JP6653635B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6653635B2 JP6653635B2 JP2016136822A JP2016136822A JP6653635B2 JP 6653635 B2 JP6653635 B2 JP 6653635B2 JP 2016136822 A JP2016136822 A JP 2016136822A JP 2016136822 A JP2016136822 A JP 2016136822A JP 6653635 B2 JP6653635 B2 JP 6653635B2
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- 239000004065 semiconductor Substances 0.000 title claims description 113
- 238000001514 detection method Methods 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 16
- 239000010410 layer Substances 0.000 description 26
- 230000003071 parasitic effect Effects 0.000 description 20
- 238000009792 diffusion process Methods 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 14
- 239000002184 metal Substances 0.000 description 12
- 239000012535 impurity Substances 0.000 description 10
- 239000002344 surface layer Substances 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000001939 inductive effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- OQCFWECOQNPQCG-UHFFFAOYSA-N 1,3,4,8-tetrahydropyrimido[4,5-c]oxazin-7-one Chemical compound C1CONC2=C1C=NC(=O)N2 OQCFWECOQNPQCG-UHFFFAOYSA-N 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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
- H03K17/082—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
- H01L27/0266—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using field effect transistors as protective elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
- H01L27/092—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
- H01L27/0922—Combination of complementary transistors having a different structure, e.g. stacked CMOS, high-voltage and low-voltage CMOS
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
- H01L27/092—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
- H01L27/0928—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors comprising both N- and P- wells in the substrate, e.g. twin-tub
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/044—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a semiconductor device to sense the temperature
-
- 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
- H03K17/223—Modifications for ensuring a predetermined initial state when the supply voltage has been applied in field-effect transistor switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823418—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the source or drain structures, e.g. specific source or drain implants or silicided source or drain structures or raised source or drain structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/025—Current limitation using 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
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/284—Modifications for introducing a time delay before switching in field effect transistor switches
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Semiconductor Integrated Circuits (AREA)
- Power Conversion In General (AREA)
- Electronic Switches (AREA)
Description
実施の形態2では、保護回路12の別の形態となる保護回路12aについて説明する。そこで、図11に実施の形態2にかかる半導体装置2のブロック図を示す。なお、実施の形態2の説明において、実施の形態1で説明した構成要素と同じ構成要素については実施の形態1と同じ符号を付して説明を省略する。
2 半導体装置
10 パワーMOSトランジスタ
11 昇圧回路
12 保護回路
13 保護トランジスタ
14 出力電圧検出ブロック
15 タイマーブロック
16 AND回路
17 出力電圧検出ブロック
20、22 コンパレータ
21、23 定電圧源
30 NAND回路
31 NMOSトランジスタ
32 定電流源
33 コンデンサ
40 Nウェル領域
41 Nウェルコンタクト
42 ソースコンタクト
43 Pウェル領域
44 Pウェル領域
45 ドレインコンタクト
46 ゲート電極
50 Pウェル領域
51 Pウェルコンタクト
52 ソースコンタクト
53 Pウェル領域
54 Nウェル領域
55 ドレインコンタクト
56 ゲート電極
60 トレンチ
61 チャネル領域
62 P+拡散領域
63 ソースコンタクト
Vdet 電圧判定信号
Tdet カウント値
Sdet 保護開始信号
RST リセット信号
Tr_p 寄生トランジスタ
Claims (6)
- ドレインに電源電圧が供給され、ソースが負荷回路に接続されるパワーMOSトランジスタを駆動する半導体装置であって、
前記電源電圧から予め設定された第1の判定電圧を引いた第1の閾値電圧よりも前記パワーMOSトランジスタのソース電圧が低いと判定される期間にイネーブル状態となる電圧判定信号を出力する出力電圧検出ブロックと、
前記パワーMOSトランジスタをオン状態に切り替えることを指示する制御信号がイネーブル状態となったことに応じてカウント値を所定の値までカウントアップするタイマーブロックと、
前記電圧判定信号がイネーブル状態、かつ、前記カウント値が所定の値となった、ことに応じて保護開始信号をイネーブル状態とする保護開始指示回路と、
ゲートに前記保護開始信号が入力され、ドレインが前記パワーMOSトランジスタのゲートに接続され、ソース及びバックゲートが前記パワーMOSトランジスタのソースに接続され、エピタキシャル層に前記電源電圧が供給される保護トランジスタと、を有し、
前記保護トランジスタは、前記保護開始信号がイネーブル状態のときにオン状態となり、
前記タイマーブロックは、前記電圧判定信号がディスエイブル状態となったことに応じて前記カウント値をリセットする半導体装置。 - 前記保護トランジスタは、エピタキシャル層に前記電源電圧が供給されるN型基板の上層に形成される請求項1に記載の半導体装置。
- 前記パワーMOSトランジスタは、前記保護トランジスタと共に同一の半導体基板上に形成される請求項1に記載の半導体装置。
- 前記パワーMOSトランジスタは、基板の深さ方向に電流を流す縦型構造を有するNMOSトランジスタである請求項3に記載の半導体装置。
- 前記電源電圧に予め設定された第2の判定電圧を足した第2の閾値電圧よりも前記パワーMOSトランジスタのソース電圧が高いと判定される期間にイネーブル状態となるリセット信号を出力するリセット判定回路を更に有し、
前記タイマーブロックは、前記電圧判定信号による前記カウント値のリセットは行わずに、前記リセット信号がイネーブル状態となったことに応じて前記カウント値のリセットを行う請求項1に記載の半導体装置。 - 電源電圧を昇圧した昇圧電圧を、制御信号に応じて、パワーMOSトランジスタのゲートに与える昇圧回路を更に有する請求項1に記載の半導体装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2016136822A JP6653635B2 (ja) | 2016-07-11 | 2016-07-11 | 半導体装置 |
US15/496,400 US10425074B2 (en) | 2016-07-11 | 2017-04-25 | Semiconductor apparatus |
CN201710440408.4A CN107612531B (zh) | 2016-07-11 | 2017-06-13 | 半导体装置 |
Applications Claiming Priority (1)
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JP2016136822A JP6653635B2 (ja) | 2016-07-11 | 2016-07-11 | 半導体装置 |
Publications (2)
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JP2018011117A JP2018011117A (ja) | 2018-01-18 |
JP6653635B2 true JP6653635B2 (ja) | 2020-02-26 |
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JP2016136822A Active JP6653635B2 (ja) | 2016-07-11 | 2016-07-11 | 半導体装置 |
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US (1) | US10425074B2 (ja) |
JP (1) | JP6653635B2 (ja) |
CN (1) | CN107612531B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7077649B2 (ja) * | 2018-02-14 | 2022-05-31 | 富士電機株式会社 | 半導体装置 |
CN111181536B (zh) * | 2018-11-13 | 2024-01-02 | 市光法雷奥(佛山)汽车照明系统有限公司 | 开关电路 |
CN109510483A (zh) * | 2018-12-25 | 2019-03-22 | 维沃移动通信有限公司 | 一种同步整流电路、充电器及同步整流电路控制方法 |
CN113285601A (zh) * | 2020-02-19 | 2021-08-20 | 北京小米移动软件有限公司 | 主功率电路和充电器 |
CN111585266B (zh) * | 2020-04-20 | 2023-05-30 | 上海泓语电气技术有限公司 | 一种直流配电电子软启动开关 |
JP7349069B2 (ja) * | 2020-09-16 | 2023-09-22 | 株式会社オートネットワーク技術研究所 | 駆動装置 |
Family Cites Families (13)
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JP2004326273A (ja) * | 2003-04-23 | 2004-11-18 | Mitsubishi Electric Corp | 電源短絡保護回路 |
KR100828247B1 (ko) * | 2003-12-26 | 2008-05-07 | 로무 가부시키가이샤 | 과전류 보호 회로, 모터 드라이브 회로 및 반도체 장치 |
JP4271169B2 (ja) * | 2004-08-20 | 2009-06-03 | Necエレクトロニクス株式会社 | 半導体装置 |
JP4777730B2 (ja) | 2005-09-20 | 2011-09-21 | セイコーインスツル株式会社 | Dc−dcコンバータ |
JP4773822B2 (ja) * | 2005-12-26 | 2011-09-14 | 株式会社オートネットワーク技術研究所 | 電力供給制御装置 |
DE112006003483B4 (de) * | 2005-12-26 | 2014-09-04 | Autonetworks Technologies, Ltd. | Energieversorgungssteuerung und Schwellenwerteinstellverfahren dafür |
US8295020B2 (en) * | 2006-11-30 | 2012-10-23 | Rohm Co., Ltd. | Electronic circuit |
JP2008310076A (ja) * | 2007-06-15 | 2008-12-25 | Panasonic Corp | 電流駆動装置 |
JP5370090B2 (ja) * | 2009-11-12 | 2013-12-18 | アンデン株式会社 | 過電流検出機能を有したスイッチ回路 |
JP5759831B2 (ja) * | 2010-10-25 | 2015-08-05 | ルネサスエレクトロニクス株式会社 | 電力用半導体装置及びその動作方法 |
JP5861787B2 (ja) * | 2013-01-23 | 2016-02-16 | 三菱電機株式会社 | 半導体素子の駆動装置、半導体装置 |
US9041367B2 (en) * | 2013-03-14 | 2015-05-26 | Freescale Semiconductor, Inc. | Voltage regulator with current limiter |
US9906214B2 (en) * | 2014-09-22 | 2018-02-27 | Infineon Technologies Americas Corp. | Fault and short-circuit protected output driver |
-
2016
- 2016-07-11 JP JP2016136822A patent/JP6653635B2/ja active Active
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2017
- 2017-04-25 US US15/496,400 patent/US10425074B2/en active Active
- 2017-06-13 CN CN201710440408.4A patent/CN107612531B/zh active Active
Also Published As
Publication number | Publication date |
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CN107612531A (zh) | 2018-01-19 |
US10425074B2 (en) | 2019-09-24 |
CN107612531B (zh) | 2022-12-06 |
JP2018011117A (ja) | 2018-01-18 |
US20180013414A1 (en) | 2018-01-11 |
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