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STMicroelectronics Drives for Higher Integration with 8-bit Microcontroller Family Now Qualified for Automotive Applications

Geneva, - STMicroelectronics, one of the world’s leading suppliers of microcontrollers for automotive applications, today announced that its ST7FMC microcontroller family has been Automotive-Grade qualifiedto meet the specific and rigorous demands of the automotive market. Built around an industry-standard 8-bit core and designed for driving Brushless Direct Current (BLDC) motors, the microcontroller family is ideal for use in various car body applications such as fuel and water pumps, cooling fans and interior blowers.

The ST7FMC family features higher system integration compared to alternative microprocessor or Digital Signal Processor (DSP)-based approaches. The micros minimize the need for external components, and reduce Printed Circuit Board (PCB) space, thus lowering the cost of the overall application. The family features an embedded motor-control cell, which includes six-phase Pulse-Width Modulation (PWM) control, voltage or current sensing and a highly flexible Back Electromotive Force (BEMF) detector for the sensorless control of permanent-magnet BLDC motors. All the application-specific devices in the family now operate over the full automotive temperature range of -40 degrees C to +125 degrees C and include safety features such as current sensing used for stall detection, asynchronous emergency stop, write-once registers and Clock Security System (CSS). ST’s patented algorithms also enable the motor-control cell to offer unique fail-free motor-starting capabilities.

The higher integration of the family allows reduced code size, while the addition of the motor-control cell minimizes the CPU load to control the motor. In addition an integrated Local Interconnect Network (LIN) communication interface and the availability of a complete set of standard peripherals control various application environments.

All devices in the family are supported by an extensive range of state-of-the-art development tools. Dedicated Automotive evaluation and development kits are designed to allow customers to prove device performance in their own applications. Furthermore, the ST7FMC family, with easy-to-use software and complete motor control C-libraries, delivers advantages in terms of productivity and faster time-to-market.

Housed in tiny TQFP32 and TQFP44 packages, the devices are available now in production volume. Pricing starts from $1.65, depending on the device, in 10,000 unit quantities.

Further information on ST’s complete range of microcontrollers is available at

Sábado, 09 Diciembre, 2006 - 11:03
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