JP6653769B2 - 負荷駆動装置 - Google Patents
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- H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
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- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
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- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/10—Isolation regions comprising dielectric materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/129—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of components or parts made of semiconducting materials; of LV components or parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/04—Single phase motors, e.g. capacitor motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
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Description
本実施例の半導体チップ1は、メイン回路の負荷駆動出力部30とは別に、冗長回路に設けられた負荷駆動出力部(冗長出力部)31を備えている。負荷駆動出力部(冗長出力部)31は、MOSFETであるMOS10及びMOS11を囲うように形成された素子間絶縁分離構造であるDTI21を備えている。
半導体チップが搭載された負荷駆動装置の故障診断方法であって、
前記半導体チップの半導体基板上に形成される負荷駆動を制御するMOSFETと同じ領域に設けられる第1のリーク電流検出素子と、DTIにより前記MOSFETが形成される領域と絶縁分離された領域に設けられる第2のリーク電流検出素子との間に電位差を設け、
所定値以上の電流を検出した場合、前記負荷駆動装置の故障と診断することを特徴とする負荷駆動装置の故障診断方法。
上記(付記1)に記載の負荷駆動装置の故障診断方法であって、
前記負荷駆動装置の故障と診断した場合であって、前記負荷駆動装置の冗長回路が形成される半導体基板上の負荷駆動を制御するMOSFETと同じ領域に設けられる第3のリーク電流検出素子と、DTIにより前記冗長回路のMOSFETが形成される領域と絶縁分離された領域に設けられる第4のリーク電流検出素子との間に電位差を設け、所定値以下の電流を検出した場合、負荷駆動機能を前記冗長回路に切り替えることを特徴とする負荷駆動装置の故障診断方法。
半導体チップが搭載された負荷駆動装置の故障診断方法であって、
前記半導体チップの半導体基板上に形成される負荷駆動を制御するMOSFETと同じ領域に設けられる第1のリーク電流検出素子と、DTIにより前記MOSFETが形成される領域と絶縁分離された領域に設けられる第2のリーク電流検出素子との間に電流を加え、
所定値以下の電圧を検出した場合、前記負荷駆動装置の故障と診断することを特徴とする負荷駆動装置の故障診断方法。
上記(付記3)に記載の負荷駆動装置の故障診断方法であって、
前記負荷駆動装置の故障と診断した場合であって、前記負荷駆動装置の冗長回路が形成される半導体基板上の負荷駆動を制御するMOSFETと同じ領域に設けられる第3のリーク電流検出素子と、DTIにより前記冗長回路のMOSFETが形成される領域と絶縁分離された領域に設けられる第4のリーク電流検出素子との間に電流を加え、所定値以上の電圧を検出した場合、負荷駆動機能を前記冗長回路に切り替えることを特徴とする負荷駆動装置の故障診断方法。
Claims (11)
- 半導体チップが搭載された負荷駆動装置であって、
前記半導体チップは、半導体基板上に形成された負荷駆動出力部を備え、
前記負荷駆動出力部は、負荷駆動を制御するMOSFETが形成される第1の領域と、
DTIにより前記第1の領域と絶縁分離された第2の領域を有し、
前記第1の領域に設けられる第1のリーク電流検出素子と、
前記第2の領域に設けられる第2のリーク電流検出素子と、
前記負荷駆動出力部の故障を判断する故障検出部と、
を備え、
前記故障検出部は、前記第1のリーク電流検出素子および前記第2のリーク電流検出素子間に電位差を設け、所定値以上の電流を検出した場合、前記負荷駆動出力部の故障と判断することを特徴とする負荷駆動装置。 - 半導体チップが搭載された負荷駆動装置であって、
前記半導体チップは、半導体基板上に形成された負荷駆動出力部を備え、
前記負荷駆動出力部は、負荷駆動を制御するMOSFETが形成される第1の領域と、
DTIにより前記第1の領域と絶縁分離された第2の領域を有し、
前記第1の領域に設けられる第1のリーク電流検出素子と、
前記第2の領域に設けられる第2のリーク電流検出素子と、
前記負荷駆動出力部の故障を判断する故障検出部と、
を備え、
前記故障検出部は、前記第1のリーク電流検出素子および前記第2のリーク電流検出素子間に電流を加え、所定値以下の電圧を検出した場合、前記負荷駆動出力部の故障と判断することを特徴とする負荷駆動装置。 - 請求項1または2に記載の負荷駆動装置であって、
前記半導体チップは、前記負荷駆動出力部の冗長出力部を備え、
前記冗長出力部は、負荷駆動を制御するMOSFETが形成される第3の領域と、DTIにより前記第3の領域と絶縁分離された第4の領域を有し、
前記第3の領域に設けられる第3のリーク電流検出素子と、
前記第4の領域に設けられる第4のリーク電流検出素子と、
を備えることを特徴とする負荷駆動装置。 - 請求項3に記載の負荷駆動装置であって、
前記故障検出部が前記負荷駆動出力部の故障と判断した場合であって、前記第3のリーク電流検出素子および前記第4のリーク電流検出素子間に電位差を設け、所定値以下の電流を検出した場合に、負荷駆動機能を前記負荷駆動出力部から前記冗長出力部に切り替えることを特徴とする負荷駆動装置。 - 請求項3に記載の負荷駆動装置であって、
前記故障検出部が前記負荷駆動出力部の故障と判断した場合であって、前記第3のリーク電流検出素子および前記第4のリーク電流検出素子間に電流を加え、所定値以上の電圧を検出した場合に、負荷駆動機能を前記負荷駆動出力部から前記冗長出力部に切り替えることを特徴とする負荷駆動装置。 - 請求項1または2に記載の負荷駆動装置であって、
前記負荷駆動装置は、前記半導体チップとは異なる別の半導体チップの半導体基板上に形成された前記負荷駆動出力部の冗長出力部を備え、
前記冗長出力部は、負荷駆動を制御するMOSFETが形成される第3の領域と、DTIにより前記第3の領域と絶縁分離された第4の領域を有し、
前記第3の領域に設けられる第3のリーク電流検出素子と、
前記第4の領域に設けられる第4のリーク電流検出素子と、
を備えることを特徴とする負荷駆動装置。 - 請求項6に記載の負荷駆動装置であって、
前記故障検出部が前記負荷駆動出力部の故障と判断した場合であって、前記第3のリーク電流検出素子および前記第4のリーク電流検出素子間に電位差を設け、所定値以下の電流を検出した場合に、負荷駆動機能を前記負荷駆動出力部から前記冗長出力部に切り替えることを特徴とする負荷駆動装置。 - 請求項6に記載の負荷駆動装置であって、
前記故障検出部が前記負荷駆動出力部の故障と判断した場合であって、前記第3のリーク電流検出素子および前記第4のリーク電流検出素子間に電流を加え、所定値以上の電圧を検出した場合に、負荷駆動機能を前記負荷駆動出力部から前記冗長出力部に切り替えることを特徴とする負荷駆動装置。 - 請求項1から8のいずれか1項に記載の負荷駆動装置であって、
前記故障検出部による前記負荷駆動出力部の故障判断をオンボードで行うことを特徴とする負荷駆動装置。 - 請求項9に記載の負荷駆動装置であって、
前記負荷駆動装置の負荷駆動直後、若しくは、電源オフ前に前記故障検出部による前記負荷駆動出力部の故障判断を行うことを特徴とする負荷駆動装置。 - 請求項1から10のいずれか1項に記載の負荷駆動装置であって、
前記半導体基板は、SOI基板であることを特徴とする負荷駆動装置。
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|---|---|---|---|---|
| JP3575073B2 (ja) * | 1994-09-09 | 2004-10-06 | 株式会社デンソー | 絶縁分離型半導体装置の検査方法および絶縁分離型半導体装置 |
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-
2017
- 2017-11-06 JP JP2018556245A patent/JP6653769B2/ja active Active
- 2017-11-06 US US16/469,537 patent/US10587263B2/en active Active
- 2017-11-06 CN CN201780073976.3A patent/CN110168387B/zh active Active
- 2017-11-06 WO PCT/JP2017/039863 patent/WO2018110141A1/ja not_active Ceased
Also Published As
| Publication number | Publication date |
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| JPWO2018110141A1 (ja) | 2019-10-24 |
| CN110168387B (zh) | 2021-06-18 |
| US20190305772A1 (en) | 2019-10-03 |
| WO2018110141A1 (ja) | 2018-06-21 |
| CN110168387A (zh) | 2019-08-23 |
| US10587263B2 (en) | 2020-03-10 |
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