Introducing a tire pressure monitoring (TPMS) scheme based on NXP FXTH87E

The tire pressure monitoring system is referred to as "TPMS", which is an abbreviation of "Tire Pressure Monitoring System". This technique can perform real-time automatic monitoring of the various conditions of the tire by recording the tire speed or the electronic sensor mounted in the tire, and can provide effective security for driving. The tire pressure monitoring system (TPMS) has become a new standard for improving automotive safety. The NXP TPMS solution provides real-time tire pressure monitoring and reminds the driver at the time of tires. This TPMS solution can measure the air pressure of each tire in real time and transmit this information to the host to display the host instantly to notify the driver. Scene application map Product entity Exhibition board photo Solution block diagram Launch / reception location diagram Core technology advantage 1. Integrated TPMS sensor solution reduces costs and shorten the development cycle; 2. Highly integrated, small size, etc., support compact lightweight wheel mounting TPMS module design; 3. Applicable to various advanced features, such as tire positioning, self-learning and ultra-low speed detection; 4. Suitable for a variety of battery-powered and non-battery power supply systems; 5. The pressure sensor has two pressure range options. Car: 100-450 kPa; light truck: 100-900 kPa; Program specifications TPMS probe: 1. Integrated 8-bit microcontroller (MCU), pressure / temperature sensor, X-axis + Z-axis or Z-axis acceleration sensor and radio frequency transmitter; 2. High power consumption, unique biaxial acceleration sensor architecture can minimize module design, suitable for light weight, space-limited applications; 3. Flexible software development, speed up the product listing; 4. Ultra-small Size QFN 772.2 mm package to meet external or built-in design needs. Be TPMS host: 1. The main control of STM8 bit microcontroller, the RF, LCD drives separate chip control, effectively reduces costs, while taking into account the effectiveness of customer needs; 2. The intelligent polling mechanism can significantly reduce power consumption while ensuring extremely low bit error rate; 3. The average power consumption of the TPMS host is as low as 600ua, which is fully applicable to the application of solar power supply. Sourceful from big.

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