IWR6443

ACTIVE

Single-chip 60-GHz to 64-GHz intelligent mmWave sensor integrating MCU and hardware accelerator

Product details

Type IC Frequency range 60 - 64 GHz Number of receivers 4 Number of transmitters 3 ADC sampling rate (ksps) 25000 TX power (dBm) 12 Arm CPU Arm Cortex-R4F at 200 MHz Hardware accelerators Radar hardware accelerator Edge AI enabled Yes Interface type CAN-FD, I2C, LVDS, QSPI, SPI, UART RAM (kByte) 1472 Operating temperature range (°C) -40 to 105 Power supply solution LP87745-Q1 Rating Catalog
Type IC Frequency range 60 - 64 GHz Number of receivers 4 Number of transmitters 3 ADC sampling rate (ksps) 25000 TX power (dBm) 12 Arm CPU Arm Cortex-R4F at 200 MHz Hardware accelerators Radar hardware accelerator Edge AI enabled Yes Interface type CAN-FD, I2C, LVDS, QSPI, SPI, UART RAM (kByte) 1472 Operating temperature range (°C) -40 to 105 Power supply solution LP87745-Q1 Rating Catalog
FCCSP (ABL) 161 108.16 mm² 10.4 x 10.4
  • FMCW transceiver
    • Integrated PLL, transmitter, receiver, Baseband, and ADC
    • 60 to 64GHz coverage with 4GHz continuous bandwidth
    • Four receive channels
    • Three transmit channels
    • Supports 6-bit phase shifter for TX Beam forming
    • Ultra-accurate chirp engine based on fractional-N PLL
    • TX power: 12dBm
    • RX noise figure:
      • 12dB
    • Phase noise at 1MHz:
      • –93dBc/Hz
  • Built-in calibration and self-test
    • Arm Cortex-R4F-based radio control system
    • Built-in firmware (ROM)
    • Self-calibrating system across process and temperature
    • Embedded self-monitoring with no host processor involvement on Functional Safety-Compliant devices
  • C674x DSP for advanced signal processing (IWR6843 only)
  • Hardware accelerator for FFT, filtering, and CFAR processing
  • Memory compression
  • Arm-R4F microcontroller for object detection, and interface control
    • Supports autonomous mode (loading user application from QSPI flash memory)
  • Internal memory with ECC
    • IWR6843: 1.75MB, divided into MSS program RAM (512KB), MSS data RAM (192KB), DSP L1 RAM (64KB) and L2 RAM (256KB), and L3 radar data cube RAM (768KB)
    • IWR6443: 1.4MB, divided into MSS program RAM (512KB), MSS data RAM (192KB), and L3 radar data cube RAM (768KB)
    • Technical reference manual includes allowed size modifications
  • Other interfaces available to user application
    • Up to 6 ADC channels (low sample rate monitoring)
    • Up to 2 SPI ports
    • Up to 2 UARTs
    • 1 CAN-FD interface
    • I2C
    • GPIOs
    • 2 lane LVDS interface for raw ADC data and debug instrumentation
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation available to aid IEC 61508 functional safety system design up to SIL 3
    • Hardware integrity up to SIL-2
    • Safety-related certification
      • IEC 61508 certified upto SIL 2 by TUV SUD
  • Non-Functional safety variants also available
  • Power management
    • Built-in LDO network for enhanced PSRR
    • I/Os support dual voltage 3.3V/1.8V
  • Clock source
    • 40.0MHz crystal with internal oscillator
    • Supports external oscillator at 40MHz
    • Supports externally driven clock (square/sine) at 40MHz
  • Easy hardware design
    • 0.65mm pitch, 161-pin 10.4mm × 10.4mm flip chip BGA package for easy assembly and low-cost PCB design
    • Small solution size
  • Operating conditions
    • Junction temp range: –40°C to 105°C
  • FMCW transceiver
    • Integrated PLL, transmitter, receiver, Baseband, and ADC
    • 60 to 64GHz coverage with 4GHz continuous bandwidth
    • Four receive channels
    • Three transmit channels
    • Supports 6-bit phase shifter for TX Beam forming
    • Ultra-accurate chirp engine based on fractional-N PLL
    • TX power: 12dBm
    • RX noise figure:
      • 12dB
    • Phase noise at 1MHz:
      • –93dBc/Hz
  • Built-in calibration and self-test
    • Arm Cortex-R4F-based radio control system
    • Built-in firmware (ROM)
    • Self-calibrating system across process and temperature
    • Embedded self-monitoring with no host processor involvement on Functional Safety-Compliant devices
  • C674x DSP for advanced signal processing (IWR6843 only)
  • Hardware accelerator for FFT, filtering, and CFAR processing
  • Memory compression
  • Arm-R4F microcontroller for object detection, and interface control
    • Supports autonomous mode (loading user application from QSPI flash memory)
  • Internal memory with ECC
    • IWR6843: 1.75MB, divided into MSS program RAM (512KB), MSS data RAM (192KB), DSP L1 RAM (64KB) and L2 RAM (256KB), and L3 radar data cube RAM (768KB)
    • IWR6443: 1.4MB, divided into MSS program RAM (512KB), MSS data RAM (192KB), and L3 radar data cube RAM (768KB)
    • Technical reference manual includes allowed size modifications
  • Other interfaces available to user application
    • Up to 6 ADC channels (low sample rate monitoring)
    • Up to 2 SPI ports
    • Up to 2 UARTs
    • 1 CAN-FD interface
    • I2C
    • GPIOs
    • 2 lane LVDS interface for raw ADC data and debug instrumentation
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation available to aid IEC 61508 functional safety system design up to SIL 3
    • Hardware integrity up to SIL-2
    • Safety-related certification
      • IEC 61508 certified upto SIL 2 by TUV SUD
  • Non-Functional safety variants also available
  • Power management
    • Built-in LDO network for enhanced PSRR
    • I/Os support dual voltage 3.3V/1.8V
  • Clock source
    • 40.0MHz crystal with internal oscillator
    • Supports external oscillator at 40MHz
    • Supports externally driven clock (square/sine) at 40MHz
  • Easy hardware design
    • 0.65mm pitch, 161-pin 10.4mm × 10.4mm flip chip BGA package for easy assembly and low-cost PCB design
    • Small solution size
  • Operating conditions
    • Junction temp range: –40°C to 105°C

The IWR6x43 device is an integrated single chip mmWave sensor based on FMCW radar technology capable of operation in the 60GHz to 64GHz band. It is built with TI’s low power 45nm RFCMOS process and enables unprecedented levels of integration in an extremely small form factor. This device is an ideal solution for low power, self-monitored, ultra-accurate radar systems in the industrial space. Multiple variants are currently available including Functional Safety-Compliant devices and non-functional safety devices.

The IWR6x43 device is an integrated single chip mmWave sensor based on FMCW radar technology capable of operation in the 60GHz to 64GHz band. It is built with TI’s low power 45nm RFCMOS process and enables unprecedented levels of integration in an extremely small form factor. This device is an ideal solution for low power, self-monitored, ultra-accurate radar systems in the industrial space. Multiple variants are currently available including Functional Safety-Compliant devices and non-functional safety devices.

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More information

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet IWR6843, IWR6443 Single-Chip 60 to 64GHz mmWave Sensor datasheet (Rev. F) PDF | HTML 30 Apr 2025
* Errata IWR6843, IWR6443 Device Errata, Silicon Revisions 1.0 and 2.0 (Rev. D) 12 Dec 2022
* User guide IWR14xx/16xx/18xx/68xx/64xx Industrial Radar Family Technical Reference Manual (Rev. E) 08 Jun 2020
Application note Flash Variants Supported by the mmWave Sensor (Rev. G) PDF | HTML 17 Dec 2024
Application note Flash Variants Supported by the mmWave Sensor (Rev. E) PDF | HTML 24 Jan 2024
Technical article Proximity Sensing’s Role in Enabling Emerging Markets PDF | HTML 04 Jan 2024
Technical article 近距感測在新興市場中所扮演的角色 PDF | HTML 04 Jan 2024
Technical article 신흥 시장 활성화에 있어서 근접 감지의 역할 PDF | HTML 04 Jan 2024
Analog Design Journal mmWave 레이더 센서를 이용해 가정에서 사용할 수 있는 다중 환자 비접촉식 생명 징후 센서 구축 PDF | HTML 03 May 2023
Analog Design Journal 以 mmWave 雷達感測器打造適合居家使用的多患者非接觸式生命跡象感測器 PDF | HTML 03 May 2023
Analog Design Journal Building a multipatient contactless vital signs sensor for at-home use with mmWa PDF | HTML 13 Mar 2023
Application brief Best Practices for Placement and Angle of mmWave Radar Devices PDF | HTML 27 Jan 2023
Application note Self-Calibration of mmWave Radar Devices (Rev. C) PDF | HTML 11 Jan 2023
Application note Migrating to xWR68xx and xWR18xx Millimeter Wave Sensors (Rev. C) PDF | HTML 12 Oct 2022
Application note Interference Mitigation For AWR/IWR Devices (Rev. A) PDF | HTML 22 Sep 2022
EVM User's guide 60GHz mmWave Sensor EVMs (Rev. E) PDF | HTML 06 May 2022
Application note TI mmWave Radar Device Regulatory Compliance Overview (Rev. C) PDF | HTML 14 Dec 2021
Application note mmWave Radar Radome Design Guide PDF | HTML 17 Aug 2021
Application note mmWave Radar Sensors: Object Versus Range (Rev. A) 10 May 2021
Application note mmWave Production Testing Overview PDF | HTML 10 Apr 2021
Application note Power Management Optimizations - Low Cost LC Filter Solution (Rev. A) PDF | HTML 11 Nov 2020
White paper The fundamentals of millimeter wave radar sensors (Rev. A) 27 Aug 2020
White paper mmWave radar sensors in robotics applications (Rev. A) 22 Jun 2020
Application note Programming Chirp Parameters in TI Radar Devices (Rev. A) 13 Feb 2020
Application note Memory Compression and Decompression Engine for TI mmwave Radar 02 Dec 2019
Application note How to select the right proximity sensor technology 19 Jul 2019
User guide MMWAVEICBOOST Quick Start Guide 06 May 2019
White paper Bringing intelligent autonomy to fine motion detection (Rev. A) 20 Dec 2018
Application note mmWave xWR1xxx/xWR6xxx Bootloader Flow 23 Oct 2018
Application note mmwave Radar Device ADC Raw Data Capture (Rev. B) 23 Oct 2018
White paper Leveraging the 60-GHz RF band to enable accurate mmWave sensing 19 Oct 2018
Application note MIMO Radar (Rev. A) 26 Jul 2018
Application note Watchdog Timer for mmwave Radar Sensors (Rev. A) 08 Jun 2018
White paper mmWave radar: Enabling greater intelligent autonomy at the edge 06 Jun 2018
White paper Robust traffic and intersection monitoring using millimeter wave sensors (Rev. B) 17 May 2018
Application note TI mmWave Radar sensor RF PCB Design, Manufacturing and Validation Guide 07 May 2018
Application note Adding CAN-FD Tx and Rx to an Existing mmWave Project 12 Apr 2018
User guide Radar Hardware Accelerator User's Guide - Part 2 (Rev. A) 13 Mar 2018
Application note Adding Flash Read and Write to an Existing mmWave Project 25 Sep 2017
White paper Cities grow smarter through innovative semiconductor technologies 07 Jul 2017
White paper Using a complex-baseband architecture in FMCW radar systems 17 Apr 2017

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

DCA1000EVM — DCA1000 evaluation module for real-time data capture and streaming

The DCA1000 evaluation module (EVM) provides real-time data capture and streaming for two- and four-lane low-voltage differential signaling (LVDS) traffic from TI AWR and IWR radar sensor EVMs. The data can be streamed out via 1-Gbps Ethernet in real time to a PC running the MMWAVE-STUDIO tool for (...)

User guide: PDF
Not available on TI.com
Evaluation board

IWR6843ISK — IWR6843 evaluation module for single-chip 60GHz long-range antenna mmWave sensor

IWR6843ISK is an easy-to-use 60 GHz mmWave sensor evaluation kit based on IWR6843 device with long-range antenna. The IWR6843ISK may be used to evaluate the IWR6843 and IWR6443 devices. This board enables access to point-cloud data and power over USB interface.

This kit is supported by mmWave tools (...)

User guide: PDF | HTML
Not available on TI.com
Evaluation board

IWR6843ISK-ODS — IWR6843 evaluation module for single-chip 60GHz overhead detection antenna mmWave sensor

IWR6843ISK-ODS is an easy-to-use 60 GHz mmWave sensor evaluation kit based on IWR6843 device with wide field-of-view antenna. The IWR6843ISK-ODS may be used to evaluate the IWR6843 and IWR6443 devices. This board enables access to point-cloud data and power over USB interface.

This kit is supported (...)

User guide: PDF | HTML
Not available on TI.com
Evaluation board

MMWAVEICBOOST — mmWave sensors carrier card platform

The MMWAVEICBOOST carrier card expands capabilities of select 60 GHz mmWave evaluation modules. This board provides advanced software developement, debug features such as trace and single step via TI’s Code Composers compatible debuggers. On-board Launchpad interface enables pairing with (...)

User guide: PDF | HTML
Not available on TI.com
Debug probe

TMDSEMU110-U — XDS110 JTAG Debug Probe

The Texas Instruments XDS110 is a new class of debug probe (emulator) for TI embedded processors. The XDS110 replaces the XDS100 family while supporting a wider variety of standards (IEEE1149.1, IEEE1149.7, SWD) in a single pod. Also, all XDS debug probes support Core and System Trace in all (...)

User guide: PDF
Not available on TI.com
Debug probe

TMDSEMU200-U — XDS200 USB Debug Probe

The XDS200 is a debug probe (emulator) used for debugging TI embedded devices. For the majority of devices it is recommended to use the newer, lower cost XDS110 (www.ti.com/tool/TMDSEMU110-U). The XDS200 supports a wide variety of standards (IEEE1149.1, IEEE1149.7, SWD) in a single pod. All XDS (...)

Not available on TI.com
Debug probe

TMDSEMU560V2STM-U — XDS560™ software v2 system trace USB debug probe

The XDS560v2 is the highest performance of the XDS560™ family of debug probes and supports both the traditional JTAG standard (IEEE1149.1) and cJTAG (IEEE1149.7).  Note that it does not support serial wire debug (SWD).

All XDS debug probes support Core and System Trace in all ARM and DSP processors (...)

Not available on TI.com
Debug probe

TMDSEMU560V2STM-UE — XDS560v2 System Trace USB & Ethernet Debug Probe

The XDS560v2 is the highest performance of the XDS560™ family of debug probes and supports both the traditional JTAG standard (IEEE1149.1) and cJTAG (IEEE1149.7). Note that it does not support serial wire debug (SWD).

All XDS debug probes support Core and System Trace in all ARM and DSP processors (...)

Not available on TI.com
Debug probe

TMDSEMUPROTRACE — XDS560v2 PRO TRACE Receiver & Debug Probe

Important: The XDS560v2 PRO TRACE Receiver is a legacy product that supports pin trace for TI processors. For new devices it is recommended to use a third party trace receiver.

The XDS560v2 PRO TRACE Receiver supports the same features as the XDS560v2 System Trace family (USB version, USB & (...)

Not available on TI.com
Hardware programming tool

HS-3P-77-3D-WGA-LOP-4X4 — Antenna design for ADAS radar sensors from HUBER+SUHNER

77GHz 3D waveguide antenna 4Tx4R - RF substrate independent solution family

HUBER+SUHNER has developed and manufactures a second-generation 3D metallized plastic waveguide antenna designed for RF substrate-independent solutions. This cutting-edge technology, enabled by proprietary interfaces, (...)

Third-party accessory

GAPW-3P-ANTENNA — Antenna design for ADAS radar sensors from GapWaves

Gapwaves offers high-performance, low-loss, and cost-efficient waveguide antennas for short-, mid- and long-range automotive radars and industrial applications. Our antennas feature a flexible design and a compact form factor, robust contact-free PCB integration and support contact-free LoP (...)

From: Gapwaves
Software development kit (SDK)

MMWAVE-SDK mmWave software development kit (SDK)

The mmWave software development kit (SDK) is a collection of software packages to enable application evaluation and development on TI mmWave sensors. This tool includes the MMWAVE-SDK and companion packages to support your design needs.

The MMWAVE-SDK is a unified software platform for the TI (...)

Supported products & hardware

Supported products & hardware

Launch Download options
Getting started

TI-DEVELOPER-ZONE Start embedded development on your desktop or in the cloud

From evaluation to deployment the TI Developer Zone provides a comprehensive range of software, tools and training to ensure that you have everything you need for each stage of the development process.
Supported products & hardware

Supported products & hardware

IDE, configuration, compiler or debugger

CCSTUDIO Code Composer Studio™ integrated development environment (IDE)

Code Composer Studio is an integrated development environment (IDE) for TI's microcontrollers and processors. It is comprised of a rich suite of tools used to build, debug, analyze and optimize embedded applications. Code Composer Studio is available across Windows®, Linux® and macOS® platforms.

(...)

Supported products & hardware

Supported products & hardware

Launch Download options
IDE, configuration, compiler or debugger

MMWAVE-STUDIO mmWave studio GUI tools for 1st-generation parts (xWR1243, xWR1443, xWR1642, xWR1843, xWR6843, xWR6443)

MMWAVE-STUDIO is a stand-alone Windows® GUI that provides the ability to configure and control mmWave sensor modules and collect analog-to-digital (ADC) data for offline analysis. ADC data capture is intended to enable evaluation and characterization of radio-frequency (RF) performance, (...)

Supported products & hardware

Supported products & hardware

Download options
IDE, configuration, compiler or debugger

MMWAVE-STUDIO-2G mmWave studio GUI tools for 2nd-generation parts (xWR2243)

MMWAVE-STUDIO is a stand-alone Windows® GUI that provides the ability to configure and control mmWave sensor modules and collect analog-to-digital (ADC) data for offline analysis. ADC data capture is intended to enable evaluation and characterization of radio-frequency (RF) performance, (...)

Supported products & hardware

Supported products & hardware

Download options
IDE, configuration, compiler or debugger

SYSCONFIG Standalone desktop version of SysConfig

SysConfig is a configuration tool designed to simplify hardware and software configuration challenges to accelerate software development.

SysConfig is available as part of the Code Composer Studio™ integrated development environment as well as a standalone application. Additionally SysConfig (...)

Supported products & hardware

Supported products & hardware

Launch Download options
Online training

RADAR-ACADEMY mmWave Radar Academy

The Radar Academy is a documentation package intended to provide educational resources related to mmWave radar technology
Supported products & hardware

Supported products & hardware

Software programming tool

UNIFLASH CCStudio UniFlash for most TI microcontrollers (MCUs) and mmWave sensors

UniFlash is a software tool for programming on-chip flash on TI microcontrollers and wireless connectivity devices and on-board flash for TI processors. UniFlash provides both graphical and command-line interfaces.

UniFlash can be run from the cloud on the TI Developer Zone or downloaded and used (...)

Supported products & hardware

Supported products & hardware

Launch Download options
Support software

MATHW-3P-MMWAVE-RADAR — MathWorks MATLAB Radar Toolbox and Support Package for mmWave sensors

Radar Toolbox Support Package for mmWave Radar Sensors:  Connect, configure, and acquire radar data from Texas Instruments mmWave Sensor evaluation boards.  The support package can be used to obtain the real radar data and use it with the capabilities in Radar and Sensor Fusion and (...)
Support software

RADAR-TOOLBOX Radar evaluation and development support package with example projects, documentation and tools

The Radar Toolbox is a collection of demos, software tools, and documentation designed to assist in the evaluation of TI Radar Devices
Supported products & hardware

Supported products & hardware

Browse Download options
Simulation model

AWR6843, IWR6843, AWR6443, IWR6443 BSDL Model

SPRM805.ZIP (274 KB) - BSDL Model
Simulation model

xWR6x43 IBIS Model

SWRM046.ZIP (2352 KB) - IBIS Model
Design tool

MMWAVE-3P-SEARCH — mmWave radar sensors third-party search tool

TI has partnered with companies to offer a wide range of solutions using TI mmWave radar sensors and related services. These companies can accelerate your path to production using mmWave radar. Download this search tool to quickly browse our third-party solutions and find the right third-party to (...)
Package Pins CAD symbols, footprints & 3D models
FCCSP (ABL) 161 Ultra Librarian

Ordering & quality

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  • MSL rating/Peak reflow
  • MTBF/FIT estimates
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  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

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