STMicroelectronics Developed New Ultra-Wideband ICs
The new ST64UWB chip family utilizes 18 nm FD-SOI technology to enable secure ranging and radar sensing applications.
Updated on Sept. 30, 2026 in Semiconductors
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STMicroelectronics has unveiled the ST64UWB family of ultra-wideband integrated circuits, designed for secure hands-free access and sensing. The new lineup includes three distinct models featuring an integrated Arm Cortex-M85 processor.
Why it matters
This technology provides enhanced secure ranging and radar sensing capabilities for automotive and industrial systems. By leveraging narrowband-assisted radio, the chips extend operating ranges by up to eight times.
The devices are manufactured using 18 nm FD-SOI technology and housed in a 6 x 6 mm HWQFN40 package. Processor speeds reach 100 MHz for the A100 and C100 models, while the A500 features a 256 MHz clock speed.
The players
STMicroelectronics
This is a global semiconductor company that designs, develops, and manufactures a wide range of integrated circuits and sensor products.
Arm
This British company provides the semiconductor intellectual property and architecture used for the Cortex-M85 processors found in the new chips.
The details
The ST64UWB family includes the A100, A500, and C100 devices, which support UWB channels 5, 6, 8, 9, 10, and 12. The series also includes an integrated secure enclave to ensure data integrity, with the automotive-grade models meeting AEC-Q100 Grade 2 qualifications.
Timeline
September 30, 2026: The ST64UWB product family was announced.
The Tech Race
The integration of the Arm Cortex-M85 processor into this chip family reflects an industry-wide move toward packing high-performance compute into specialized ultra-wideband hardware. This development signals a shift away from basic connectivity toward chips capable of complex on-device processing and radar analysis.
Future automotive and consumer devices using these chips will benefit from more reliable hands-free access and precise sensing features. These improvements will allow for smoother interaction with smart locks and vehicle security systems without requiring frequent proximity adjustments.
The takeaway
The move to 18 nm FD-SOI technology allows manufacturers to pack more sensing power into smaller footprints for battery-constrained devices. This trend indicates that ultra-wideband technology is evolving beyond simple location tracking into a robust platform for complex environmental awareness.
Further reading
Learn more about the latest innovations in the Semiconductors industry.
Source note: This article includes information reported by Everythingrf.
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