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Freescale makes headway in car safety, IoT

Posted: 10 Nov 2014     Print Version  Bookmark and Share

Keywords:Freescale  Internet of Things  tire-pressure sensing  Ethernet  infotainment 

Freescale has unveiled a couple of automotive solutions that promise to guarantee the reality of an IoT car and a safer vehicle through tire-pressure sensing. According to the company, its comprehensive hardware/software development system offers automotive-grade Ethernet connectivity for infotainment, instrument cluster, camera telematics and rear-seat entertainment, and delivers real-time data transport in vehicles without the need for costly digital technologies.

The Smart Application Blueprint for Rapid Engineering (SABRE) for Auto Infotainment (AI) development system leverages Freescale's i.MX 6 series applications processors, simplifying Ethernet audio video bridging (AVB) deployment and connecting an array of on-board multimedia nodes using automotive grade Ethernet components, basically linking cars, drivers, the cloud and IoT.

Freescale's corresponding Microcontroller Software Solutions supports the development of Ethernet AVB connectivity applications for automotive. SABRE AI supports both 100Mb/s automotive Ethernet physical interfaces as well as multi-port switches to allow customers to design for their specific needs.

The solution from the company features the SABRE Automotive Rev2 CPU Cards with i.MX 6Quad and i.MX 6DualLite applications processors (MCIMX6QAICPU2, MCIMX6DLAICPU2) and the "Flexible Ethernet Expansion" header supporting a Atheros Gb PHY (software compatible with CPU1 systems), 10/100 Broadcom BroadR-Reach PHY and 10/100 Broadcom BroadR-Reach 4-port switch.

Freescale's latest SABRE for AI is sampling with broad availability expected in 1Q15.

The second announcement involves the integration of tire pressure monitoring into a small package featuring extremely low power consumption through precise tire pressure sensing. The FXTH87 tire pressure monitoring system (TPMS) family weighs in at only 0.3g and is 50 per cent smaller than competing products, stated the company.

The TPMS system-in-package solution features a dual-axis accelerometer architecture, pressure and temperature sensor, integrated MCU, RF transmitter and low frequency receiver.

Housed in a 7 x 7 x 2.2mm package, the FXTH87 family provides the smallest footprint available, enabling form factors ideal for tire pressure sensor module developers to reduce the weight and overall BOM cost. RF power consumption at 7mA ldd significantly extends battery life, noted Freescale. Both the single- and dual-axis accelerometer options promise to improve accuracy and facilitate more precise tire localisation implementation and universal interoperability for OEMs and aftermarket applications. The FXTH87 TPMS family is available starting at $3.45 to $3.62 in 10,000-piece quantities.

- Carolyn Mathas

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