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366-apgrd003
366-apgrd003

Part Number: APGRD003

TIRE PRESSURE MONITORING SYSTEM REFERENCE DESIGN

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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Overview

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

Package Contents

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

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All Application Notes

Documentation

Title
Document Id
Networking Firmware Download d4999208-b2a4-4f31-94cd-2d98532c0e22
Tire Pressure Monitoring System User's Guide Download 262c2536-ed4d-4025-831c-c5a071a54880
TPMS Hardware and Software Files Download 0b24cc26-5a1a-462a-971a-5d003f56f99f

Application Notes

Title
Date
Document Category
Tire Pressure Monitoring (TPM) System 09 Jan 2009 Link Application Notes

Additional Resources

Additional Information

Additional Resources:

App Note AN238: Tire Pressure Monitoring (TPM) System