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Full authority digital engine control (FADEC)

Products and reference designs
Block diagram

Full authority digital engine control (FADEC)

Block diagram

Overview

Our integrated circuits and reference designs help you create full-authority digital engine control (FADEC) systems that capture precise sensor measurements. Our portfolio of devices and designs capture measurement of temperature, pressure, vibration, humidity, voltage and current.

Design requirements

    FADEC systems often require:

  • High-resolution digitizers for precise measurement of multiple engine sensors.
  • Accurate, low-latency control loops for precise engine control and diagnostics.
  • Enhanced products (EP) and high-reliability components for long service life.

Block diagram

Find products and reference designs for your system.

Full authority digital engine control (FADEC)

Power management Power management Isolated DC/DC power stage Isolated DC/DC power stage Remote or Local Sensor Node Remote or Local Sensor Node Processor interface Processor interface Interface Interface P P u u m m p p Pump Pump Relay Relay Solenoid Solenoid Heater Heater Sensors Sensors Temp Sensor TempSensor Pressure Sensor PressureSensor Humidity Sensor HumiditySensor IDAC IDAC Voltage Reference Voltage Reference Sensor DC Excitation Sensor DC Excitation Voltage Reference Voltage Reference Precision reference Precision reference Amp Amp MUX MUX MUX MUX SW SW Analog input path Analog input path Precision signal conditioning Precision signal conditioning FDA FDA Amp Amp Amp Amp Precision ADC PrecisionADC Precision digitizer Precision digitizer [Enter Subsystem Name] [Enter Subsystem Name] Integrated signal conditioning Integrated signal conditioning Isolation Isolation Isolated CAN IsolatedCAN Isolated RS-485 IsolatedRS-485 Digital isolator Digital isolator Memory Memory DDR DDR DDR Term DDR Term Processor Processor Processor DSP DSP+ARM® ARM® ProcessorDSPDSP+ARM®ARM® - or - - or - FPGA FPGA LVDS LVDS Buffer Buffer Crosspoint Crosspoint Interface protection Interface protection TVS TVS TVS TVS ESD ESD ESD ESD ARINC-664 ARINC-664 Ethernet PHY/MUX Ethernet PHY/MUX Serial Serial RS-485 RS-485 RS-232 RS-232 ARINC-825 ARINC-825 CAN PHY CAN PHY Processor monitor Processor monitor Supervisor & reset IC Supervisor& reset IC Temp sensor Tempsensor Fault detect Fault detect System interface System interface I2C GPIO expander I2C GPIO expander Logic Logic Voltage translator Voltage translator System controller System controller Safety MCU 32-Bit ARM® Safety MCU32-Bit ARM® Real Time DSP C2000 Real Time DSPC2000 Actuator/pump/motor driver Actuator/pump/motor driver Power Amp PowerAmp Low Side driver Low Side driver Motor Driver Motor Driver Gain/offset calibration Gain/offset calibration DAC DAC Amp Amp DAC DAC GaN GaN PWM/resonant controller PWM/resonant controller Current sense Current sense Power sequencer Power sequencer Voltage supervisor Voltage supervisor Boost converter Boost converter FETs FETs Load switch & protection Load switch & protection Load switch Load switch eFuse eFuse Hot swap Hot swap Low noise supply Low noisesupply LDO LDO SoC supply SoC supply PMIC PMIC TVS TVS TVS TVS Input protection Inputprotection Buck controller Buck controller V V o o Half-bridge driver Half-bridge driver Shunt reference Shunt reference Buck module Buck module Buck converter Buck converter Sync rectifier Sync rectifier

Sensors

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Sensors can be used for temperature, pressure or strain measurements of the engine

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Sensors (5)
Digital temperature sensors
  • TMP116—0.2C digital temperature sensor, 64-bit non-volatile memory
    Data sheet: PDF | HTML
  • LM95233—±2°C Dual Remote and Local Temperature Sensor with TruTherm Technology and SMBus Interface
    Data sheet: PDF | HTML
  • LMT01-Q1—Automotive Grade, 0.5°C Accurate 2-pin Temperature Sensor with a Pulse Train Interface
    Data sheet: PDF | HTML
Analog temperature sensors
  • LMT86-Q1—Automotive Grade, 2.2V-Capable, 10 uA Analog Output Temperature Sensor
    Data sheet: PDF | HTML
Humidity sensors
  • HDC3022—0.5% RH digital humidity sensor with permanent IP67 filter
    Data sheet: PDF | HTML
  • TIDA-01235—Automotive High Temperature Sensor (HTS) Reference Design
    Design guide: PDF Schematic: PDF

Technical documentation

View all 4
No results found. Please clear your search and try again.
Type Title Date
Application note Ultrasonic Sensing for Fluid Identification and Contamination 30 Apr 2015
Application note Thermocouple, Cold-Junction Compensation—Analog Approach 11 Nov 2014
Application note Keystone Error Detection and Correction EDC ECC (Rev. A) 10 May 2022
Application note System Noise Analysis of a Resistive Bridge Pressure Sensor Connected to the PGA 07 Jul 2015

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