Semiconductors and Components

Freescale Unveils Small Scale Tire Pressure Sensor

20 October 2014

Freescale Semiconductor has rolled out what it claims to be the smallest integrated package for a tire pressure monitoring system (TPMS) family of devices.

Freescale said its new FXTH87 family is 50 percent smaller than competing products, something the Austin, Texas-based company said will help automotive OEMs to reduce overall bill of materials (BOM) costs. The TPMS system-in-package offering allows for low power consumption combined with a high level of functionality weighing only 0.3 grams.

The FXTH87 family includes a dual-axis accelerometer architecture, pressure and temperature sensor, integrated microcontroller, RF transmitter and low frequency receiver.

Freescale's FXTH87 family of TPMS.

Many countries worldwide are requiring TPMS to be included in new vehicles. These countries include the U.S., European Union, China, Japan and Taiwan. TPMS help to prevent flat tires and blowouts by relating the information to the drive through inflation monitoring. This will help in reduce the amount of accidents and facilities that occur each year from tire problems, according to the U.S. National Highway Traffic Safety Administration. IHS Technology forecasts that TPMS will represent more than 25 percent of the total pressure measurement market for automotive sensors by 2015.

Babak Taheri, VP and GM of Freescale’s sensor solutions division, said in a statement that size and weight are critical to TPMS since the system is installed on the vehicle’s tire. He added the FXTH87 is “a one-of-a-kind solution that can help improve the safety and efficiency of virtually every car on the road.”

The FXTH87 TPMS family is available now priced at $3.45 to $3.62 in 10,000 unit quantities.

Related links:

IHS Automotive & Transportation

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