo, Ltd. | Load drive device and transmission drive system |
JP7403238B2 (ja) | 2019-05-31 | 2023-12-22 | 日立Astemo株式会社 | 電子回路およびセンサシステム |
CN112994679A (zh) * | 2021-04-20 | 2021-06-18 | 深圳市拓尔微电子有限责任公司 | 驱动电路及控制芯片 |
CN117155126B (zh) * | 2023-03-14 | 2024-06-25 | 荣耀终端有限公司 | 终端设备及控制方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4065678A (en) * | 1976-07-02 | 1977-12-27 | Motorola, Inc. | Clamped push-pull driver circuit with output feedback |
KR100439045B1 (ko) * | 2001-06-29 | 2004-07-05 | 주식회사 하이닉스반도체 | 워드 라인 전압 클램핑 회로 |
TW200525867A (en) * | 2004-01-21 | 2005-08-01 | Renesas Tech Corp | Voltage clamp circuit, switching power supply apparatus, semiconductor IC device, and voltage level converting circuit |
JP4168941B2 (ja) * | 2004-01-27 | 2008-10-22 | 株式会社デンソー | 半導体集積回路装置用負荷駆動回路 |
TW200525869A (en) * | 2004-01-28 | 2005-08-01 | Renesas Tech Corp | Switching power supply and semiconductor IC |
US7368957B2 (en) * | 2006-07-21 | 2008-05-06 | Picor Corporation | Capacitively coupled floating gate driver |
JP4749304B2 (ja) * | 2006-10-02 | 2011-08-17 | 日立オートモティブシステムズ株式会社 | 負荷駆動回路 |
US7898781B2 (en) * | 2008-08-01 | 2011-03-01 | Sensata Technologies Massachusetts, Inc. | Arc fault detection apparatus employing a comparator with a continuously variable threshold |
JP2011146901A (ja) * | 2010-01-14 | 2011-07-28 | Denso Corp | 駆動装置 |
JP5115829B2 (ja) * | 2010-06-09 | 2013-01-09 | 株式会社デンソー | スイッチング装置 |
JP5556404B2 (ja) * | 2010-06-11 | 2014-07-23 | サンケン電気株式会社 | スイッチング電源装置 |
JP5656072B2 (ja) * | 2011-01-25 | 2015-01-21 | サンケン電気株式会社 | Dc−dcコンバータ |
JP5605263B2 (ja) * | 2011-02-23 | 2014-10-15 | 株式会社デンソー | 負荷駆動装置 |
JP2013016959A (ja) * | 2011-07-01 | 2013-01-24 | Sanken Electric Co Ltd | 負荷駆動回路 |
US9013161B2 (en) * | 2011-09-29 | 2015-04-21 | Fuji Electric Co., Ltd. | Load drive circuit |
JP2014023272A (ja) * | 2012-07-18 | 2014-02-03 | Denso Corp | スイッチング電源回路 |
CN102832810B (zh) * | 2012-08-30 | 2015-04-08 | 成都芯源系统有限公司 | 自举电压刷新控制电路、电压转换电路及相关控制方法 |
JP6070164B2 (ja) * | 2012-12-21 | 2017-02-01 | サンケン電気株式会社 | スイッチング電源装置 |
CN103023286B (zh) * | 2012-12-28 | 2015-04-01 | 矽力杰半导体技术(杭州)有限公司 | 一种自举电容掉电恢复电路及开关电源电路 |
US9484758B2 (en) * | 2013-02-05 | 2016-11-01 | Apple Inc. | Hybrid bootstrap capacitor refresh technique for charger/converter |
CN104079276B (zh) * | 2014-06-28 | 2017-01-11 | 柳州长虹机器制造公司 | 一种宽电压适应性的高效率智能高边电子负载开关 |
-
2014
- 2014-12-25 JP JP2014261586A patent/JP6405998B2/ja not_active Expired - Fee Related
-
2015
- 2015-12-14 EP EP15199762.4A patent/EP3038223B1/en active Active
- 2015-12-16 CN CN201510940215.6A patent/CN105743475B/zh active Active
- 2015-12-17 US US14/972,803 patent/US9444447B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9444447B2 (en) | 2016-09-13 |
US20160191045A1 (en) | 2016-06-30 |
JP2016122965A (ja) | 2016-07-07 |
EP3038223A1 (en) | 2016-06-29 |
EP3038223B1 (en) | 2018-04-04 |
CN105743475A (zh) | 2016-07-06 |
CN105743475B (zh) | 2020-10-09 |
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