TI AWR1843 77－79GHz FMCW雷达传感器解决方案
TI公司的AWR1843是77-79GHz调频连续波(FMCW)雷达传感器,采用TI低功耗45nm RFCMOS工艺制造,具有非常高的集成度和非常小形状系统,工作频段76-81GHz.器件集成了DSP子系统,包含了用于雷达信号处理的高性能的C674x DSP.器件还包括BIST子系统,以进行无线电配置,控制和校准,以及基于用户可编程ARM R4F的汽车接口.具有四个接收通路,三个发送通路,基于分数N PLL的超精度啁啾引擎,TX功率12dBm,RX噪音(76-77GHz) 14dB,主要用在盲区检测,变道辅助系统,路口交通警报,停车辅助系统,占用检测以及简单手势识别和车门开启器应用.本文介绍了AWR1843主要特性,框图,处理器子系统框图,参考电路图以及评估模块AWR1843BOOST主要特性和电路图.
The AWR1843 device is an integrated single-chip FMCW radar sensor capable of operation in the 76- to81-GHz band. The device is built with TI’s low-power 45-nm RFCMOS process and enablesunprecedented levels of integration in an extremely small form factor. The AWR1843 is an ideal solutionfor low-power, self-monitored, ultra-accurate radar systems in the automotive space.
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