JP7305303B2 - 駆動装置及びパワーモジュール - Google Patents
駆動装置及びパワーモジュール Download PDFInfo
- Publication number
- JP7305303B2 JP7305303B2 JP2018051893A JP2018051893A JP7305303B2 JP 7305303 B2 JP7305303 B2 JP 7305303B2 JP 2018051893 A JP2018051893 A JP 2018051893A JP 2018051893 A JP2018051893 A JP 2018051893A JP 7305303 B2 JP7305303 B2 JP 7305303B2
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor switching
- switching element
- driving device
- detection unit
- abnormal
- 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.)
- Active
Links
Images
Classifications
-
- 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
- H03K17/0812—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit
- H03K17/08122—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit in field-effect transistor switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L24/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
-
- 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
- H03K17/08104—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit in field-effect transistor switches
-
- 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
- H03K17/0812—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit
- H03K17/08128—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit in composite switches
-
- 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
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48257—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a die pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4912—Layout
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1305—Bipolar Junction Transistor [BJT]
- H01L2924/13055—Insulated gate bipolar transistor [IGBT]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13064—High Electron Mobility Transistor [HEMT, HFET [heterostructure FET], MODFET]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13091—Metal-Oxide-Semiconductor Field-Effect Transistor [MOSFET]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/14—Integrated circuits
- H01L2924/141—Analog devices
- H01L2924/1426—Driver
-
- 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
- H03K2217/0027—Measuring means of, e.g. currents through or voltages across the switch
-
- 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
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Power Conversion In General (AREA)
- Electronic Switches (AREA)
- Inverter Devices (AREA)
Description
図1は、本発明の実施の形態1に係る駆動装置を備える半導体装置の構成を示す回路図である。
図4は、本発明の実施の形態2に係る半導体装置の動作を示すシーケンス図である。以下、本実施の形態2に係る構成要素のうち、上述の構成要素と同じまたは類似する構成要素については同じ参照符号を付し、異なる構成要素について主に説明する。
図5は、本発明の実施の形態3に係るパワーモジュールの構成を示す平面図である。以下、本実施の形態3に係る構成要素のうち、上述の構成要素と同じまたは類似する構成要素については同じ参照符号を付し、異なる構成要素について主に説明する。
Claims (8)
- 負荷と同じ側に接続された第1被制御端子と、前記負荷と逆側に接続された第2被制御端子とを有する半導体スイッチング素子を駆動する駆動装置であって、
前記第2被制御端子と接続され、前記負荷及び前記半導体スイッチング素子を流れる第1電流が異常か否かを、フィルタを用いて検知する過電流検知部と、
前記第1被制御端子と接続され、前記負荷を流れずに前記半導体スイッチング素子を流れる第2電流が異常か否かを、フィルタを用いずに検知する短絡検知部と
を備え、
前記過電流検知部の検知結果及び前記短絡検知部の検知結果に基づいて、前記半導体スイッチング素子を遮断する、駆動装置。 - 請求項1に記載の駆動装置であって、
前記短絡検知部は、デサット方式の検知によって前記第2電流が異常か否かを検知する、駆動装置。 - 請求項2に記載の駆動装置であって、
前記短絡検知部は、
前記半導体スイッチング素子のゲート電圧が閾値を超えた時点から予め定められた時間が経過した時点において、前記半導体スイッチング素子のドレイン電圧に基づく電圧が閾値以上である場合に、前記第2電流が異常であると検知する、駆動装置。 - 請求項1に記載の駆動装置であって、
前記短絡検知部は、
前記半導体スイッチング素子のゲート電圧と、前記半導体スイッチング素子のミラー期間とに基づいて、前記第2電流が異常か否かを検知する、駆動装置。 - 請求項2から請求項4のうちのいずれか1項に記載の駆動装置であって、
前記過電流検知部は、シャント方式またはセンス方式の検知によって前記第1電流が異常か否かを検知する、駆動装置。 - 請求項1から請求項5のうちのいずれか1項に記載の駆動装置であって、
前記半導体スイッチング素子は、ワイドバンドギャップ半導体を含む、駆動装置。 - 請求項1から請求項6のうちのいずれか1項に記載の駆動装置と、
前記半導体スイッチング素子と、
前記半導体スイッチング素子のドレイン端子と前記駆動装置との接続部分を覆うパッケージと
を備える、パワーモジュール。 - 請求項7に記載のパワーモジュールであって、
前記半導体スイッチング素子は低電位と接続され、
前記負荷と接続され、前記半導体スイッチング素子と高電位との間に接続された別の半導体スイッチング素子をさらに備える、パワーモジュール。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018051893A JP7305303B2 (ja) | 2018-03-20 | 2018-03-20 | 駆動装置及びパワーモジュール |
US16/265,689 US11146254B2 (en) | 2018-03-20 | 2019-02-01 | Driving device and power module |
DE102019202864.0A DE102019202864A1 (de) | 2018-03-20 | 2019-03-04 | Ansteuervorrichtung und Leistungsmodul |
CN201910199294.8A CN110311664B (zh) | 2018-03-20 | 2019-03-15 | 驱动装置以及功率模块 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018051893A JP7305303B2 (ja) | 2018-03-20 | 2018-03-20 | 駆動装置及びパワーモジュール |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019165347A JP2019165347A (ja) | 2019-09-26 |
JP7305303B2 true JP7305303B2 (ja) | 2023-07-10 |
Family
ID=67848447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018051893A Active JP7305303B2 (ja) | 2018-03-20 | 2018-03-20 | 駆動装置及びパワーモジュール |
Country Status (4)
Country | Link |
---|---|
US (1) | US11146254B2 (ja) |
JP (1) | JP7305303B2 (ja) |
CN (1) | CN110311664B (ja) |
DE (1) | DE102019202864A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7292196B2 (ja) * | 2019-12-16 | 2023-06-16 | 三菱電機株式会社 | 駆動装置およびパワーモジュール |
US20230208275A1 (en) * | 2020-05-12 | 2023-06-29 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Power conversion device, semiconductor switch drive device, and control method |
JP6952840B1 (ja) * | 2020-07-13 | 2021-10-27 | 三菱電機株式会社 | スイッチング装置および電力変換装置 |
CN112039506B (zh) * | 2020-07-28 | 2023-08-08 | 西安电子科技大学 | 一种SiC MOSFET开关器件的驱动集成电路 |
DE112020007738T5 (de) | 2020-10-28 | 2023-08-10 | Mitsubishi Electric Corporation | Treiberschaltung für ein leistungshalbleiterelement, halbleitereinrichtung sowie stromrichtereinrichtung |
WO2023182301A1 (ja) * | 2022-03-24 | 2023-09-28 | 株式会社デンソー | 半導体スイッチング素子の短絡検出回路 |
US20240348241A1 (en) * | 2023-04-14 | 2024-10-17 | Aptiv Technologies AG | Solid state relay module with overcurrent protection |
US20240347296A1 (en) * | 2023-04-14 | 2024-10-17 | Aptiv Technologies AG | Solid state relay module |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008141841A (ja) | 2006-11-30 | 2008-06-19 | Denso Corp | 過電流保護回路 |
WO2014115272A1 (ja) | 2013-01-23 | 2014-07-31 | 三菱電機株式会社 | 半導体素子の駆動装置、半導体装置 |
WO2015033449A1 (ja) | 2013-09-06 | 2015-03-12 | 三菱電機株式会社 | 半導体装置、半導体スイッチング素子の駆動装置 |
WO2015114788A1 (ja) | 2014-01-31 | 2015-08-06 | 株式会社日立製作所 | 半導体素子の保護回路 |
JP2017126953A (ja) | 2016-01-15 | 2017-07-20 | 富士電機株式会社 | 半導体装置 |
JP2017135498A (ja) | 2016-01-26 | 2017-08-03 | 株式会社デンソー | 車両用負荷駆動制御装置 |
JP2017212583A (ja) | 2016-05-25 | 2017-11-30 | 株式会社デンソー | 半導体素子の保護回路 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3883925B2 (ja) * | 2002-07-30 | 2007-02-21 | 三菱電機株式会社 | 電力用半導体素子の駆動回路 |
JP5315155B2 (ja) * | 2009-07-23 | 2013-10-16 | 日立オートモティブシステムズ株式会社 | 半導体素子制御装置、車載用電機システム |
JP5780145B2 (ja) * | 2011-12-12 | 2015-09-16 | トヨタ自動車株式会社 | スイッチング素子駆動回路及びそれを備える駆動装置 |
TWI477788B (zh) * | 2012-04-10 | 2015-03-21 | Realtek Semiconductor Corp | 偵測發光二極體短路的方法及其裝置 |
JP6003819B2 (ja) | 2013-06-20 | 2016-10-05 | 株式会社デンソー | トランジスタ駆動回路 |
US9825625B2 (en) * | 2014-07-09 | 2017-11-21 | CT-Concept Technologie GmbH | Multi-stage gate turn-off with dynamic timing |
JP6320875B2 (ja) * | 2014-08-25 | 2018-05-09 | ルネサスエレクトロニクス株式会社 | 半導体装置、電力制御装置および電子システム |
US10222422B2 (en) * | 2014-10-30 | 2019-03-05 | Avago Technologies International Sales Pte. Limited | Short-circuit detection circuits, system, and method |
JP6591220B2 (ja) | 2015-07-15 | 2019-10-16 | ルネサスエレクトロニクス株式会社 | 半導体装置および電力制御装置 |
-
2018
- 2018-03-20 JP JP2018051893A patent/JP7305303B2/ja active Active
-
2019
- 2019-02-01 US US16/265,689 patent/US11146254B2/en active Active
- 2019-03-04 DE DE102019202864.0A patent/DE102019202864A1/de active Pending
- 2019-03-15 CN CN201910199294.8A patent/CN110311664B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008141841A (ja) | 2006-11-30 | 2008-06-19 | Denso Corp | 過電流保護回路 |
WO2014115272A1 (ja) | 2013-01-23 | 2014-07-31 | 三菱電機株式会社 | 半導体素子の駆動装置、半導体装置 |
WO2015033449A1 (ja) | 2013-09-06 | 2015-03-12 | 三菱電機株式会社 | 半導体装置、半導体スイッチング素子の駆動装置 |
WO2015114788A1 (ja) | 2014-01-31 | 2015-08-06 | 株式会社日立製作所 | 半導体素子の保護回路 |
JP2017126953A (ja) | 2016-01-15 | 2017-07-20 | 富士電機株式会社 | 半導体装置 |
JP2017135498A (ja) | 2016-01-26 | 2017-08-03 | 株式会社デンソー | 車両用負荷駆動制御装置 |
JP2017212583A (ja) | 2016-05-25 | 2017-11-30 | 株式会社デンソー | 半導体素子の保護回路 |
Also Published As
Publication number | Publication date |
---|---|
JP2019165347A (ja) | 2019-09-26 |
US20190296731A1 (en) | 2019-09-26 |
CN110311664B (zh) | 2023-08-18 |
US11146254B2 (en) | 2021-10-12 |
CN110311664A (zh) | 2019-10-08 |
DE102019202864A1 (de) | 2019-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7305303B2 (ja) | 駆動装置及びパワーモジュール | |
JP7038758B2 (ja) | 半導体デバイスおよびそれを含む電子回路 | |
CN107615664B (zh) | 功率晶体管驱动装置 | |
US9628067B2 (en) | Gate driver | |
CN107132466B (zh) | 用于功率半导体开关中的短路检测的方法和器件 | |
US8466734B2 (en) | Gate driving circuit for power semiconductor element | |
JP7146688B2 (ja) | 駆動装置、及び、電力供給システム | |
WO2014034063A1 (ja) | 半導体装置 | |
EP2736170A1 (en) | Cascoded semiconductor devices | |
JP2016059036A (ja) | 短絡保護用の回路、システム、及び方法 | |
JP5880494B2 (ja) | スイッチング制御回路 | |
JP2009165285A (ja) | 半導体装置 | |
CN114079444A (zh) | 开关模块、驱动电路以及用于开关模块的系统和方法 | |
CN116707499A (zh) | 驱动器系统以及驱动功率晶体管以驱动负载的方法 | |
JP6414440B2 (ja) | スイッチング素子の駆動装置 | |
CN110581654B (zh) | 电力用半导体装置 | |
JPWO2015104921A1 (ja) | 車載用電子制御装置 | |
JP6815137B2 (ja) | 半導体駆動装置 | |
JP3918778B2 (ja) | 保護回路 | |
KR102219433B1 (ko) | 전력반도체의 과전류 감지 회로 | |
US20230336170A1 (en) | Control device, and switching device | |
JP4712024B2 (ja) | 半導体電力変換装置の過電流保護装置 | |
JPH1022801A (ja) | 制御素子保護回路 | |
CN117981224A (zh) | 半导体装置及过电流保护装置 | |
JP2017070198A (ja) | 電力変換装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200701 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210824 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20211005 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20211115 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220412 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20220927 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221118 |
|
C60 | Trial request (containing other claim documents, opposition documents) |
Free format text: JAPANESE INTERMEDIATE CODE: C60 Effective date: 20221118 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20221128 |
|
C21 | Notice of transfer of a case for reconsideration by examiners before appeal proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C21 Effective date: 20221129 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20230113 |
|
C211 | Notice of termination of reconsideration by examiners before appeal proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C211 Effective date: 20230117 |
|
C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20230328 |
|
C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20230425 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230628 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7305303 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |