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SNP739D Highly integrated TPMS IC

ACTIVE

SNP739D can measure pressure, radial acceleration, temperature and power supply voltage, and has passed vehicle certification. SNP739D has a pressure automatic range function, with a range of 100 to 900/1900 kPa.

  • Block Diagram
  • Features
  • Applications
  • Parameters
  • Selection Table

Block Diagram

  • 739D.svg
    • SNP739D_top.png
    • SNP739D.png

Features

  • Calibrated pressure sensor for absolute pressure measurement

  • Temperature and supply voltage sensors

  • XZ-axis accelerometer with calibration

  • 12-bit analog-to-digital converter (ADC12)

  • Modulation: ASK/FSK


  • Support LF programming

  • Support Wheel Auto Mapping (WAM)

  • Communication interface: SPI/UART/I2C/LIN

  • All GPIOs support low power wakeup

  • Package: LGA 24pins. 6.0mm x 5.0mm x 1.9mm


Applications

  • icon01.svg icon02.svg
    Tire Pressure Monitoring Sensor
  • icon03.svg icon04.svg
    MEMS Sensing

Parameters

  • Pressure range
    900/1900kPa
  • Supply voltage
    2.1～3.6V
  • Output power
    5/8/10dBm
  • Quiescent current (3V,25℃)
    0.2μA
  • RF current (5dBm,3V,-40~125℃)
    min: 5.2mA
    max: 5.8mA
  • Temperature range
    -40～125℃
  • Package size
    6*5*1.9mm
  • Package
    LGA?24PIN
  • Pressure accuracy
    ±5KPa/±7KPa (0~70°C)
  • Temperature accuracy
    ±3℃(-20~90℃)
    ±5℃(-40~20℃, 90~125℃)

Selection Table

Model
【PDF】
Pressure range (kPa)
Acceleration
Package
Packing option
SNP739D01CLE
100~900
X/Z-axis
LGA24
Reel, 3000
SNP739D02CLE
100~1900
X/Z-axis
LGA24
Reel, 3000
SNP739D51CLE
100~900
None
LGA24
Reel, 3000
SNP739D81CLE
100~900
X/Z-axis
LGA24
Reel, 3000
SNP739D82CLE
100~1900
X/Z-axis
LGA24
Reel, 3000
SNP739D61CLE
100~900
None
LGA24
Reel, 3000