SWRS350
December 2025
IWRL6432WMOD
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
Functional Block Diagram
5
Terminal Configurations and Functions
5.1
Pin Diagrams
5.2
Signal Descriptions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Recommended Operating Conditions
6.3
System Topologies
6.3.1
Autonomous Mode
6.3.2
Secondary Device Mode
6.4
Module Power Management
6.5
Peak Current Requirement per Voltage Rail
6.6
RF Specification
6.7
Antenna Position
6.7.1
2D Antenna Array With 3D Detection Capability
6.8
Antenna Gain Plot
6.8.1
Transmitter Gain Plots
6.8.2
Receiver Gain Plot
6.9
Thermal Resistance Characteristics
6.10
Timing and Switching Characteristics
6.10.1
Power Supply Sequencing and Reset Timing
6.10.2
MultiChannel buffered / Standard Serial Peripheral Interface (McSPI)
6.10.2.1
SPI Timing Conditions
6.10.2.2
SPI—Peripheral Mode
6.10.2.2.1
Timing and Switching Requirements for SPI - Peripheral Mode
6.10.2.2.2
Timing and Switching Characteristics for SPI Output Timings—Secondary Mode
6.10.3
Dedicated Input/Output
6.10.3.1
Switching Characteristics for Output Timing versus Load Capacitance (CL)
6.10.4
Serial Communication Interface (SCI)
6.10.4.1
SCI Timing Requirements
7
Detailed Description
7.1
Overview
7.1.1
Module Images
7.2
Functional Block Diagram
7.3
Subsystems
7.3.1
Host Interface
7.3.2
Software
8
Applications, Implementation, and Layout
8.1
Application Information
8.2
Test Results
9
Device and Documentation Support
9.1
Device Nomenclature
9.2
Device Marking
9.3
Documentation Support
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Reflow Information
11
Revision History
12
Mechanical, Packaging, and Orderable Information
1
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