TIDUFH0A March   2026  – May 2026

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
  8. 2System Overview
    1. 2.1 Design Considerations
    2. 2.2 Highlighted Products
      1. 2.2.1  AM2612
      2. 2.2.2  TIOL221
      3. 2.2.3  DP83826A
      4. 2.2.4  TPS274C65
      5. 2.2.5  LMK3C0105
      6. 2.2.6  LM74502
      7. 2.2.7  LMR51425
      8. 2.2.8  TPS62A03
      9. 2.2.9  TSM36CA
      10. 2.2.10 TVS3300
      11. 2.2.11 SN74HCS594
      12. 2.2.12 SN74HCS165
      13. 2.2.13 ESD204
      14. 2.2.14 ESD441
      15. 2.2.15 TPD2E2U06
      16. 2.2.16 TPS7A3701
      17. 2.2.17 MSP432E401
      18. 2.2.18 CSD18540Q5B
      19. 2.2.19 CSD18543Q3A
  9. 3System Design Theory
    1. 3.1 Power Supply and Protection
      1. 3.1.1 LM74502 Input Protection
    2. 3.2 Ethernet
    3. 3.3 IO-Link HSS
    4. 3.4 Shift Registers for LEDs and Digital IO
    5. 3.5 Protection of IO-Link
    6. 3.6 CPU and Boot
  10. 4Hardware, Software, Testing Requirements, and Test Results
    1. 4.1 Hardware Requirements
    2. 4.2 Software Requirements
    3. 4.3 Test Setup
    4. 4.4 Test Results
      1. 4.4.1  High Side Switch TPS274C65
      2. 4.4.2  TIOL221
      3. 4.4.3  Input Protection and Start-up
      4. 4.4.4  EMC/EMI Compliance
      5. 4.4.5  CISPR 32–Radiated Emissions
      6. 4.4.6  EN61000-6-3–Conducted Emissions
      7. 4.4.7  IEC 61000-4-2–Electrostatic Discharge (ESD)
      8. 4.4.8  EN 61000-4-3–Radiated Immunity
      9. 4.4.9  IEC 61000-4-4 Burst / EFT
        1. 4.4.9.1 DC Port
        2. 4.4.9.2 Ethernet
        3. 4.4.9.3 IO-Link
        4. 4.4.9.4 Summary
      10. 4.4.10 IEC 61000-4-5 Surge
      11. 4.4.11 IEC 61000-4-6 Conducted Immunity
    5. 4.5 Ethernet Compliance
  11. 5Design and Documentation Support
    1. 5.1 Design Files
      1. 5.1.1 Schematics
      2. 5.1.2 BOM
      3. 5.1.3 PCB Layout Recommendations
        1. 5.1.3.1 Layout Prints
    2. 5.2 Software
    3. 5.3 Documentation Support
    4. 5.4 Support Resources
    5. 5.5 Trademarks
  12. 6About the Author
  13. 7Revision History

3 System Design Theory

This section describes the hardware architecture and the key implementations of the reference design including component selections, layout hints and EMC guidelines.