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IWR6443
  • IWR6443
  • IWR6443

IWR6443

ACTIVE

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

Texas Instruments IWR6443 Product Info

1 April 2026 0

Parameters

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

Package

FCCSP (ABL)-161-108.16 mm² 10.4 x 10.4

Features

  • 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

Description

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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