JP2023075212A - 基準電圧回路および半導体装置 - Google Patents
基準電圧回路および半導体装置 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title abstract description 15
- 238000001514 detection method Methods 0.000 claims description 30
- 238000005259 measurement Methods 0.000 claims description 7
- 230000005856 abnormality Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
Description
11 基準電圧回路
12 被供給回路
201 TSD回路
202 基準電圧回路
203 抵抗ラダー
204 TSD回路本体
205 プリアンプ
206 A/D
301、302 基準電圧発生回路
303、304、305、306 スイッチ
307 抵抗ラダー
308 TSD本体回路
309 プリアンプ
310 A/D
311 基準電圧切替スイッチ
312 TSD回路
R1、R2 抵抗
VREF1、VREF2、VREFOUT 基準電圧
VREF_R 分圧
Claims (2)
- 予め定められた基準電圧を出力する複数の基準電圧発生回路と、
前記複数の基準電圧発生回路から出力された複数の基準電圧のうちのいずれかを選択して、被供給回路に供給する基準電圧選択部と、を含み、
前記基準電圧選択部は、複数のスイッチが直列に接続された直列回路であって一端が前記複数の基準電圧発生回路のいずれかに接続され他端が前記基準電圧選択部の出力とされた直列回路を複数並列に接続し、かつ複数の直列回路の各々の一端を前記複数の基準電圧発生回路の異なる基準電圧発生回路の各々に接続した並列回路を備え、
前記複数の基準電圧発生回路は、各々独立して設けられ、かつ各々が出力する基準電圧の値が等しい
基準電圧回路。 - 請求項1に記載の基準電圧回路と、
前記基準電圧選択部で選択された基準電圧が供給されるとともに、供給された前記基準電圧の測定部を備える被供給回路と、
前記測定部の測定結果を用いて前記基準電圧選択部の故障の有無を検出する検出回路と、を含む
半導体装置。
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JP2023032180A JP7469535B2 (ja) | 2019-03-26 | 2023-03-02 | 基準電圧回路および半導体装置 |
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JP2019059396A JP7239367B2 (ja) | 2019-03-26 | 2019-03-26 | 基準電圧回路、半導体装置、および故障検出方法 |
JP2023032180A JP7469535B2 (ja) | 2019-03-26 | 2023-03-02 | 基準電圧回路および半導体装置 |
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JP2023032180A Active JP7469535B2 (ja) | 2019-03-26 | 2023-03-02 | 基準電圧回路および半導体装置 |
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Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001036407A (ja) | 1999-07-19 | 2001-02-09 | Matsushita Electric Ind Co Ltd | 基準電圧切替回路 |
JP5586348B2 (ja) | 2010-07-02 | 2014-09-10 | ラピスセミコンダクタ株式会社 | 充電装置、充電制御装置、電圧監視装置、ad変換装置、基準電圧回路の自己診断方法 |
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