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Freescale Programmable Solenoid Controller Helps to Reduce Emissions and Improve Efficiency for Direct Fuel Injection Engines

Governments worldwide have issued regulations requiring automakers to improve fuel efficiency and meet new emissions standards over the next five to ten years. To help automakers and their suppliers comply with these requirements, Freescale Semiconductor today announced the MC33816 programmable solenoid controller, designed to reduce emissions and improve fuel efficiency for both gasoline and diesel direct fuel injection engines. The flexible architecture is also applicable for driving dual clutch transmissions, as well as precision solenoids in factory automation applications.

The MC33816 programmable solenoid controller embeds intelligence with four integrated μCores, enabling four parallel tasks to run independently of the main system microcontroller. The result is a response time up to 16x faster than traditional architectures, thereby improving engine efficiency with precise fuel delivery that reduces unnecessary fuel use.

The device’s functional integration enables substantial bill-of-materials reductions, and provides the flexibility and scalability necessary to be easily integrated into virtually any engine system, including gasoline, diesel, flex-fuel and even LNG engines, regardless of the number of cylinders.

“Increasingly stringent fuel efficiency standards require highly advanced analog technologies like the intelligent MC33816 device,” said James Bates, senior vice president and general manager for Freescale’s Analog and Sensors business. “This new programmable solenoid controller can help automotive OEMs and their suppliers meet efficiency and emissions goals, while providing a reliable, high-performance system solution that supports advanced diagnostic functionality, faster response times, and optimal programmability.”

The intelligent MC33816 controller additionally provides embedded encryption and microcode protection to inhibit reverse engineering and help safeguard system IP and software.

Additional features include:

  • 9-32 V continuous supply, 5.5-58 V transient
  • Up to 72 V pre-driver operating range
  • Precision peak and hold drive capability
  • Integrated DC-DC boost converter control circuitry
  • Choice of four programmable slew rates 12.5 V/uS – 300 V/uS
  • 10 x 10 mm 64-pin LQFP-EP package

Development support

Freescale provides hardware and software to support the MC33816 programmable solenoid controller. The KIT33816AEEVM evaluation board allows utilization of the controller’s functions and is available now at for a price of $216 (USD). To demonstrate the embedded functions of the MC33816 programmable solenoid controller, software with SPI generator (SPIGen) can be downloaded at

Availability and pricing

The MC33816 programmable solenoid controller is available now at for a suggested resale price starting at $3.06 (USD) in 100K quantities. Please contact Freescale Sales for additional quantities.

Freescale at CAR-ELE Japan 2014

Freescale will demonstrate several automotive solutions in booth # West 1-19 at the CAR-ELE Japan 2014 event in Tokyo, January 15-17. The MC33816 programmable solenoid controller demo will show the intelligent pre-driver IC for the direct injection engine.

Robust and reliable analog performance

The majority of Freescale’s analog products meet critical industrial market requirements, including operation across extended temperature ranges. These products are designed and manufactured with rigorous process controls, and qualified using industry standard methodologies designed to yield defect rates in line with the stringent requirements of the automotive market. The MC33816 device, in addition to most of Freescale’s analog products for industrial markets, are included in Freescale’s product longevity program, which provides assurance of supply for a minimum of 10 or 15 years from the time of launch. For terms and conditions, and to see a list of participating Freescale products, visit

About Freescale

Freescale Semiconductor (NYSE: FSL) is a global leader in embedded processing solutions, providing industry leading products that are advancing the automotive, consumer, industrial and networking markets. From microprocessors and microcontrollers to sensors, analog integrated circuits and connectivity – our technologies are the foundation for the innovations that make our world greener, safer, healthier and more connected. Some of our key applications and end-markets include automotive safety, hybrid and all-electric vehicles, next generation wireless infrastructure, smart energy management, portable medical devices, consumer appliances and smart mobile devices. The company is based in Austin, Texas, and has design, research and development, manufacturing and sales operations around the world.

Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2014 Freescale Semiconductor, Inc.

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