Texas Instruments AWR1843AOP EVM Manuals

User’s Guide AWR1843AoP EVM User’s Guide ABSTRACT The AWR1843AOPEVM from Texas Instruments is an easy-to-use evaluation board for the AWR1843AOP mmWave sensing device, with direct connectivity to the MMWAVEICBOOST and DCA1000EVM development kits. This EVM contains everything required to start developing software for on-chip C67x DSP core and low- power ARM® Cortex®-R4F controllers. Table of Contents 1 Getting Started........................................................................................................................................................................3 1.1 Key Features......................................................................................................................................................................3 1.2 Kit Contents........................................................................................................................................................................3 2 Hardware................................................................................................................................................................................. 4 2.1 Block Diagram....................................................................................................................................................................5 2.2 PCB Storage and Handling Recommendations.................................................................................................................6 2.3 Heat Sink and Temperature............................................................................................................................................... 6 2.4 AWR1843AOPEVM Antenna............................................................................................................................................. 8 2.5 Switch Settings.................................................................................................................................................................11 2.6 LEDs.................................................................................................................................................................................11 2.7 Connectors.......................................................................................................................................................................13 2.8 AWR1843AOPEVM Muxing Scheme...............................................................................................................................20 2.9 Modular, MMWAVEICBOOST, and DCA1000 Mode........................................................................................................20 2.10 PC Connection...............................................................................................................................................................24 2.11 Power Supply Optimization............................................................................................................................................ 24 3 Design Files and Software Tools.........................................................................................................................................27 3.1 Hardware..........................................................................................................................................................................27 3.2 Software, Development Tools, and Example Code..........................................................................................................27 3.3 LDO Bypass Requirement............................................................................................................................................... 27 4 References............................................................................................................................................................................ 28 List of Figures Figure 2-1. AWR1843AOPEVM Top View................................................................................................................................... 4 Figure 2-2. AWR1843AOPEVM Bottom View..............................................................................................................................5 Figure 2-3. Block Diagram of the AWR1843AOPEVM................................................................................................................ 5 Figure 2-4. Duty Cycle versus Junction Temperature..................................................................................................................6 Figure 2-5. Heat Sink CAD Drawing............................................................................................................................................7 Figure 2-6. Heat Sink Placement.................................................................................................................................................7 Figure 2-7. AWR1843AOP Antenna Placement MIMO Array......................................................................................................8 Figure 2-8. Orientation of the AWR1843AOP Relative to the PCB..............................................................................................8 Figure 2-9. Measured Azimuthal Radiation Pattern for All Tx to Rx Pairs (Corner Reflector Placed at 4.5 Meters with a 1.75-GHz Bandwidth Chirp Starting at 77.75 GHz)..................................................................................................................9 Figure 2-10. Measured Elevation Radiation Pattern for All Tx to Rx Pairs (Corner Reflector Placed at 4.5 Meters with a 1.75-GHz Bandwidth Chirp Starting at 77.75 GHz)................................................................................................................10 Figure 2-11. AWR1843AOPEVM Switches................................................................................................................................11 Figure 2-12. Location of LEDs on PCB......................................................................................................................................12 Figure 2-13. 5-V Power Connector (J5).....................................................................................................................................13 Figure 2-14. USB Connector (J1).............................................................................................................................................. 14 Figure 2-15. DCA1000 HD Connector (J11).............................................................................................................................. 15 Figure 2-16. MMWAVEICBOOST HD Connector (J2)...............................................................................................................16 Figure 2-17. I2C Connector (J3)................................................................................................................................................17 Figure 2-18. BT/JTAG Connector (J7)....................................................................................................................................... 18 www.ti.com Table of Contents SPRUIX8 – MARCH 2021 Submit Document Feedback AWR1843AoP EVM User’s Guide 1 Copyright © 2021 Texas Instruments Incorporated