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Применения > > Tire Pressure Monitoring System Reference Design

Tire Pressure Monitoring System Reference Design (APGRD003)

Tire Pressure Monitoring System (TPMS) measures the tire pressure and wirelessly transmits the data to a controller which displays it on a LCD screen.

Возможности

    The TPMS system contains the following components:

    Board Features Benefits
    Base Station
    • PIC 18F4680 is the Core MCU of the TPMS
    • Provides Scheduling Table for up to 5 Tires
    • Displays Pressure and Temperature Information
    • Supported Communication Protocol: CAN, LIN and RF (UHF)
    • Centralized Unit that can easily be expanded to incorporate additional functionalities such as Passive Keyless Entry or Immobilization.
    Low Frequency Initiator
    • PIC18F2680 enables the interface between Base Station and Tire Pressure Sensor Module
    • Supported Communication Protocol: CAN, LIN and RF (125KHz)
    • Flexible design allows designers to choose between either a CAN or LIN network for communication to Base Station.

    Tire Sensor
    • Uses MCP2030 AFE for detecting the 125Khz signal
    • Analog Sensor for Pressure and Temperature measurements
    • PIC16F684 handles all measurements, calculations and communications
    • Supported Communication Protocol: RF (UHF and 125KHz)

    • Low power consumption
    • Reliable means for detection of the Low Frequency Signal
    • Increased Design Flexibility




    The TPMS Reference Design can be expanded up to five tire sensor nodes with Microchip’s TPMS Accessory Kit (APGAC031).

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