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Interconnect/distribution box

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Block diagram

Interconnect/distribution box

Block diagram

Overview

Interconnect/distribution box systems provide in-flight experiences to commercial airline passengers worldwide. Our reference designs and integrated circuits enable innovation on performance and size, weight and power (SWaP) reduction in IFE monitors and other peripherals.

Design requirements

Modern interconnect/distribution box systems require:

  • Support for various sizes of high definition (HD) displays.
  • Highly integrated components for SWaP optimization.
  • Graphics processor supporting high-efficiency video coding.
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Block diagram

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Interconnect/distribution box

Display processing unit Display processing unit Seat display unit (SDU) Seat display unit (SDU) Display module Display module Processor Processor -- and / or -- -- and / or -- Display panel Display panel 28 V 28 V USB output USB output System telemetry/monitoring System telemetry/monitoring Power Management Power Management Power Tree Power Tree Passenger control unit (PCU) Passengercontrolunit (PCU) 28 V 28 V Network processor Networkprocessor Bluetooth Bluetooth Wi-Fi Wi-Fi Graphics processor Graphicsprocessor Infotainment SoC DSP+ARM® Infotainment SoC DSP+ARM® ARINC 429 ARINC 429 ARINC 429 transciever ARINC 429 transciever RS-232 RS-232 RS-232 transceiver RS-232 transceiver RS-485 RS-485 RS-485/22 transceiver RS-485/22 transceiver Ethernet Ethernet Ethernet PHY / MUX Ethernet PHY / MUX Input interface protection Input interface protection TVS TVS TVS TVS ESD ESD ESD ESD Processor monitor Processor monitor Supervisor & reset IC Supervisor& reset IC Temp sensor Tempsensor Display interface Display interface High-speed MUX High-speed MUX SerDes SerDes Bridge, transceiver Bridge, transceiver Re-timer, redriver Re-timer, redriver Display interface protection Display interface protection TVS TVS TVS TVS ESD ESD ESD ESD Audio CODEC Audio CODEC DAC DAC ADC ADC DSP DSP Audio interface Audio interface Amp Amp Audio MUX AudioMUX Clock reference Clock reference Programmable clock oscillator Programmableclock oscillator Audio output Audio output Amp Amp Pre amp Preamp Display monitoring Display monitoring Ambient light sensor Ambientlight sensor Temp sensor Temp sensor Display power Display power Bias supply Bias supply Gamma buffer Gamma buffer Backlight Backlight Backlight LED driver Backlight LED driver Touch screen controller Touch screen controller Capacitive sensing MCU Capacitive sensing MCU Touch screen controller Touch screen controller Display serial interface Display serial interface I2C buffer/hub I2C buffer/hub I2C GPIO expander I2C GPIO expander PCU serial interface PCU serial interface RS-232 transceiver RS-232 transceiver RS-485 transceiver RS-485 transceiver USB interface USB interface USB transceiver USB transceiver USB power USBpower Audio USB interface Audio USB interface Audio USB converter Audio USB converter Audio MUX AudioMUX Telemetry MCU Telemetry MCU MSP430 16-Bit MCU MSP43016-Bit MCU - or - - or - Real time 32-bit MCU Real time 32-bit MCU Digital output sensors Digital output sensors Temp sensor Tempsensor Current monitor Current monitor Temp switch Temp switch Humidity sensor Humiditysensor ToF sensor ToF sensor Comparator Comparator Precision digitizer Precision digitizer ADC ADC VREF VREF Signal conditioning Signal conditioning Amp Amp MUX MUX Analog sensors Analog sensors Temp sensor Tempsensor Current sensor Current sensor Load switch Load switch Power MUX Power MUX Power distribution Power distribution Processor supply Processor supply DC-DC DC-DC FET FET Inverting DC-DC Inverting DC-DC DC-DC DC-DC Analog supply Analog supply Supply protection Supply protection HotSwap controller HotSwapcontroller TVS TVS Applications processor Applicationsprocessor Processor / SoC DSP+ARM® ARM® Processor/ SoCDSP+ARM®ARM® System interface System interface Logic Logic Voltage translator Voltage translator I2C MUX I2C MUX Voltage sequencer Voltage sequencer Load switch Load switch Supply sequencing Supply sequencing System supply System supply DC-DC DC-DC DDR Term regulator DDR Termregulator Memory supply Memory supply Linear regulator LDO LinearregulatorLDO Low noise supply Low noise supply Linear regulator LDO LinearregulatorLDO Clock distribution Clock distribution Clock buffer Clock buffer Frequency synthesizer Frequency synthesizer RF PLL RF PLL Clock generator Clock generator ... ...

Digital sensors

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Sensors with digital outputs/discrete including temperature switches and sensors, power monitors, humidity sensors, ToF sensors, and comparators

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Amplifiers (7)
Comparators
  • TLV1702—Dual high voltage, low power comparator
    Data sheet: PDF | HTML
  • TLV6713—36V comparator with integrated reference
    Data sheet: PDF | HTML
  • TLV1701—Single high voltage, low power comparator
    Data sheet: PDF | HTML
  • TLV3601—2.5-ns high-speed rail-to-rail comparator with push-pull outputs
    Data sheet: PDF | HTML
  • TL331LV—1.65-V to 5.5-V, low-voltage single standard comparator with Pin 4 output
    Data sheet: PDF | HTML
  • LM2903—Dual differential comparator
    Data sheet: PDF | HTML
Digital power monitors
  • INA226—36V, 16-bit, ultra-precise i2c output current/voltage/power monitor w/alert
    Data sheet: PDF | HTML
Sensors (13)
Digital temperature sensors
  • LM75B—±2°C, 3.0V to 5.5V industry standard temperature sensor with I2C/SMBus interface
    Data sheet: PDF | HTML
  • TMP75—1C digital temperature sensor, I2C/SMBus in industry standard LM75 form factor
    Data sheet: PDF | HTML
  • TMP175—Temperature Sensor with 27 I2C/SMBus Addresses in Industry Standard LM75 Form Factor & Pinout
    Data sheet: PDF | HTML
  • TMP275—±0.5°C Temperature Sensor with I2C/SMBus Interface in Industry Std LM75 Form Factor & Pinout
    Data sheet: PDF | HTML
  • LM95233—±2°C Dual Remote and Local Temperature Sensor with TruTherm Technology and SMBus Interface
    Data sheet: PDF | HTML
  • TMP102—2C digital temperature sensor, I2C/SMBus in 2.56mm2 package
    Data sheet: PDF | HTML
Temperature switches
  • TMP300—Resistor-Programmable, up to 18V-Capable Temp Switch and Analog Out Sensor
    Data sheet: PDF | HTML
  • TMP303—Factory Programmed Temperature Window Comparator
    Data sheet: PDF | HTML
  • TMP302—Pin-Selectable Trip Point 1.4V-Capable Family of Temperature Switches
    Data sheet: PDF | HTML
Hall-effect latches & switches
  • DRV5033—High voltage (up to 38V), high bandwidth (up to 30 kHz) omnipolar switch
    Data sheet: PDF | HTML
  • DRV5032—Low-power (5Hz, <1µA) low-voltage (up to 5.5V) switch
    Data sheet: PDF | HTML
Humidity sensors
  • HDC3022—0.5% RH digital humidity sensor with permanent IP67 filter
    Data sheet: PDF | HTML
Proximity sensors
  • OPT3101—ToF-based long-range proximity and distance sensor analog front end (AFE)
    Data sheet: PDF | HTML
  • TIDA-00313—-48V Telecom Current/Voltage/Power Sense with Isolation
    Design guide: PDF Schematic: PDF
  • TIDA-00373—Backlight and Smart Lighting Control by Ambient Light and Proximity Sensor Reference Design
    Design guide: PDF Schematic: PDF
  • TIDA-00972—±2% Accurate Humidity Sensing Reference Design Supporting Robust 2m Wire Communication
    Design guide: PDF Schematic: PDF
  • TIDA-010021—Wide-range (120° FoV at 1.6 meters) proximity sensing reference design with immunity to sunlight
    Design guide: PDF Schematic: PDF
  • TIDA-01008—Optical Sense Backlight Reference Design with Temperature Sensing
    Design guide: PDF Schematic: PDF
  • TIDA-01625—Low Power Humidity and Temperature Digital Meter Reference Design
    Design guide: PDF Schematic: PDF
  • TIDA-01626—Low Power Temperature Digital Meter Reference Design
    Design guide: PDF Schematic: PDF

Technical documentation

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Type Title Date
Application note Understanding Undervoltage Lockout in Power Devices (Rev. A) 26 Sep 2018
White paper Powering automotive displays to create interactive driving experiences 26 Jan 2018
Application brief OPT3001/-Q1:Automatic control of Display backlight using an Ambient Light Sensor 18 Aug 2017
White paper Build a true fidelity system using video signal conditioners 17 Jun 2016
White paper Jump Start Upgrading Your Digital Cluster Design with Jacinto 6 Platform (Rev. A) 17 Aug 2020
White paper Understanding high dynamic range(HDR) displays - enhancing the viewing experienc 17 Aug 2018
White paper 為下一代車輛開發的汽車閘道 (Rev. B) 16 Nov 2020
More literature Amplifiers for Displays 16 Jul 2013
White paper 차세대 자동차를 위한 진화하는 차량용 게이트웨이 (Rev. B) 12 Nov 2020
White paper Evolving automotive gateways for next-generation vehicles (Rev. B) 11 Nov 2020
White paper Evolving automotive gateways for next-generation vehicles (Rev. B) 11 Nov 2020
Application note Keystone Error Detection and Correction EDC ECC (Rev. A) 10 May 2022
Application note Optimizing DRA7xx and TDA2xx Processors for use with Video Display SERDES (Rev. B) 07 Nov 2017

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