JP2021002175A - 電圧電流変換回路、及び充放電制御装置 - Google Patents
電圧電流変換回路、及び充放電制御装置 Download PDFInfo
- Publication number
- JP2021002175A JP2021002175A JP2019115049A JP2019115049A JP2021002175A JP 2021002175 A JP2021002175 A JP 2021002175A JP 2019115049 A JP2019115049 A JP 2019115049A JP 2019115049 A JP2019115049 A JP 2019115049A JP 2021002175 A JP2021002175 A JP 2021002175A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- current
- conversion circuit
- circuit
- current conversion
- 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 64
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000003745 diagnosis Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
-
- 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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/561—Voltage to current converters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2836—Fault-finding or characterising
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/52—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using discharge tubes in series with the load as final control devices
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/22—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only
- G05F3/222—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage
- G05F3/227—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage producing a current or voltage as a predetermined function of the supply voltage
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/26—Current mirrors
- G05F3/262—Current mirrors using field-effect transistors only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
-
- 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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/474—A current mirror being used as sensor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/91—Indexing scheme relating to amplifiers the amplifier has a current mode topology
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Current Or Voltage (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Protection Of Static Devices (AREA)
- Control Of Electrical Variables (AREA)
- Amplifiers (AREA)
- Secondary Cells (AREA)
Abstract
Description
充放電制御装置100は、電圧電流変換回路11と、スイッチ12、15、16と、抵抗回路13と、基準電圧回路14、38と、コンパレータ17、18と、電流電圧変換回路31と、オペアンプ32、35と、MOSトランジスタ33、36と、抵抗34、37と、カレントミラー回路39を備えている。
また、二次電池の電圧が低くなっても検出精度が低下しない故障診断機能を備えた充放電制御装置を提供することを目的とする。
また、本発明の充放電制御装置は、上記電圧電流変換回路と、電圧電流変換回路の電流を接地端子基準の電圧に変換する電流電圧変換回路とを有する故障診断回路を備えたことを特徴とする。
また、本発明によれば、低い電池電圧であっても検出精度が低下しない故障診断機能を備えた充放電制御装置を提供することができる。
抵抗R1は、電圧電流変換用の抵抗であり、第一電圧入力端子と第二電圧入力端子の間の電圧を電流に変換する。トランジスタM1及び抵抗R2とトランジスタM2及び抵抗R4は、カレントミラー回路を構成し、抵抗R1に流れる電流をミラーする。
充放電制御装置100は、電圧電流変換回路11、21と、スイッチ12、15、16、22、25、26と、抵抗回路13、23と、基準電圧回路14、24、38と、コンパレータ17、18、27、28と、電流電圧変換回路31と、オペアンプ32、35と、MOSトランジスタ33、36と、抵抗34、37と、カレントミラー回路39を備えている。
電圧電流変換回路11と電流電圧変換回路31は、二次電池B1の電圧を接地電圧基準の電圧に変換する。オペアンプ32、35と、MOSトランジスタ33、36と、抵抗34、37と、カレントミラー回路39は、その電圧に基づいた故障診断用の電流を生成し、スイッチ15またはスイッチ16によって抵抗回路13に流す。コンパレータ17、18は、その時の抵抗回路13の電圧に基づいて回路の故障を検出する。
電流電圧変換回路31は、抵抗R5、R6と、Nchデプレッション型のトランジスタM3を備えている。抵抗R5は、一端がカレントミラー回路の出力端子に接続され、他端がトランジスタM3のドレインとゲートに接続されている。トランジスタM3は、ソースが抵抗R6の一端に接続され、基板が接地端子に接続されている。抵抗R6の他端は、接地端子に接続されている。抵抗R5は、電流電圧変換用の抵抗であり、その一端が電圧の出力端子である。
R1、R2、R3、R4、R5、R6 抵抗
11、21 電圧電流変換回路
31 電流電圧変換回路
17、18、27、28 コンパレータ
32、35 オペアンプ
Claims (5)
- 入力端子の電圧を電流に変換して出力端子から出力する電圧電流変換回路であって、
前記入力端子に接続された電圧電流変換抵抗と、
前記電圧電流変換抵抗が出力する電流をミラーするカレントミラー回路と、を備え、
前記カレントミラー回路は、ソースの電圧が基板の電圧よりも高くバイアスされたデプレッション型トランジスタで構成される
ことを特徴とする電圧電流変換回路。 - 前記デプレッション型トランジスタは、基板が接地され、ソースが抵抗を介して接地されている
ことを特徴とする請求項1に記載の電圧電流変換回路。 - 前記デプレッション型トランジスタは、基板が接地され、ソースが電流源を介して接地されている
ことを特徴とする請求項1に記載の電圧電流変換回路。 - 請求項1から3に記載の電圧電流変換回路と、前記電圧電流変換回路の電流を接地端子基準の電圧に変換する電流電圧変換回路と、を有する故障診断回路
を備えたことを特徴とする充放電制御装置。 - 前記電流電圧変換回路は、
前記電圧電流変換回路の電流を電圧に変換する電流電圧変換抵抗と、
前記電流電圧変換抵抗と接地端子の間に設けられ、ソースの電圧が基板の電圧よりも高くバイアスされたデプレッション型トランジスタと、
を備えたことを特徴とする請求項4に記載の充放電制御装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019115049A JP7297549B2 (ja) | 2019-06-21 | 2019-06-21 | 電圧電流変換回路、及び充放電制御装置 |
TW109118420A TW202110030A (zh) | 2019-06-21 | 2020-06-02 | 電壓電流變換電路以及充放電控制裝置 |
US16/903,032 US11042177B2 (en) | 2019-06-21 | 2020-06-16 | Voltage-current conversion circuit and charge-discharge control device |
CN202010553312.0A CN112114257B (zh) | 2019-06-21 | 2020-06-17 | 电压电流转换电路及充放电控制装置 |
EP20180905.0A EP3754843B1 (en) | 2019-06-21 | 2020-06-18 | Voltage-current conversion circuit and charge-discharge control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019115049A JP7297549B2 (ja) | 2019-06-21 | 2019-06-21 | 電圧電流変換回路、及び充放電制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021002175A true JP2021002175A (ja) | 2021-01-07 |
JP7297549B2 JP7297549B2 (ja) | 2023-06-26 |
Family
ID=71111230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019115049A Active JP7297549B2 (ja) | 2019-06-21 | 2019-06-21 | 電圧電流変換回路、及び充放電制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11042177B2 (ja) |
EP (1) | EP3754843B1 (ja) |
JP (1) | JP7297549B2 (ja) |
CN (1) | CN112114257B (ja) |
TW (1) | TW202110030A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6841552B2 (ja) * | 2018-02-26 | 2021-03-10 | 日立Astemo株式会社 | 半導体集積回路装置、半導体集積回路装置を用いた電流制御装置、及び、電流制御装置を用いた自動変速機制御装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63169113A (ja) * | 1987-01-05 | 1988-07-13 | Nec Corp | 半導体集積回路 |
US20010054974A1 (en) * | 2000-01-26 | 2001-12-27 | Wright Andrew S. | Low noise wideband digital predistortion amplifier |
JP2009069056A (ja) * | 2007-09-14 | 2009-04-02 | Texas Instr Japan Ltd | 多セル直列電池用のセル電圧異常検出装置及びセル電圧監視装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4300091A (en) * | 1980-07-11 | 1981-11-10 | Rca Corporation | Current regulating circuitry |
KR100304813B1 (ko) | 1992-12-28 | 2001-11-22 | 사와무라 시코 | 부성저항회로와이를사용한슈미트트리거회로 |
JP2006033197A (ja) * | 2004-07-13 | 2006-02-02 | Ricoh Co Ltd | Pll回路 |
JP2007027895A (ja) * | 2005-07-12 | 2007-02-01 | Rohm Co Ltd | 電流電圧変換回路、それを用いた消費電力検出回路および電子機器 |
JP5946304B2 (ja) * | 2012-03-22 | 2016-07-06 | エスアイアイ・セミコンダクタ株式会社 | 基準電圧回路 |
JP7014565B2 (ja) | 2016-12-15 | 2022-02-01 | エイブリック株式会社 | 二次電池監視装置及び故障診断方法 |
US10288694B2 (en) | 2016-12-15 | 2019-05-14 | Ablic Inc. | Secondary battery monitoring device and method for diagnosing failure |
US10054974B1 (en) | 2017-04-06 | 2018-08-21 | Globalfoundries Inc. | Current mirror devices using cascode with back-gate bias |
CN107968453B (zh) * | 2017-11-22 | 2024-05-28 | 张国东 | 一种内置电池供电式消防栓仪表及电源管理方法与*** |
US10819331B1 (en) * | 2019-05-07 | 2020-10-27 | Nxp B.V. | Self-regulating body-biasing techniques for process, voltage, and temperature (PVT) fluctuation compensation in fully-depleted silicon-on-insulator (FDSOI) semiconductors |
-
2019
- 2019-06-21 JP JP2019115049A patent/JP7297549B2/ja active Active
-
2020
- 2020-06-02 TW TW109118420A patent/TW202110030A/zh unknown
- 2020-06-16 US US16/903,032 patent/US11042177B2/en active Active
- 2020-06-17 CN CN202010553312.0A patent/CN112114257B/zh active Active
- 2020-06-18 EP EP20180905.0A patent/EP3754843B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63169113A (ja) * | 1987-01-05 | 1988-07-13 | Nec Corp | 半導体集積回路 |
US20010054974A1 (en) * | 2000-01-26 | 2001-12-27 | Wright Andrew S. | Low noise wideband digital predistortion amplifier |
JP2009069056A (ja) * | 2007-09-14 | 2009-04-02 | Texas Instr Japan Ltd | 多セル直列電池用のセル電圧異常検出装置及びセル電圧監視装置 |
Non-Patent Citations (1)
Title |
---|
ARVIND KUMAR AND SANDIP TIWARI: "A power-performance adaptive low voltage analog circuit design using independently controlled double", 2004 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), JPN6023002062, 3 September 2004 (2004-09-03), pages 197 - 200, ISSN: 0004970397 * |
Also Published As
Publication number | Publication date |
---|---|
US20200401171A1 (en) | 2020-12-24 |
TW202110030A (zh) | 2021-03-01 |
EP3754843B1 (en) | 2021-06-16 |
EP3754843A1 (en) | 2020-12-23 |
CN112114257B (zh) | 2023-10-13 |
CN112114257A (zh) | 2020-12-22 |
US11042177B2 (en) | 2021-06-22 |
JP7297549B2 (ja) | 2023-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10594146B2 (en) | Battery control circuit for multiple cells employing level shift circuits to avoid fault | |
JP4450817B2 (ja) | 電圧変換回路およびバッテリ装置 | |
US10288694B2 (en) | Secondary battery monitoring device and method for diagnosing failure | |
US7863942B2 (en) | Voltage detecting circuit | |
JP2006126098A (ja) | 電圧検出回路、過電流検出回路、充電電流制御システム、及び電圧検出方法 | |
JP5605143B2 (ja) | 電流制御回路 | |
CN109888855B (zh) | 充放电控制装置和电池装置 | |
US10771027B2 (en) | Operational amplifier circuit and current detection device using the same | |
CN108226794B (zh) | 二次电池监视装置及故障诊断方法 | |
US20160322840A1 (en) | Battery device | |
US9203119B2 (en) | Battery device | |
JP4658874B2 (ja) | 電流検出回路ならびにそれを用いた充電制御回路、充電回路および電子機器 | |
JP4894865B2 (ja) | 双方向スイッチの電流検出回路 | |
CN112114257B (zh) | 电压电流转换电路及充放电控制装置 | |
US20190235006A1 (en) | Wiring line abnormality detecting device | |
CN111721986B (zh) | 一种宽输入共模电压范围电流检测放大器电路 | |
US20050127921A1 (en) | Voltage detecting circuit | |
US20230318315A1 (en) | Voltage detection circuit, charge control circuit, charge and discharge control circuit, and semiconductor device | |
US20220337242A1 (en) | Electric circuitry for signal transmission | |
JP6531945B2 (ja) | 過電流検出回路 | |
JP2023147174A (ja) | 電圧検出回路、充電制御回路、充放電制御回路及び半導体装置 | |
JP2005151708A (ja) | 1チップの半導体装置に集積したキャパシタ充電回路 | |
JPH01152806A (ja) | 容量結合回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220510 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20230118 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230124 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230613 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230614 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7297549 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |