IWR1443 is a single-chip 76GHz to 81GHz mmWave sensor with integrated MCU and hardware accelerator

The IWR1443 device is an integrated single-chip mmWave sensor based on FMCW radar technology capable of operating in the 76 to 81 GHz frequency band with continuous chirp up to 4 GHz. Fabricated on TI's low-power 45-nm RFCMOS process, the solution enables unprecedented levels of integration in a very small form factor. The IWR1443 is an ideal solution for low-power, self-monitoring, ultra-accurate radar systems in industrial applications such as building automation, factory automation, drones, material handling, traffic monitoring and surveillance.

The IWR1443 device is a standalone AOZ1033AI single-chip solution that simplifies the implementation of mmWave sensors in the 76 to 81 GHz frequency band. The IWR1443 includes a monolithic implementation of a 3TX, 4RX system with built-in PLL and A2D converter. The device includes fully configurable hardware accelerators that support sophisticated FFT and CFAR detection. In addition, the device includes two ARM R4F-based processor subsystems: one processor subsystem is used for main control, as well as other algorithms; the second processor subsystem is responsible for front-end configuration, control, and calibration. Simple programming model changes enable multiple sensor implementations, with the potential to dynamically reconfigure to implement multimodal sensors. Additionally, the device is offered as a complete platform solution including reference hardware designs, software drivers, example configurations, API guides, training and user documentation.

characteristic:

●FMCW transceiver

○Integrated PLL, transmitter, receiver, baseband and A2D

○76 to 81 GHz coverage and 4 GHz continuous bandwidth

○ Four receiving channels

○Three transmit channels (two can be used at the same time)

○ Fractional-N PLL-based ultra-precise chirp engine

○ Transmit power: 12 dBm

○RX noise figure:

14 dB (76 to 77 GHz)

15 dB (77 to 81 GHz)

○ Phase noise at 1 MHz:

◆–95 dBc/Hz (76 to 77 GHz)

◆–93 dBc/Hz (77 to 81 GHz)

●Built-in calibration and self-test

○ ARM ? Cortex ? -R4F based radio control system

○Built-in firmware (ROM)

○ Self-calibrating system across frequency and temperature

● On-chip programmable core for embedded user applications

○ Integrated Cortex™-R4F microcontroller with a clock frequency of 200 MHz

○ On-chip bootloader supports autonomous mode (loading user application from QSPI flash)

○Integrated peripherals

◆Internal memory with ECC

◆Radar hardware accelerator (FFT, log magnitude calculation, etc.)

◆Integrated timers (watchdog and up to four 32-bit or two 64-bit timers)

◆I2C (support master-slave mode)

◆Two SPI ports

◆CAN port

◆Up to 6 general purpose ADC ports

●High-speed data interface supporting distributed applications

●Host interface

○Control interface with external processor via SPI

○Data interface with external processor via MIPI D-PHY and CSI2 V1.1

○ Failure report interruption

●IWR1443 advanced functions

○ Embedded self-monitoring that does not involve the host processor

○ Complex baseband architecture

○ Embedded interference detection capability

●Energy management

○Built-in LDO network for enhanced PSRR

○I/O supports dual voltage 3.3 V/1.8 V

●Clock source

○Support 40 MHz external oscillator

○Support 40 MHz external drive clock (square wave/sine wave)

●Simple hardware design

○0.65mm pitch, 161-pin, 10.4mm × 10.4mm flip-chip BGA package for easy assembly and low-cost PCB design

○Solution size is small

●Operating conditions

○ Junction temperature range: –40°C to 105°C

parameter:

Frequency: 76 - 81 GHz

Number of receivers: 4

Number of transmitters: 3

ADC sample rate (MSPS): 37.5

Transmit Power (dBm): 12

ARM CPU: ARM R4F @ 200MHz

Coprocessor: Radar Hardware Accelerator

Memory (KB): 576

Interface Type: CAN, CSI-2, I2C, LVDS, QSPI, SPI, UART

Operating temperature range (°C): -40 to 105