CN118975112A - 半导体装置、模块 - Google Patents

半导体装置、模块 Download PDF

Info

Publication number
CN118975112A
CN118975112A CN202380031202.XA CN202380031202A CN118975112A CN 118975112 A CN118975112 A CN 118975112A CN 202380031202 A CN202380031202 A CN 202380031202A CN 118975112 A CN118975112 A CN 118975112A
Authority
CN
China
Prior art keywords
current
terminal
signal
resistor
feedback
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.)
Pending
Application number
CN202380031202.XA
Other languages
English (en)
Chinese (zh)
Inventor
青木启
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm Co Ltd
Original Assignee
Rohm Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of CN118975112A publication Critical patent/CN118975112A/zh
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of DC power input into DC power output
    • H02M3/02Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10Conversion 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
    • H02M3/145Conversion 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
    • H02M3/155Conversion 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
    • H02M3/156Conversion 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
    • H02M3/158Conversion 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 including plural semiconductor devices as final control devices for a single load
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • H05B45/14Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/0003Details of control, feedback or regulation circuits
    • H02M1/0009Devices or circuits for detecting current in a converter
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/32Means for protecting converters other than automatic disconnection
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/37Converter circuits
    • H05B45/3725Switched mode power supply [SMPS]
    • H05B45/375Switched mode power supply [SMPS] using buck topology
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40Details of LED load circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Measurement Of Current Or Voltage (AREA)
CN202380031202.XA 2022-03-31 2023-02-17 半导体装置、模块 Pending CN118975112A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022060375 2022-03-31
JP2022-060375 2022-03-31
PCT/JP2023/005650 WO2023188965A1 (ja) 2022-03-31 2023-02-17 半導体装置、モジュール

Publications (1)

Publication Number Publication Date
CN118975112A true CN118975112A (zh) 2024-11-15

Family

ID=88200353

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380031202.XA Pending CN118975112A (zh) 2022-03-31 2023-02-17 半导体装置、模块

Country Status (5)

Country Link
US (1) US20250016896A1 (https=)
JP (1) JPWO2023188965A1 (https=)
CN (1) CN118975112A (https=)
DE (1) DE112023000986B4 (https=)
WO (1) WO2023188965A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118975112A (zh) * 2022-03-31 2024-11-15 罗姆股份有限公司 半导体装置、模块
JP2025018051A (ja) * 2023-07-26 2025-02-06 セイコーエプソン株式会社 半導体回路装置及びスイッチングレギュレーター

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4689309B2 (ja) * 2005-03-18 2011-05-25 ローム株式会社 増幅回路ならびに電子機器
JP2010110148A (ja) * 2008-10-31 2010-05-13 Panasonic Corp 電源装置
WO2013077269A1 (ja) * 2011-11-21 2013-05-30 パナソニック株式会社 電源装置、点灯装置、灯具、及び車両
US8896214B2 (en) * 2011-12-19 2014-11-25 Monolithic Power Systems, Inc. LED driving system for driving multi-string LEDs and the method thereof
US9585207B2 (en) * 2014-07-11 2017-02-28 General Electric Company System and method for achieving precise regulation of multiple outputs in a multi-resonant LED driver stage
CN104270861B (zh) * 2014-09-30 2017-01-18 成都芯源系统有限公司 Led驱动器、控制电路及led驱动方法
EP3624566B1 (en) 2015-08-04 2021-04-07 Koito Manufacturing Co., Ltd. Lighting circuit
JP2017175415A (ja) * 2016-03-24 2017-09-28 ヤマハ株式会社 電流検出装置
US11193957B2 (en) * 2019-08-13 2021-12-07 Analog Devices International Unlimited Company Shunt resistor averaging techniques
JP7345326B2 (ja) * 2019-09-06 2023-09-15 ローム株式会社 発光素子駆動装置
JP7520668B2 (ja) * 2020-09-30 2024-07-23 ローム株式会社 電流検出回路
EP4298866A1 (en) * 2021-02-23 2024-01-03 Signify Holding B.V. Multi-channel driver with switchable by pass capacitors
JPWO2023188964A1 (https=) * 2022-03-31 2023-10-05
CN118975112A (zh) * 2022-03-31 2024-11-15 罗姆股份有限公司 半导体装置、模块
US11990175B2 (en) * 2022-04-01 2024-05-21 Micron Technology, Inc. Apparatuses and methods for controlling word line discharge
US12395063B1 (en) * 2022-08-18 2025-08-19 Zhonghui BING Control system for a bi-directional totem-pole ac-dc converter
TWI890420B (zh) * 2024-04-29 2025-07-11 茂達電子股份有限公司 隨電流動態調整電壓餘裕的電源轉換器

Also Published As

Publication number Publication date
DE112023000986T5 (de) 2024-12-05
JPWO2023188965A1 (https=) 2023-10-05
WO2023188965A1 (ja) 2023-10-05
DE112023000986B4 (de) 2025-07-17
US20250016896A1 (en) 2025-01-09

Similar Documents

Publication Publication Date Title
JP7520668B2 (ja) 電流検出回路
CN100466432C (zh) 适用于具有预偏置负载的变换器的启动电路
EP2573575B1 (en) Digital switching converter control
JP4778226B2 (ja) Dc−dcコンバータ
US7372241B1 (en) Apparatus and method for switching voltage regulation
US7045993B1 (en) Apparatus and method for step-down switching voltage regulation
US20250016896A1 (en) Semiconductor device and module
US7679351B2 (en) Power supply apparatus
US11265981B2 (en) Light emitting element driving device
CN111596715B (zh) 电压调整装置、芯片、电源及电子设备
US20250024568A1 (en) Light-emitting element drive device, light emission control device, and light emission device
US20250047205A1 (en) Switching Power Supply
US20240237168A9 (en) Level shifter, semiconductor device, switching power supply, and light emitting device
US20250055373A1 (en) Output feedback control circuit and switching power supply
US12222377B2 (en) Intelligent semiconductor switch with integrated current measurement function
CN112351551B (zh) 调光电路
US12557192B2 (en) Semiconductor device, switching power supply, and lighting device
US7633276B2 (en) Switching control in DC-DC-converters
US20250370009A1 (en) Current sensing circuit and method for sensing a current
US20250105741A1 (en) Semiconductor integrated circuit device and power supply device
JP2025098357A (ja) スイッチング電源装置
JP2025020684A (ja) ランプ電圧生成回路

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination