SWRS350 December   2025 IWRL6432WMOD

ADVANCE INFORMATION  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Functional Block Diagram
  6. Terminal Configurations and Functions
    1. 5.1 Pin Diagrams
    2. 5.2 Signal Descriptions
  7. Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  Recommended Operating Conditions
    3. 6.3  System Topologies
      1. 6.3.1 Autonomous Mode
      2. 6.3.2 Secondary Device Mode
    4. 6.4  Module Power Management
    5. 6.5  Peak Current Requirement per Voltage Rail
    6. 6.6  RF Specification
    7. 6.7  Antenna Position
      1. 6.7.1 2D Antenna Array With 3D Detection Capability
    8. 6.8  Antenna Gain Plot
      1. 6.8.1 Transmitter Gain Plots
      2. 6.8.2 Receiver Gain Plot
    9. 6.9  Thermal Resistance Characteristics
    10. 6.10 Timing and Switching Characteristics
      1. 6.10.1 Power Supply Sequencing and Reset Timing
      2. 6.10.2 MultiChannel buffered / Standard Serial Peripheral Interface (McSPI)
        1. 6.10.2.1 SPI Timing Conditions
        2. 6.10.2.2 SPI—Peripheral Mode
          1. 6.10.2.2.1 Timing and Switching Requirements for SPI - Peripheral Mode
          2. 6.10.2.2.2 Timing and Switching Characteristics for SPI Output Timings—Secondary Mode
      3. 6.10.3 Dedicated Input/Output
        1. 6.10.3.1 Switching Characteristics for Output Timing versus Load Capacitance (CL)
      4. 6.10.4 Serial Communication Interface (SCI)
        1. 6.10.4.1 SCI Timing Requirements
  8. Detailed Description
    1. 7.1 Overview
      1. 7.1.1 Module Images
    2. 7.2 Functional Block Diagram
    3. 7.3 Subsystems
      1. 7.3.1 Host Interface
      2. 7.3.2 Software
  9. Applications, Implementation, and Layout
    1. 8.1 Application Information
    2. 8.2 Test Results
  10. Device and Documentation Support
    1. 9.1 Device Nomenclature
    2. 9.2 Device Marking
    3. 9.3 Documentation Support
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Reflow Information
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Features

  • Ease of Use
    • Integrated IWRL6432W mmWave sensor
    • Small module size: 31mm x 15mm
    • Quad Flat Module (QFM) - 4 x 9 LGA Grid
    • Easy to mount 30-pad Land Grid Array (LGA)
    • Easy to integrate - 18 signals interface
    • Simple Configurable APIs (via SPI) to configure Range, Motion Sensitivity, Update rate via external MCU
    • Motion and Presence detection indication via GPIO
    • Integrated 3 receive channels and 2 transmit antennas etched on PCB
    • Integrated power distribution network
    • Integrated 40MHz XTAL
  • FMCW Transceiver
    • On-chip integrated PLL, transmitter, receiver, baseband and ADC
    • Frequency Modulated Continuous Wave operation
    • 5MHz IF bandwidth, real-only Rx channels
    • Ultra-accurate chirp engine based on fractional-N PLL
  • Antenna
    • Field of View (FoV): ± 60° (Azimuth); ± 60° (Elevation)
    • 57GHz - 61.5GHz antenna coverage with 4.5GHz continuous bandwidth
  • Certifications
    • Targeted modular certification with FCC, RED, TELEC certifications
  • Performance
    • Human Presence Detection Range typically up to:
      • At 0°: 15m
      • At edge of FoV: 8m
    • Built-in low power modes for power saving
  • Power management
    • 3.3V VCC and VIO operation
    • Built-in 1.8V regulator on module
    • Built-in on-chip LDO network for enhanced PSRR
    • BOM-Optimized mode
  • Host Interface
    • SPI
      • Host PC interface using TI mmWave uDFP
      • Interfaces with external MCU
  • Other interfaces
    • Presence Indication
    • Wake Up Request
  • Temperature operating range
    • Industrial grade temperature range: –40°C to 85°C