FPCU receives functional safety certification

May 06, 2020 //By Christoph Hammerschmidt
FPCU receives functional safety certification
In 2015, French startup Silicon Mobility invented the Field Programmable Control Unit (FPCU). This very unique semiconductor architecture is designed to remove the biggest roadblocks for automotive electronics, and in particular for the hybrid and battery electric powertrains. Now Silicon Mobility’s flagship product, the OLEA T222, has achieved the ISO 26262:2018 certification which confirms that the device meets the mandatory standards of functional safety.

The certification of the T222 FPCU has been achieved following an in-depth audit performed by SGS-TÜV Saar assessing the quality, rigorousness and completion of Silicon Mobility’s analyses while designing, describing and completing the defined safety goals. OLEA T222 FPCU is a Safety Element out of the Context (SEooC) for defined powertrain applications such as control of inverters/e-motors, DC/DC converters and On- Board-Chargers and electric drive axles.

The OLEA T222 combines the hardware flexibility of a real-time control unit with the software flexibility of a standard processor on a single chip. AMEC integrates parallel data paths between acquisition and actuation peripherals and the Flexible Logic Unit (FLU), an automotive specific and robust embedded programmable logic with DSP resources.

Circuit diagram of the OLEA T222 FPCU

The FPCU concept removes software bottlenecks by enabling software and hardware execution of high frequency and precise PWM control algorithm while limiting heat dissipation. Using Silicon Mobility's FPCU, user's control command can be programmed in hardware into FLU and delivers the following performances compared to conventional microcontroller-based solutions. Its specific architecture features 40x acceleration of data processing capabilities, up to 20x faster hard real-time control loops and up to 180x less power consumption.

More information:  https://www.silicon-mobility.com/

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