Freescale Semiconductor is now providing samples of 77 gigahertz (GHz) silicon germanium (SiGe) integrated chipsets to select customers for use in automotive radar systems.
Freescale’s radar solutions provide long- and mid-range functionality, allowing automotive systems to monitor the environment around the vehicle to help prevent crashes.
Freescale’s 77 GHz technology allows a device to switch between long- and short-range functionality simply by issuing a serial peripheral interface (SPI) command.
This enables the same radar module to be used for multiple safety systems, such as adaptive cruise control, headway alert, collision warning and mitigation.
Long-range radar, used for adaptive cruise control and lane departure warnings, has long and narrow coverage directly in front and back of the car.
Short-range radar, ideal for blind spot detection, pre-crash and stop-and-go applications, monitors the car’s immediate surroundings with a wide spatial view that covers shorter distances.
Freescale has been developing its radar technology for collision warning and avoidance for the past several years and is one of the only companies developing with SiGe technology for long-range radar.
“77 GHz is likely to be the European Union’s radar band of choice in 2013, with China and the United States expected to follow,” said Demetre Kondylis, vice president and general manager of Freescale’s Sensor & Actuator Solutions Division.
Note: Freescale plans to have standard products available by 2012.