Automotive Radar Chipsets : Top Manufacturers & Companies

Automotive radar chipsets are specialized semiconductor solutions that enable vehicle radar systems to detect, track, and measure the distance, speed, and direction of surrounding objects. Operating primarily in 24 GHz and 77�81 GHz frequency bands, these chipsets support advanced driver assistance systems (ADAS), collision avoidance, adaptive cruise control, parking assistance, and autonomous driving technologies.

Introduction : Automotive radar market is shifting towards highly integrated SoCs, 4D imaging and 76 to 81 GHz millimeter wave frequencies. Following are the popular manufacturers of automotive radar chipsets with their notable part numbers and major features.

Texas Instruments

TI is a major player gaining global market share through its highly integrated CMOS radar SoCs.

• AWR2544 : This single chip radar on chip operates in 76 to 81 GHz band. Supports 4Tx/4Rx FMCW transceiver and houses ARM Cortex R5F MCU.

• AWR1443/AWR1243 : Operates at 77 GHz and supports 3Tx and 4Rx channels. It houses built-in PLL and A2D converters.

Infineon Technologies

Company maintains strong leadership in microcontrollers and high-performance radar MMICs (Monolithic Microwave Integrated Circuits).

• CTRX8191F : It is 28nm radar MMIC which is used for next generation 4D and high definition imaging radar. It operates from 76 to 81 GHz transceiver in 4Tx/4Rx configuration.

• BGT24AR4 : It is 24 GHz radar transceiver chip. It is Silicon Germanium Quad Receiver Radar MMIC which supports 4 separate homodyne receiver chains.

NXP Semiconductors

Company is a dominant force in RF-CMOS radar transceivers and is heavily ramping up its single chip SoC platforms

• SAF86XX series : Operates from 76 to 81 GHz and supports 4 transmitters and 4 receivers. Houses ARM Cortex M7 core and DSP processor.

• S32R45 & S32R41 : It is 16 nm dedicated imaging radar processors which supports 4D imaging radar for 360 degree surround sensing.

• TEF8102EN / TEF82xx : Operates from 76 to 81 GHz and houses integrated RFCMOS transceivers. Provides 4 GHz chirp modulation in FMCW radar, offering high output power and competitive object resolution for cascading setups

Calterah Semiconductor Technology

Calterah is rapidly emerging as a key Chinese SoC supplier, driven by domestic supply chain realignments and expanding tech capabilities.

• CAL77S344-AE / CAL77A2T4R : These are Automotive-grade mmWave Radar SoCs which operates from 76 to 81 GHz band.

Analog Devices (ADI)

• ADF5904 : 4-channel receiver for 24 GHz automotive radar

Summary

Automotive radar chipsets are critical components for modern vehicle safety and autonomous driving systems, with leading manufacturers and companies developing high performance radar solutions that enhance situational awareness, reliability and driving safety.