The NXP FXTH870911DT1 is a high-precision tire pressure sensor designed for the automotive industry, particularly for use in tire pressure monitoring systems (TPMS). This integrated sensor combines pressure and temperature sensing with an 8-bit microcontroller (MCU), RF transmitter, and low-frequency receiver, providing a comprehensive solution for TPMS applications.

Key Features

• Integrated Design: The FXTH870911DT1 houses a pressure sensor, an 8-bit MCU, an RF transmitter, and a low-frequency receiver in a single compact package. This integration helps reduce system complexity and the number of external components required.
• Pressure Measurement Range: The sensor is capable of measuring tire pressure from 100 kPa to 900 kPa, making it suitable for a wide range of vehicles from passenger cars to light trucks.
• Temperature Compensation: The built-in temperature sensor provides accurate pressure readings by compensating for temperature changes within the tire, ensuring reliable performance across various environmental conditions.
• Low Power Consumption: Designed for battery-powered applications, the FXTH870911DT1 features a low-power design, which helps extend the battery life of the TPMS.
• High RF Output Power: The sensor's RF transmitter has a high output power, which ensures robust and reliable communication with the vehicle's onboard systems, even under harsh conditions.
• Programmable Functionality: Users can program the internal MCU to suit specific application requirements, offering flexibility and customization for different vehicle platforms.

Applications

The NXP FXTH870911DT1 is primarily used in automotive TPMS to monitor and report tire pressure and temperature to the vehicle's electronic control unit (ECU), contributing to improved fuel efficiency, reduced tire wear, and enhanced safety. Its robust design and reliable performance make it an ideal choice for manufacturers looking to comply with stringent automotive safety regulations.