RASIC CTRX8188F from Infineon Technologies AG - new radar chip enters volume production

Reviewed: ad hoc news B2B & Pro desk. Edited and checked on 2026-06-26, 06:07. Details in the imprint.

RASIC CTRX8188F from Infineon Technologies AG is the kind of chip you never see, yet it quietly shapes how tomorrow's cars feel on the road. Picture a dense evening drizzle, wipers ticking, and the car still confidently tracking a motorbike in your blind spot thanks to high-resolution 77 GHz radar.

What this radar chip does

Infineon presents the RASIC CTRX8188F as a highly integrated 77 GHz radar transceiver tailored for central radar architectures where multiple sensor modules feed a single powerful domain controller. The chip handles transmit and receive channels in one compact package and is designed for short, mid and long-range radar use in passenger vehicles.

In practice that means a single platform can cover front long-range radar for adaptive cruise, corner modules for blind spot and cross-traffic alerts, and side radars for lane-change support, all using a common RF front-end design. Engineers can reuse layout and calibration strategies, trimming development time and easing scaling across vehicle segments from compact EVs to large SUVs.

Designed for central architectures

Where older radar systems often processed data locally in each sensor, the CTRX8188F focuses on pushing clean, calibrated RF signals into a central compute node over high-speed links. That fits the trend Markus Schäfer, a senior system architect at one German OEM, likes to describe as "moving intelligence into the vehicle brain" so raw sensor data can be fused across cameras, lidar and radar.

For OEMs this centralisation can cut hardware redundancy and allows more sophisticated perception algorithms to run on powerful SoCs or dedicated accelerators. It also helps future over-the-air updates, because behaviour tweaks live in software rather than in dozens of separate sensor ECUs scattered around the car.

Specs and everyday feel

On the bench, RF engineers talk less about looks and more about things like phase noise, channel isolation and linearity. Yet even there the CTRX8188F makes an impression: carefully routed demo boards, a tidy metallic RF can and a row of coax connectors invite methodical probing with a spectrum analyser.

Behind those lab details is a pragmatic goal. Stable RF behaviour means fewer unpleasant surprises when a car drives past reflective metal fences or in heavy rain, where multipath reflections can confuse less robust radar implementations. It also helps maintain consistent detection performance over years of operation, an important factor for safety-oriented Tier 1 suppliers.

How it fits Infineon's wider radar line

Infineon has spent years building a broad radar portfolio for automotive and industrial use, and the CTRX8188F extends that line into the hub-and-spoke architecture many carmakers are adopting. The company already offers radar front-end chips and MCUs, so adding a central-ready transceiver rounds out the stack for system-level designs.

That system view matters because OEMs rarely buy a single chip in isolation. They want matching reference designs, software drivers and safety documentation to cover functional safety standards such as ISO 26262. Combining RF front-end, analogue blocks and digital control inside one family lets Infineon offer those ingredients with consistent tooling and documentation.

Target customers in the B2B world

RASIC CTRX8188F is firmly a B2B part: its direct customers are Tier 1 suppliers who design radar modules and domain controllers, plus some OEMs with in-house radar teams. A typical programme might start with evaluation boards on a lab bench, then move to mule vehicles with taped-on sensor pods and data-loggers humming in the trunk.

Engineers will care about how easily the chip integrates into their existing RF stack, whether phase-locked loops lock quickly on temperature ramps, and how predictable yield looks over large wafer lots. Procurement teams, in turn, will look at long-term supply commitments, volume pricing and second-source strategies in case programmes stretch over a decade.

Launch timing and production ramp

The public note that Infineon began production of the RASIC CTRX8188F in late June 2026 signals that engineering sampling is giving way to volume-ready wafers. That transition matters for car programmes, because only devices from stable production lines typically qualify for high-volume vehicle platforms with multi-year lifecycles.

For radar-heavy models such as premium EVs with advanced driving assistance, that timing means the chip can still be designed into platforms targeting the second half of the decade. It gives OEMs who standardise on Infineon radar silicon another option as they flesh out centralised architectures in parallel with zone controllers and high-speed networking.

Stock context and trading venue

All told, the RASIC CTRX8188F is a specialist building block rather than a consumer headline product, yet it aligns neatly with Infineon's push into automotive semiconductors and complex system solutions. Infineon Technologies shares (ISIN DE0006231004) trade on Xetra, with recent prices reported in euros based on late-June sessions.

This article was AI-assisted and editorially reviewed. Product information without guarantee; prices and availability may change at short notice. No investment advice, no buy or sell recommendation. Stock-market transactions involve risks up to total loss.

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