TIDUFK2
September 2026
1
Description
Resources
Features
Applications
6
1
System Description
1.1
Terminology
1.2
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.2.1
Processing
2.2.2
Voltage and Current Sensing
2.2.2.1
Voltage Measurement
2.2.2.2
Current Measurement
2.2.3
Solenoid – Relay Driver
2.2.4
Temperature Measurement
2.3
Highlighted Products
2.3.1
CC2340R53
2.3.2
OPA2323
2.3.3
DRV8213
2.3.4
TMP236A2
3
System Design Theory
3.1
Software Architecture
3.1.1
System Initialization
3.1.2
Sample Acquisition
3.1.3
Sample Processing and Task Prioritization
3.2
Circuit Breaker Functionality
3.2.1
Breaker State and Relay Control
3.2.2
Instantaneous Short-Circuit Trip
3.2.3
Inverse-Time Overload Trip
3.3
Electrical Metrology
3.4
Zigbee Connectivity
4
Hardware, Software, Testing Requirements, and Test Results
4.1
Hardware Requirements
4.1.1
Hardware Connections and Test Points
4.2
Test Setup
4.2.1
Connecting the TIDA-011030 to the Metering Test Equipment
4.2.2
Power-Supply Options
4.2.3
Metrology Calibration
4.2.4
Test-Data Acquisition and Error Calculation
4.3
Test Results
4.3.1
Relay Control and Protection
4.3.1.1
Relay Pull-In and Holding PWM
4.3.1.2
Instantaneous Trip and Relay-Opening Latency
4.3.1.3
Inverse-Time Overload Trip
4.3.2
Metering
4.3.3
Real-Time Software Performance
4.3.4
Zigbee Functional Test
5
Design and Documentation Support
5.1
Tools and Software
5.1.1
Tools
5.1.2
Software
5.2
Documentation Support
Trademarks
6
About the Author
Design Guide
Smart Circuit Breaker Reference Design