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IWRL6432
  • IWRL6432
  • IWRL6432
  • IWRL6432

IWRL6432

ACTIVE

Single-chip low-power 57-GHz to 64-GHz industrial mmWave radar sensor

Texas Instruments IWRL6432 Product Info

1 April 2026 3

Parameters

Type

IC

Frequency range

57 - 64 GHz

Number of receivers

3

Number of transmitters

2

ADC sampling rate (ksps)

12500

TX power (dBm)

11

Arm CPU

Arm Cortex-M4F at 160 MHz

Hardware accelerators

Radar hardware accelerator

Edge AI enabled

Edge AI Studio enabled, Yes

Interface type

CAN-FD, I2C, QSPI, SPI, UART

RAM (kByte)

1024

Operating temperature range (°C)

-40 to 105

TI functional safety category

Functional Safety-Compliant

Power supply solution

TPS628501-Q1, TPS628502-Q1

Rating

Catalog

Package

FCCSP (AMF)-102-41.6025 mm² 6.45 x 6.45

Features

  • FMCW Transceiver
    • Integrated PLL, transmitter, receiver, baseband and ADC
    • 57GHz - 64GHz coverage with 7GHz continuous bandwidth
    • 3 receive channels and 2 transmit channels
    • Range typically up to 25m
    • 11dBm typical output power per Tx
    • 11dB Typical noise figure
    • -89dBc/Hz typical phase noise at 1MHz
    • FMCW operation
    • 5MHz IF bandwidth, real-only Rx channels
    • Ultra-accurate chirp engine based on fractional-N PLL
    • Per transmitter binary phase shifter
  • Processing elements
    • Arm M4F core with single precision FPU (160MHz)
    • TI Radar Hardware Accelerator (HWA 1.2) for FFT, log magnitude, and CFAR operations (80MHz)
  • Supports multiple low-power modes
    • Idle mode and deep sleep mode
  • Power management
    • 1.8V and 3.3V IO support
    • Built-in LDO network for enhanced PSRR
    • BOM-Optimized and Power-Optimized modes
    • One or two power rails for 1.8V IO mode, two or three power rails for 3.3V IO mode
  • Built-in calibration and self-test
    • Built-in Firmware (ROM)
    • Self-Contained on chip calibration system
  • Host Interface
    • UART
    • CAN-FD
    • SPI
  • RDIF (Radar Data Interface) for raw ADC sample capture
  • Other interfaces available to user application
    • QSPI
    • I2C
    • JTAG
    • GPIOs
    • PWM Interface
  • Internal memory
    • 1MB of On-Chip RAM
    • Configurable L3 shared memory for Radar Cube
    • Data and Code RAM of (512/640/768KB)
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Hardware integrity up to SIL-2 compliant
  • FCCSP package having 12 x 12 BGA grid, 102 BGA balls; Package size: 6.45mm x 6.45mm
  • Clock source
    • 40.0MHz crystal for primary clock
    • Supports externally driven clock (Square/Sine) at 40.0MHz
    • 32kHz internal oscillator for low power operations
  • Supports temperature operating range
    • Operating junction temperature range: –40°C to 105°C
  • FMCW Transceiver
    • Integrated PLL, transmitter, receiver, baseband and ADC
    • 57GHz - 64GHz coverage with 7GHz continuous bandwidth
    • 3 receive channels and 2 transmit channels
    • Range typically up to 25m
    • 11dBm typical output power per Tx
    • 11dB Typical noise figure
    • -89dBc/Hz typical phase noise at 1MHz
    • FMCW operation
    • 5MHz IF bandwidth, real-only Rx channels
    • Ultra-accurate chirp engine based on fractional-N PLL
    • Per transmitter binary phase shifter
  • Processing elements
    • Arm M4F core with single precision FPU (160MHz)
    • TI Radar Hardware Accelerator (HWA 1.2) for FFT, log magnitude, and CFAR operations (80MHz)
  • Supports multiple low-power modes
    • Idle mode and deep sleep mode
  • Power management
    • 1.8V and 3.3V IO support
    • Built-in LDO network for enhanced PSRR
    • BOM-Optimized and Power-Optimized modes
    • One or two power rails for 1.8V IO mode, two or three power rails for 3.3V IO mode
  • Built-in calibration and self-test
    • Built-in Firmware (ROM)
    • Self-Contained on chip calibration system
  • Host Interface
    • UART
    • CAN-FD
    • SPI
  • RDIF (Radar Data Interface) for raw ADC sample capture
  • Other interfaces available to user application
    • QSPI
    • I2C
    • JTAG
    • GPIOs
    • PWM Interface
  • Internal memory
    • 1MB of On-Chip RAM
    • Configurable L3 shared memory for Radar Cube
    • Data and Code RAM of (512/640/768KB)
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Hardware integrity up to SIL-2 compliant
  • FCCSP package having 12 x 12 BGA grid, 102 BGA balls; Package size: 6.45mm x 6.45mm
  • Clock source
    • 40.0MHz crystal for primary clock
    • Supports externally driven clock (Square/Sine) at 40.0MHz
    • 32kHz internal oscillator for low power operations
  • Supports temperature operating range
    • Operating junction temperature range: –40°C to 105°C

Description

The IWRL6432 mmWave Sensor device is an integrated single chip mmWave sensor based on FMCW radar technology. The device is capable of operation in the 57GHz to 63.9GHz 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, 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 automotive 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.

IWRL6432 is specifically designed to have separate control for each of the above-mentioned power domains to control the 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 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. IWRL6432 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

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