The TEF810X from NXP Semiconductors is a Single-Chip Automotive FMCW Radar Transceiver that operates from 76 to 81 GHz. It has been developed in accordance with ISO26262 SEoOC methodology and supports ASIL-B applications. This transceiver has a mm-wave front end that consists of a waveform generator offering flexible chirp control with a chirp bandwidth up to 2 GHz, three transmit chains featuring binary phase control & output level stabilization and four receive chains with high input compression point & low noise figure.
The TEF810X has receive chains containing integrated programmable high-pass filters for suppression of strong low-frequency signals, low-pass filter functionality for suppression of signals, 12-bit SAR ADC with a sampling rate of 40 MS/ and a programmable decimation filter with decimation factors of 1,2,4,8 and 16. It is available in two versions - TEF8101 which uses four high-speed LVDS lines for data output and TEF8102 which uses four data lanes and a clock lane with configurable lane speeds from 120-480 Mbps.
This transceiver requires a DC supply of 1.1-3.3 V and can be controlled via a GPIO interface or a full-duplex SPI interface with a maximum transfer rate of 40 Mbps. It is ideal for short-, medium- and long-range RADAR applications in cars like autonomous emergency braking (AEB), adaptive cruise control (ACC), narrow path assist, lateral collision avoidance, side pre-crash, traffic jam assist, lane change assist (LCA), blind spot detection (BSD), rear cross traffic alert (RCTA), rear pre-crash and parking assist (PA).
