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IWRL6432AOP
  • IWRL6432AOP

IWRL6432AOP

ACTIVE

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

Texas Instruments IWRL6432AOP Product Info

1 April 2026 5

Parameters

Type

IC

Frequency range

57 - 63.5 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

Power supply solution

TPS628502-Q1

Rating

Catalog

Package

FCCSP (AMY)-101-73.03 mm² 6.7 x 10.9

Features

  • FMCW Transceiver
    • Integrated PLL, transmitter, receiver, baseband and ADC
    • 57GHz to 63.5GHz coverage with 6.5GHz continuous bandwidth
    • Range typically up to 20m
    • FMCW operation
    • 5MHz IF bandwidth, real-only Rx channels
    • Ultra-accurate chirp engine based on fractional-N PLL
  • Integrated 3 receive channels and 2 transmit channels Antennas-On-Package (AOP)
  • 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
    • 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)
  • Easy hardware design
    • 0.5mm pitch, 101-BGA 10.9mm× 6.7mm AMY package for easy assembly and low-cost PCB design
    • Small size
  • 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 to 63.5GHz coverage with 6.5GHz continuous bandwidth
    • Range typically up to 20m
    • FMCW operation
    • 5MHz IF bandwidth, real-only Rx channels
    • Ultra-accurate chirp engine based on fractional-N PLL
  • Integrated 3 receive channels and 2 transmit channels Antennas-On-Package (AOP)
  • 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
    • 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)
  • Easy hardware design
    • 0.5mm pitch, 101-BGA 10.9mm× 6.7mm AMY package for easy assembly and low-cost PCB design
    • Small size
  • 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 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

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