Single-chip low-power 57GHz to 63.5GHz industrial mmWave radar sensor with integrated antenna

The

IWRL6432AOP mmWave Sensor device is an Antenna-on-Package (AOP) device that is an

evolution within integrated single chip mmWave sensors that simplifies the board

design. The device is based on FMCW radar technology. The device is capable of

operation in the 57GHz to 63.5GHz band and is partitioned into mainly four power

domains:

* RF/Analog Sub-System:

This block includes all the RF and Analog components required to transmit

and receive the RF signals.

* Front-End Controller

sub-System (FECSS): FECSS contains processor ARM Cortex M3,

responsible for radar front-end configuration, control, and

calibration.

* Application Sub-System

(APPSS): APPSS is where the device implements a user programmable

ARM Cortex M4 allowing for custom control and interface applications. Top

Sub-System (TOPSS) is part of the APPSS power domain and contains the

clocking and power management sub-blocks.

* Hardware Accelerator

(HWA): HWA block supplements the APPSS by offloading common radar

processing such as FFT, Constant False Alarm rate (CFAR), scaling, and

compression.

IWRL6432AOP is specifically designed to have separate control for each of the

above-mentioned power domains to control states (power ON or OFF) based on use case

requirements. The device also features the capability to exercise various low-power

states like sleep and deep sleep, where low-power sleep mode is achieved by clock

gating and by turning off some of the internal IP blocks of the device. The device

also provides the option of keeping some contents of the device, like Application

image or RF profile retained in such scenarios.

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.

IWRL6432AOP is designed for low power, self-monitored, ultra-accurate radar systems

in the industrial (and personal electronics) space for applications such as

building/factory automation, commercial/residential security, personal electronics,

presence/motion detection, and gesture detection/recognition for human machine

interfaces