TPMS transmitter adopts Freescale,Infineon dedicated SOC single chip, the main performance is as follows

1. Small size. QFN 7*7mm, few peripheral components

2. High integration. Built-in acceleration, tire pressure, temperature sensor

3. The operating temperature range of automobile class is -40-- +125℃

4. Low power consumption. High transmission efficiency 5dBm@8mA; Dormant current 1uA; Maximum emission current :≤12mA

5.FSK modulation, 433.92mhz +/-20KHZ, strong anti-interference ability

6. Maximum measured air pressure support 450Kpa (4.5kg load), 900Kpa (9kg load), 1500Kpa (15kg load)

7. Working voltage 2.3 ~ 3.3V

The functions and electrical parameters of the receiving solar host are as follows

1. Microchip,ABOV, Zhongying and other brands of high-performance and low-power microcontrollers are used as the main control

2. Tire pressure display and temperature display; Support pressure alarm upper limit, lower limit setting; Support slow leakage reminder, fast leakage alarm; Tire matching with interchangeable function

3. Stop start acceleration induction air pressure display; Tire pressure data updated every 4 minutes; Tire data clearing function

4. Sensor low power detection alarm prompt; Tire high temperature alarm prompt; Solar charging protection function

5. Working frequency 433MHZ+/-50KHZ; Working voltage 3.4 ~ 4.2V (lithium ion rechargeable battery)

6.USB charging current: ≤500mA; Dormant current: 40-70UA; Shutdown current: 10-20UA; Operating current: 4-6mA

7 working temperature: -20 ~ 70℃; Storage temperature: -30 ~ 80℃

8 RF performance: receiving sensitivity < -105dBm