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SNP746 Highly integrated BLE TPMS IC

PREVIEW

SNP746 is a high performance dual mode TPMS chip with BLE RF transmitter, supports BLE 5.1 protocol and bi-directional link, the BLE series of products will focus on providing solutions for intelligent networking and automatic driving.


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

Block Diagram

  • SNP746.svg
    • SNP746_top.png
    • demo

Features

Highly Integrated

  • Calibrated pressure sensor for absolute pressure measurement

  • Temperature and supply voltage sensors

  • XZ-axis accelerometer with calibration

Low Power

  • Quiescent current : 0.3µA

  • Tx Power: 6.3mA@0dBm with DCDC

  • Rx Power: 5.5mA@0dBm with DCDC

High Accuracy

  • RF transmission: 2.4GHz

  • Rx sensitivity: -96dBm

Wide Adaptation

  • Support BLE 5.1 protocol

  • Working modes: unidirectional broadcast/bi-directional link

  • Measurement range: 900kPa/1900kPa

  • Operating temperature: -40~125°C

  • Communication interface: I2C/SPI/UART/LIN

Small Package

  • 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 sensor

Parameters

  • Pressure range
    900/1900kPa
  • Supply voltage
    2.1～3.6V
  • Output power
    -20~+4dBm (adjustable)
  • Quiescent current (3V,25℃)
    0.3μA
  • Debug mode
    ASK/FSK/GFSK
  • Tx Power (2.4GHz,0dBm)
    6.3mA
  • Rx Power (2.4GHz,0dBm)
    5.5mA
  • Rx sensitivity
    -96dBm
  • Temperature range
    -40～125℃
  • Package size
    6*5*1.9mm
  • Package
    LGA 24PIN

Selection Table

Model
【PDF】
Pressure range (kPa)
Package
Packing option
SNP74601CLE
900
LGA24
Reel, 3000
SNP74602CLE
1900
LGA24
Reel, 3000