Freescale Introduces Robust, High-Speed CAN Transceivers for Industrial and Automotive Applications

Devices feature ultra-low quiescent current; engineered to address stringent electromagnetic compatibility requirements without external noise filtering

NUREMBERG, Germany — (BUSINESS WIRE) — November 25, 2013 — To help manufacturers and systems designers more easily achieve compliance with increasingly stringent industrial and automotive safety requirements, Freescale Semiconductor (NYSE: FSL) today announced a family of robust CAN transceivers designed for high-speed performance and reliability.

Electromagnetic compatibility (EMC) and electrostatic discharge (ESD) are critical requirements in harsh industrial and automotive environments due to the close proximity of a wide range of networked electronic systems and devices. Freescale’s MC33901 and MC34901 chokeless CAN high-speed physical layer transceivers deliver outstanding EMC performance and high ESD robustness without the need for external components, thereby reducing overall system costs. The devices also offer fail-safe features to assist with system functional safety, as well as exceptionally low quiescent current down to 8 micro amps.

“Last month, Freescale announced a major initiative to expand our analog portfolio to address the growing industrial market, and today’s introduction of these world-class CAN devices underscores the focus and speed with which we are executing to our strategic industrial analog initiative,” said James Bates, senior vice president and general manager for Freescale’s Analog and Sensors business. “Our newest high-speed CAN devices are a perfect example of how Freescale is aggressively leveraging our automotive expertise in safety, efficiency and robustness for the fast-growing industrial space.”

The MC33901 and MC34901 products convert digital protocol information into analog CAN communication across in-vehicle networks, as well as long-length CAN node interconnect for industrial applications. The devices are ideal for a broad range of applications including safety-critical industrial motor control, factory automation and industrial robotics systems, as well as automotive body electronics, power train and infotainment systems. Both products offer outstanding performance at 2 Mbps baud rate to address CAN FD (flexible data) application requirements.

Product specifications and features

  • Robustness: Exceeds stringent EMC and ESD requirements without added choke (±6kV ESD, >36Bm DPI)
  • Low Power Mode: quiescent current down to 8 micro amps
  • Industrial-Ready: Supports long-length CAN node interconnect for industrial applications
  • Designed for EMC: Low emission design combined with high immunity for optimum EMC performance
  • Pin-for-pin compatible with industry standard
  • 5V and 3.3V I/O compatibility with auto-detect
  • Industry-specific product options:
    • Automotive: Built-in “Tx Dominant Timeout” feature (MC33901)
    • Industrial: Built-in support for long-length and low baud rate networks (MC34901)

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Development support and availability

The MC33901 and MC34901 devices are planned for availability in Q2 2014. To help accelerate time-to-market and demonstrate the benefits of the multiple embedded functions of the devices, Freescale offers industrial and automotive market-specific feature sets, a small form factor evaluation board, as well as OEM certification reports from external laboratories to facilitate design selection. For more information, please visit:

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 MC33901 and MC34901 devices, in addition to most of Freescale’s analog products for industrial, 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.

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