TIDUEZ9B
July 2022 – April 2023
Description
Resources
Features
Applications
5
1
System Description
1.1
Isolated Current Measurement
1.2
Band-Pass Filter
1.3
Analog-to-Digital Conversion
1.4
Arc Detection Algorithm
1.5
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.2.1
Current Transformer Circuit
2.2.2
Analog Band-Pass Filter
2.2.3
Analog-to-Digital Conversion
2.2.4
Power Supply
2.2.5
Debugging and Status Indication Options
2.3
Highlighted Products
2.3.1
TPS259474
2.3.2
TPS562202
2.3.3
TPS745
2.3.4
OPAx322
2.3.5
ADS8363
2.3.6
REF5025
2.3.7
TMDSCNCD280049C
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Hardware and Software Requirements
3.1.1
Hardware
3.1.2
Software
3.1.2.1
Arc Detection Theory
3.1.2.2
Software Implementation
3.2
Test Setup
3.2.1
ControlCARD Configuration
3.2.2
Setup for Hardware and Software Validation
3.2.3
Setup for Arc Testing
3.3
Test Results
3.3.1
Test Results of Hardware and Software Validation
3.3.2
Testing With Arcs
4
Design and Documentation Support
4.1
Design Files
4.1.1
Schematics
4.1.2
BOM
4.2
Tools and Software
4.3
Support Resources
4.4
Trademarks
5
About the Author
6
Revision History
Features
Four independent channels for arc detection
DC voltages of 1000 V and DC currents up to 10 A
Evaluation of external and internal ADC
Industrial temperature range (–40°C to +85°C)
Flexible C2000 MCU selection, due to 120-pin HSEC standard connector for multiple C2000 controlCARDs, also compatible with 180-pin HSEC connector controlCARDs
Adjustable arc detection software for system optimization available in
DigitalPower-SDK