TIDUFH0A
March 2026 – May 2026
1
Description
Resources
Features
Applications
6
1
System Description
2
System Overview
2.1
Design Considerations
2.2
Highlighted Products
2.2.1
AM2612
2.2.2
TIOL221
2.2.3
DP83826A
2.2.4
TPS274C65
2.2.5
LMK3C0105
2.2.6
LM74502
2.2.7
LMR51425
2.2.8
TPS62A03
2.2.9
TSM36CA
2.2.10
TVS3300
2.2.11
SN74HCS594
2.2.12
SN74HCS165
2.2.13
ESD204
2.2.14
ESD441
2.2.15
TPD2E2U06
2.2.16
TPS7A3701
2.2.17
MSP432E401
2.2.18
CSD18540Q5B
2.2.19
CSD18543Q3A
3
System Design Theory
3.1
Power Supply and Protection
3.1.1
LM74502 Input Protection
3.2
Ethernet
3.3
IO-Link HSS
3.4
Shift Registers for LEDs and Digital IO
3.5
Protection of IO-Link
3.6
CPU and Boot
4
Hardware, Software, Testing Requirements, and Test Results
4.1
Hardware Requirements
4.2
Software Requirements
4.3
Test Setup
4.4
Test Results
4.4.1
High Side Switch TPS274C65
4.4.2
TIOL221
4.4.3
Input Protection and Start-up
4.4.4
EMC/EMI Compliance
4.4.5
CISPR 32–Radiated Emissions
4.4.6
EN61000-6-3–Conducted Emissions
4.4.7
IEC 61000-4-2–Electrostatic Discharge (ESD)
4.4.8
EN 61000-4-3–Radiated Immunity
4.4.9
IEC 61000-4-4 Burst / EFT
4.4.9.1
DC Port
4.4.9.2
Ethernet
4.4.9.3
IO-Link
4.4.9.4
Summary
4.4.10
IEC 61000-4-5 Surge
4.4.11
IEC 61000-4-6 Conducted Immunity
4.5
Ethernet Compliance
5
Design and Documentation Support
5.1
Design Files
5.1.1
Schematics
5.1.2
BOM
5.1.3
PCB Layout Recommendations
5.1.3.1
Layout Prints
5.2
Software
5.3
Documentation Support
5.4
Support Resources
5.5
Trademarks
6
About the Author
7
Revision History
Design Guide
Cost-Effective IO-Link
®
Master Module Reference Design