The AWRL684x mmWave Sensor device is TI’s low power and Hardware Security Module (HSM) enabled integrated single chip mmWave sensor based on FMCW radar technology. The device is capable of operation in the 57GHz to 63.9GHz band with 7GHz continuous chirp bandwidth and is designed for various automotive in-cabin use cases. The device also takes advantage of a low power architecture to enable power-constrained applications. The device is split into the following four switchable power domains:
The AWRL684x is specifically designed to be able to dynamically control the power states of the above-mentioned power domains based on application requirements. The device also features various low-power states and that are achieved by turning off internal IP blocks of the device. AWRL684x device also provides the option of retaining memory during these low power states to retain critical information such as application image and RF profiles across different power modes.
A Hardware Security Module (HSM) is also provisioned in the device (available with secure part variants). The HSM consists of a programmable Arm Cortex-M4 core and the necessary infrastructure to provide a secure zone of operation within the device.
Additionally, the device is built with TI’s low power 45nm RF CMOS process and enables unprecedented levels of integration in an extremely small form factor. AWRL684x is designed for low power, self-monitored, ultra-accurate radar systems in the automotive space for applications like child presence detection, occupancy localization & classification and low power intrusion monitoring.
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| Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | AWRL6843/AWRL6844 Single-Chip 57 to 64GHz Automotive Radar Sensor datasheet (Rev. A) | PDF | HTML | 16 Dec 2025 |
| * | Errata | AWRL6843/AWRL6844 Device Errata (Rev. A) | PDF | HTML | 15 Dec 2025 |
| * | User guide | xWRL68xx Technical Reference Manual (Rev. A) | 07 Jan 2026 | |
| Application note | Calibrations in TI Low-Power mmWave Radar Sensors (Rev. B) | PDF | HTML | 03 Feb 2025 | |
| Technical article | 利用單晶片 60GHz mmWave 雷達感測器，減少車艙內感測的複雜性與成本 | PDF | HTML | 31 Dec 2024 | |
| Technical article | 싱글 칩 60GHz 밀리미터파 레이더 센서를 통해 실내 감지 복잡성 및 비용 절감 | PDF | HTML | 31 Dec 2024 | |
| Technical article | Reducing in-cabin sensing complexity and cost with a single-chip 60GHz mmWave radar sensor | PDF | HTML | 19 Dec 2024 |
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| FCCSP (ANC) | 207 | Ultra Librarian |
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mmWaveStudio GUI is designed to characterize and evaluate TI mmWave sensor devices. This package includes the GUI, associated tools and firmware for the performance evaluation of TI mmWave sensor devices. For more information please refer to the mmWaveStudio user guide and release notes. mmWaveStudio 4.3 is designed to support TI 3rd generation low power devices like xWRL68xx. The mmWave DFP APIs for these devices are brand new and this version of mmWaveStudio supports only these 3rd generation device APIs.
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