インタラクティブ・ブロック図

ICE Engine Control Unit - Block Diagram

Internal combustion engine (ICE) management deals with the ignition and combustion of the fuel which occurs within the engine itself.

"longDescription": "Detailed Description of Each Block", "blocks": [ { "name": "Vehicle Battery", "function": "Provides a 12V power supply to the system.", "theory_of_operation": "Supplies electrical energy to various components in the EV charging system.", "interaction": "Connected to the Auxiliary Power Supply block.", "category": "Third party", "connection": [ "Auxiliary Power Supply" ] }, { "name": "Auxiliary Power Supply", "sub_blocks": [ { "name": "Converter IC & LDO", "function": "Converts the input voltage to a stable output voltage required by other components.", "theory_of_operation": "Ensures that the voltage levels are within the required range for proper operation.", "interaction": "Provides stable voltage to various blocks within the power supply and protection circuit.", "category": "onsemi", "connection": [] }, { "name": "Voltage Monitoring", "function": "Monitors the voltage levels to ensure they are within specified limits.", "theory_of_operation": "Provides feedback to prevent over-voltage or under-voltage conditions.", "interaction": "Connected to the Converter IC & LDO for monitoring purposes.", "category": "onsemi", "connection": [] }, { "name": "Power Discretes", "function": "Manage power distribution and switching.", "theory_of_operation": "Consists of individual power components like transistors, diodes, and other discrete devices.", "interaction": "Works with other components in the Auxiliary Power Supply for efficient power management.", "category": "onsemi", "connection": [] }, { "name": "Protection", "function": "Includes various protection mechanisms such as over-current protection, over-voltage protection, and thermal protection.", "theory_of_operation": "Safeguards the system from various electrical anomalies.", "interaction": "Connected to the entire Auxiliary Power Supply block for comprehensive protection.", "category": "onsemi", "connection": [] } ], "connection": [ "Main Engine Control Unit" ] }, { "name": "Main Engine Control Unit", "sub_blocks": [ { "name": "Voltage References", "function": "Provides stable reference voltages for analog and digital circuits within the control unit.", "theory_of_operation": "Ensures accurate and stable operation of the control unit\u2019s circuits.", "interaction": "Integral to the operation of the Main Engine Control Unit, connected to various sub-blocks.", "category": "onsemi", "connection": [] }, { "name": "Digital Isolators", "function": "Provide electrical isolation between different parts of the system.", "theory_of_operation": "Prevent noise and interference by isolating signal paths.", "interaction": "Ensures safe and reliable operation by connecting different parts of the system while maintaining isolation.", "category": "onsemi", "connection": [] }, { "name": "ESD Protections", "function": "Protect sensitive electronics from electrostatic discharge.", "theory_of_operation": "Discharges any electrostatic buildup safely.", "interaction": "Installed at various points within the Main Engine Control Unit to protect sensitive components.", "category": "onsemi", "connection": [] }, { "name": "Controllers", "function": "Manage the overall operation of the engine control unit.", "theory_of_operation": "Use microcontrollers or processors to control engine functions.", "interaction": "Coordinates with other sub-blocks to manage engine control operations effectively.", "category": "onsemi", "connection": [] }, { "name": "Memory", "function": "Stores firmware and data required for operation.", "theory_of_operation": "Provides non-volatile storage for essential control unit data.", "interaction": "Interacts with Controllers to fetch and store operational data.", "category": "onsemi", "connection": [] }, { "name": "MCU", "function": "The central processing unit that executes control algorithms.", "theory_of_operation": "Manages communication with other blocks.", "interaction": "Central to the Main Engine Control Unit, interfaces with all other sub-blocks and external blocks.", "category": "Third Party", "connection": [] } ], "connection": [ "Injection Control Unit" ] }, { "name": "Engine Unit Sensors and Feedback", "function": "Includes various sensors that provide feedback to the main engine control unit.", "theory_of_operation": "Monitors parameters such as temperature, pressure, and engine speed.", "interaction": "Sends real-time data to the Main Engine Control Unit for processing and control.", "category": "Third party", "connection": [ "Main Engine Control Unit" ] }, { "name": "Injection Control Unit", "sub_blocks": [ { "name": "Logic Gates", "function": "Perform logical operations required for the control of the injection system.", "theory_of_operation": "Use digital logic to control injection timing and duration.", "interaction": "Connected to other sub-blocks within the Injection Control Unit.", "category": "onsemi", "connection": [] }, { "name": "Power Discretes", "function": "Manage power distribution and switching for the injection system.", "theory_of_operation": "Consist of transistors and other discrete components for controlling power flow.", "interaction": "Work in conjunction with Logic Gates and other components.", "category": "onsemi", "connection": [] }, { "name": "Comparators", "function": "Compare input signals and provide output based on the comparison.", "theory_of_operation": "Use differential signals to control injection precisely.", "interaction": "Integral part of the control loop within the Injection Control Unit.", "category": "onsemi", "connection": [] }, { "name": "Gate Drivers", "function": "Drive the gates of power transistors to control the injection process.", "theory_of_operation": "Amplify control signals to drive high-power transistors.", "interaction": "Interface between control logic and power devices.", "category": "onsemi", "connection": [] } ], "connection": [ "Relay Driver" ] }, { "name": "Relay Driver", "function": "Drives the relay that controls the solenoid.", "theory_of_operation": "Receives signals from the Main Engine Control Unit and activates the relay accordingly.", "interaction": "Acts as an intermediary between the control unit and the solenoid.", "category": "onsemi", "connection": [ "Solenoid" ] }, { "name": "Solenoid", "function": "An electromechanical device that controls the flow of fuel or air in the engine.", "theory_of_operation": "Activated by the relay driver to open or close valves.", "interaction": "Directly interfaces with the Relay Driver for actuation.", "category": "Third party", "connection": [ "High Pressure Pump" ] }, { "name": "Tank", "function": "Stores the fuel or air required for engine operation.", "theory_of_operation": "Acts as a reservoir.", "interaction": "Supplies the High Pressure Pump.", "category": "Third party", "connection": ["High Pressure Pump"] }, { "name": "High Pressure Pump", "function": "Increases the pressure of the fuel or air before it is injected into the engine.", "theory_of_operation": "Uses mechanical force to pressurize the fuel or air.", "interaction": "Connects the Tank and the Common Rail.", "category": "Third party", "connection": [ "Common Rail" ] }, { "name": "Rail Pressure Sensor", "function": "Monitors the pressure in the fuel rail.", "theory_of_operation": "Provides feedback to the Main Engine Control Unit.", "interaction": "Ensures the pressure is within optimal range.", "category": "Third party", "connection": ["Common Rail"] }, { "name": "Common Rail", "function": "Distributes high-pressure fuel or air to the injectors.", "theory_of_operation": "Acts as a manifold.", "interaction": "Connects the High Pressure Pump and Injectors.", "category": "Third party", "connection": [ "Injector" ] }, { "name": "Injector", "function": "Injects fuel or air into the engine cylinders.", "theory_of_operation": "Based on signals from the Injection Control Unit.", "interaction": "Final delivery mechanism for fuel or air.", "category": "Third party", "connection": ["Injection Control Unit"] } ], "interconnections": [ { "source": "Vehicle Battery", "target": "Auxiliary Power Supply"" }, { "source": "Auxiliary Power Supply", "target": "Main Engine Control Unit" }, { "source": "Engine Unit Sensors and Feedback", "target": "Main Engine Control Unit" }, { "source": "Main Engine Control Unit", "target": "Injection Control Unit" }, { "source": "Relay Driver", "target": "Solenoid" }, { "source": "Solenoid", "target": "High Pressure Pump" }, { "source": "Tank", "target": "High Pressure Pump" }, { "source": "High Pressure Pump", "target": "Common Rail" }, { "source": "Common Rail", "target": "Injector" } { "source": "Rail Pressure Sensor", "target": "Common Rail" } { "source": "Injector", "target": "Injection Control Unit" } ], "Last_update": "2025-07-30",

Voltage Monitoring - Block

製品

• 電圧リファレンス
  • NCV1009

    2.5 V 電圧リファレンス

  • NCP431

    電圧リファレンス、低カソード電流、プログラムブル、シャント・レギュレータ

  • TLV431

    低電圧精度調整可能シャント・レギュレータ

• 電圧監視
  • NCP308

    電圧監視、超低静止電流、プログラミング可能な遅延時間

  • NCV301

    電圧ディテクタ・シリーズ - 自動定格

  • NCV809

    電圧監視、3 ピン、マイクロプロセッサ、超低供給電流、リセット・モニタ

技術文書

• Application Notes
  • AND90006/D - Recommendations for Reliable Switching Performance using ON Semiconductor 40 V and 80 V Automotive Power Modules Using Shielded-Gate MOSFETs
  • AND8425/D - Detection Voltage Selection Guidelines for Application of NCP30X Family Series
  • AND8028/D - Precision Sub-One Volt 1.7 Ampere Output LDO
  • AND8031/D - Isolated Precision Regulation of a Single 1.8 Volt Output from a Universal Line Input
• Data Sheet
  • NCV1009/D - 2.5 Volt Reference
  • NCP308/D - Low Quiescent Current, Programmable Delay Time, Supervisory Circuit
  • NCP431/D - Programmable Precision References
  • NCP300/D - Voltage Detector Series
  • TLV431A/D - Low Voltage Precision Adjustable Shunt Regulator
  • MAX809S/D - Very Low Supply Current 3-Pin Microprocessor Reset Monitors
• Design Notes
  • DN05012/D - NCP1251: 20 W Output Offline Power Supply
  • DN05028/D - NCP1251: 20 W Output Offline Power Supply Using Synchronous Output Rectification
  • DN05029/D - NCP1251: 12 V, 30 W, Off-line Mini-Forward Converter
  • DN05018/D - NCP1075: Universal AC Input, 12 Vout,10 W E-Meter Power Supply
  • DN06060/D - NCP30x: Detection Voltage Selection Guidelines
• Drawing
  • NCV1009_PKG - NCV1009_PKG | Package Drawing
  • NCP431_PD - NCP431_PD | Package Drawing
  • NCP431_MS - NCP431_MS | Marking Spec
  • NCP431_PO - NCP431_PO | Pin Out
  • NCP431_AD - NCP431_AD | Application Diagram
  • NCP300_PKG - NCP300_PKG | Package Drawing
  • TLV431A_PKG - TLV431A_PKG | Package Drawing
  • MAX809S_PKG - MAX809S_PKG | Package Drawing
• Eval Board
  • SECO-RANGEFINDER-GEVK_SCHEMATIC - SECO-RANGEFINDER-GEVK Schematic | Schematic
  • SECO-RANGEFINDER-GEVK_GERBER - SECO-RANGEFINDER-GEVK Gerber Layout Files (Zip Format) | Gerber
  • EVBUM2850/D - NCP1083 Evaluation Board User's Manual | Manual
  • EVBUM2826/D - All‐in‐One Power Supply Evaluation Board User's Manual, 360 W Power Supply Using NCP1618, NCP13994, NCP4318 and NCP431 | Manual
  • EVBUM2849/D - NCP1081 Evaluation Board User's Manual | Manual
  • SEC-EPS-12V-APM19-GEVB_POWER_BOARD_SCHEMATIC.pdf - SEC-EPS-12V-APM19-GEVB POWER BOARD Schematic | Schematic
  • NCP1081REF12VC4GEVB_SCHEMATIC - NCP1081REF12VC4GEVB Schematic | Schematic
  • SEC-EPS-12V-APM19-GEVB_MCU_BOARD_SCHEMATIC.pdf - SEC-EPS-12V-APM19-GEVB_MCU_BOARD Schematic | Schematic
  • NCP1083REF12VC4GEVB_SCHEMATIC - NCP1083REF12VC4GEVB Schematic | Schematic
  • NCP13994MM360GEVB_SCHEMATIC - NCP13994MM360GEVB Schematic | Schematic
  • SEC-EPS-12V-APM19-GEVB_MCU_BOARD_GERBER - SEC-EPS-12V-APM19-GEVB_MCU_BOARD Gerber Layout Files (Zip Format) | Gerber
  • NCP1083REF12VC4GEVB_GERBER - NCP1083REF12VC4GEVB Gerber Layout Files (Zip Format) | Gerber
  • NCP13994MM360GEVB_GERBER_FILES - NCP13994MM360GEVB Gerber Layout Files (Zip Format) | Gerber
  • NCP1081REF12VC4GEVB_GERBER - NCP1081REF12VC4GEVB Gerber Layout Files (Zip Format) | Gerber
  • SEC-EPS-12V-APM19-GEVB_POWER_BOARD_GERBER - SEC-EPS-12V-APM19-GEVB_POWER_BOARD Gerber Layout Files (Zip Format) | Gerber
  • NCP1081REF12VC4GEVB_BOM_ROHS - NCP1081REF12VC4GEVB Bill of Materials (ROHS Compliant) | BOM
  • NCP1083REF12VC4GEVB_BOM_ROHS - NCP1083REF12VC4GEVB Bill of Materials (ROHS Compliant) | BOM
  • SEC-EPS-12V-APM19-GEVB_POWER_BOARD_BOM_ROHS.pdf - SEC-EPS-12V-APM19-GEVB_POWER_BOARD Bill of Materials (ROHS Compliant) | BOM
  • NCP13994MM360GEVB_BOM_ROHS - NCP13994MM360GEVB Bill of Materials (ROHS Compliant) | BOM
  • SEC-EPS-12V-APM19-GEVB_MCU_BOARD_BOM_ROHS.pdf - SEC-EPS-12V-APM19-GEVB_MCU_BOARD Bill of Materials (ROHS Compliant) | BOM
  • EVBUM2130/D - A5191HRTNGEVB Evaluation Board User's Manual | Manual
  • A5191HRTNGEVB_SCHEMATIC.PDF - A5191HRTNGEVB Schematic | Schematic
  • A5191HRTNGEVB_GERBER.ZIP - A5191HRTNGEVB Gerber Layout Files (Zip Format) | Gerber
  • A5191HRTNGEVB_TEST_PROCEDURE.PDF - A5191HRTNGEVB Test Procedure | Test Procedure
  • A5191HRTNGEVB_BOM_ROHS.PDF - A5191HRTNGEVB Bill of Materials ROHS Compliant | BOM
• Models
  • NCP431 SPICE2 MODEL - NCP431 SPICE2 MODEL
  • NCP431 SCHEMATIC LIBRARY - NCP431 SCHEMATIC LIBRARY
  • NCP431 PSPICE MODEL - NCP431 PSPICE MODEL
  • OLB MODEL FOR TLV431A (ORCAD) - OLB Model for TLV431A (OrCad)
  • LIB MODEL FOR TLV431A (ORCAD) - LIB model for TLV431A (Orcad)
  • TLV431A.LIB - LIB Model for TLV431(IsSpice)
  • TLV431A.SYM - SYM Model for TLV431A(IsSpice)
• Package Drawing
  • 29-11 - TO-92 (TO-226)
  • 751-07 - SOIC-8 Narrow Body
  • 318G-02 - TSOP-6 3.00x1.50x0.90, 0.95P
  • 511BR - WDFN6, 2x2, 0.65P
  • 29-10 - TO-92 (TO-226) 1 WATT
  • 318 - SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P
  • 483 - TSOP-5
• Reference Designs
  • TND6376/D - SEC-EPS-12V-APM19-GEVB: Electronic Power Steering (EPS) with APM19 Reference Design
• Software
  • SECO-RANGEFINDER-GEVK_GUI - SECO-RANGEFINDER-GEVK Graphical User Interface
• System Solution Guide
  • SSG8227/D - Green Hydrogen Electrolyzer
• Video
  • WVD17658/D - Hart Modem QFN Evaluation Board - A5191HRTNGEVB

Evaluation Boards/Kits

• A5191HRTNGEVB

  Hart Modem QFN Evaluation Board

• NCP13994MM360GEVB

  All-in-One 360 W power supply using NCP1618, NCP13994, NCP4318 and NCP431

• SEC-EPS-12V-APM19-GEVB

  A 12V EPS reference design board featuring APM19

FAQs