company blog about Supply TI Automotive Radar:4D Imaging Radar,Radar Processing ECU,Satellite/Streaming Radar

Supply TI Automotive Radar:4D Imaging Radar,Radar Processing ECU,Satellite/Streaming Radar

Shenzhen Mingjiada Electronics Co., Ltd. is a specialist distributor of electronic components, offering high-quality supply services backed by extensive procurement channels and in-depth procurement expertise.

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In the technological evolution of advanced autonomous driving and connected vehicles, radar—as a core perception sensor offering all-weather, highly robust performance—is undergoing a comprehensive upgrade from traditional 3D detection to 4D imaging, centralised processing and distributed satellite architectures. With its full-stack automotive radar solutions covering RF front-ends, processing chips, system architectures and reference designs, TI has become the mainstream choice for global automotive manufacturers and Tier 1 suppliers. Its product portfolio precisely meets the perception requirements for Level 2+ to Level 4 autonomous driving, establishing core advantages across four key dimensions: high-resolution imaging, computational synergy, system lightweighting and safety compliance.

I. 4D Imaging Radar: Single-chip High Integration, Breaking Through the Limitations of 3D Perception

1. Core Technology: The Perception Leap from 3D to 4D

Traditional automotive radar only supports three-dimensional detection of distance, velocity and horizontal azimuth, with extremely weak resolution in the vertical dimension. It is unable to distinguish between road signs, bridges and ground obstacles, or between pedestrians and low-lying objects, which can easily lead to misjudgements or missed detections. TI’s 4D imaging radar adds a pitch angle (height) measurement dimension to the three-dimensional foundation, forming a high-precision four-dimensional point cloud comprising distance, velocity, horizontal angle and vertical angle. This enables the clear reconstruction of target contours, height and spatial position, achieving precise identification of ultra-small targets, parallel targets and distant targets.

2. Flagship Product: AWR2188 Single-Chip 8T8R 4D Imaging Radar Transceiver

As the core component of TI’s 4D imaging radar, the AWR2188 is the world’s first automotive-grade millimetre-wave radar chip to integrate 8 transmit and 8 receive (8TX/8RX) functions onto a single chip, completely revolutionising traditional multi-chip cascaded solutions:

RF Performance: Operating in the 76–81 GHz band, it supports a maximum continuous linear frequency modulation bandwidth of 4.5 GHz, with a range resolution of <4 cm; TX output power of 13.5 dBm, RX figure of noise of 10 dB, and a maximum detection range exceeding 350 metres, representing a 30% improvement in RF performance over traditional solutions.

Integration and Power Consumption: A single chip integrates a PLL, transceiver, baseband, ADC and high-precision linear frequency modulation engine; typical power consumption is just 2.8W. An 8×8 high-resolution array can be achieved without external cascading, significantly reducing PCB footprint, thermal management complexity and system costs.

Cascade Scalability: Supports seamless multi-chip cascading, enabling ultra-large virtual arrays of 16×16 with 2 chips, 24×24 with 3 chips, and 32×32 with 4 chips, meeting the extreme demands of autonomous driving for ultra-long-range, ultra-high-resolution point clouds.

Key Features: Supports a minimum frequency-hopping idle time of 3µs (enhancing maximum detection range) and a maximum frequency-hopping slope of 266MHz/µs (enabling rapid, high-bandwidth measurements), suitable for all scenarios including complex urban environments, motorways, and conditions such as rain, fog and snow.

3. Application Value

Accurately identifies pedestrians, cyclists, children, fallen cargo and low-lying obstacles, distinguishing between overhead road signs and ground-level targets;

Stable tracking of parallel vehicles and densely packed targets at close range under high dynamic range conditions;

Meets the stringent requirements of global safety regulations such as NCAP and FMVSS for Automatic Emergency Braking (AEB), Adaptive Cruise Control (ACC) and Blind Spot Detection (BSD).

II. Radar Processing ECU: The Central Perception Brain, Empowering AI and Real-time Processing

1. System Positioning: The Core Hub of Radar Data Processing

The Radar Processing ECU serves as the computational and decision-making core of the automotive radar system. It is responsible for receiving raw and pre-processed data from front-end sensors, performing FFT signal processing, target detection, classification, tracking, point cloud fusion and AI inference, and outputting decision signals to the ADAS domain controller or the vehicle’s central computing platform. TI offers a comprehensive range of ECU solutions, from dedicated processors and SoCs to power management, interfaces and security chips, covering three major tiers: standalone radar ECUs, ADAS fusion ECUs and central domain controllers.

2. Core Processing Chips and Solutions

(1) Dedicated Radar Processor: AM2732R

Integrating a C674x DSP and an Arm Cortex-R5F core, and equipped with radar-specific hardware accelerators (HWA), it efficiently performs fundamental processing tasks such as range/Doppler/angle FFT, CFAR detection and beamforming, thereby offloading the main processor.

It supports the ASIL B functional safety level and is adapted to the demanding automotive environment. It pairs perfectly with front-end chips such as the AWR2243 and AWR2188 to build a low-cost, high-performance standalone radar ECU.

(2) Advanced ADAS / Central Domain Controller: TDA5 Series SoC

Multi-core Arm architecture + TI C7™ NPU (Neural Network Processor), with scalable computing power ranging from 10 TOPS to 1,200 TOPS, meeting the perception and decision-making computing requirements for Level 3 autonomous driving.

A single chip integrates radar perception processing, multi-sensor fusion (radar + camera + LiDAR), AI inference, in-vehicle gateway and display control functions, supporting real-time fusion of radar point clouds and visual data to significantly improve target classification accuracy.

Compliant with ASIL D functional safety, supports multiple interfaces including Fast Ethernet, CAN FD and LVDS, and is compatible with centralised electronic/electrical architectures.

3. System Support Solutions

Power Management: Dedicated PMICs such as the LP87725-Q1 provide multi-channel linear/switching regulation, load switching and transient protection, meeting the radar chip’s wide input voltage requirements (36V, peak 42V).

Interfaces and Communication: Integrated 1Gbps Ethernet and high-speed SerDes interfaces support low-latency transmission of raw and compressed radar data; an integrated Hardware Security Module (HSM) ensures secure data transmission and storage.

Reference Designs: 4D imaging radar cascading reference designs such as TIDA-020047 provide complete hardware schematics, software algorithms and test data to accelerate customers’ mass production development.

III. Satellite / Streaming Radar: Architectural Innovation Featuring Distributed Sensing and Centralised Processing

1. Technical Definition: An Architectural Upgrade from Edge-Independent to Satellite-Cooperative Systems

Traditional radar employs an edge architecture: each radar sensor incorporates a built-in processor that independently completes all data processing, outputting only the final target results to the ECU. This approach suffers from drawbacks such as dispersed computing power, data redundancy, low fusion accuracy, high system complexity and difficulty in upgrading.

TI Satellite Radar / Streaming Radar represents the next-generation mainstream architecture:

Satellite Sensors: Lightweight radar modules (satellite heads) distributed around the vehicle body (front, rear, front-left, rear-left, front-right, rear-right) are responsible only for RF signal acquisition, ADC sampling, and basic distance FFT pre-processing; they do not execute complex algorithms.

Streaming transmission: Raw ADC data or compressed distance FFT data is streamed in real time via 1Gbps high-speed Ethernet to the central radar processing ECU or domain controller.

Centralised processing: The central ECU uniformly handles all data fusion, angle calculation, target detection, AI classification and tracking for the satellite radars, achieving collaborative optimisation of global perception data.

2. TI Core Satellite Radar Product: AWR2544LOP

Package-level integration: Utilises TI’s second-generation LOP (Launch-On-Package) antenna technology, where the chip connects directly to a 3D antenna via PCB waveguides, eliminating RF cable losses and improving the signal-to-noise ratio (SNR) by 30%, whilst avoiding the need for high-cost RF PCB materials.

Lightweight Design: Integrates a 4T4R RF front-end, radar processing accelerator and 1Gbps Ethernet interface, reducing the form factor by 40% and enabling flexible deployment in confined spaces such as rear-view mirrors, bumpers and car doors.

Functional Safety: Supports ASIL B compliance, with a built-in hardware security module to meet automotive-grade reliability and cybersecurity requirements.

3. Key Advantages

System Simplification: Satellite sensors require no complex processors, reducing costs by 30% and power consumption by 50%, whilst offering greater flexibility in installation and deployment.

Precise Perception: Centralised processing of multi-radar data eliminates errors and data conflicts associated with independent edge processing, improving point cloud fusion accuracy by 100%.

Efficient Computing Power: Centralised computing power allocation supports complex AI algorithms (such as deep learning-based object classification and dynamic scene modelling), with algorithms capable of continuous OTA upgrades.

Architectural Compatibility: Perfectly aligns with the trend towards centralised automotive EE architectures, achieving “sensor lightweighting, intelligent perception and system centralisation”.

4. Application Scenarios

Level 3 autonomous driving with 360° all-around perception without blind spots, covering all scenarios including long-range forward, medium-range lateral and short-range rear views;

Complex urban scenarios such as automated parking, valet parking, navigating narrow roads and low-speed obstacle avoidance;

Centralised domain control solutions utilising multi-sensor fusion (radar + camera + LiDAR).

IV. Core Competitive Advantages of TI’s Full-Stack Automotive Radar Solution

End-to-end coverage: From RF front-end (AWR2188/AWR2544), dedicated processors (AM2732R) and high-performance SoCs (TDA5) to power management, interfaces, reference designs and software algorithms, providing a one-stop solution.

Architectural flexibility: Supports standalone edge radar, satellite-streaming radar and hybrid architectures simultaneously, catering to all vehicle tiers from entry-level L2 to high-end L4, thereby reducing development costs and cycles for automotive manufacturers.

Performance-Cost Balance: Featuring high single-chip integration, cascading scalability and optimised LOP packaging, TI effectively controls BOM costs whilst enabling 4D imaging and satellite architectures, thereby accelerating the mass production of 4D radar.

Safety and Compliance: The entire product range complies with AEC-Q100 and ASIL B/D functional safety standards, and meets global automotive safety standards such as NCAP and UN R79.

V. Summary

TI’s automotive radar solutions push the boundaries of perception accuracy with 4D imaging radar, establish a central computing hub through radar processing ECUs, and define next-generation system architectures with satellite and streaming radar, thereby creating a full-stack technological barrier spanning hardware, software and architecture. As autonomous driving evolves to higher levels, TI’s radar solutions are becoming the core choice for global automotive manufacturers seeking all-weather, high-precision, highly reliable and low-cost intelligent perception, accelerating the transition from driver assistance to fully autonomous driving.