TIDUFG2 December   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Terminology
    2. 1.2 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1 Sensor Selection
    3. 2.3 Highlighted Products
      1. 2.3.1 TLV387
      2. 2.3.2 TLV9054
      3. 2.3.3 MSPM0G5187-LP
      4. 2.3.4 LOG300
      5. 2.3.5 UCC28881
      6. 2.3.6 TPS709
  9. 3System Design Theory
    1. 3.1 Current Sensor
    2. 3.2 Hybrid Integrator
    3. 3.3 Band-Pass Filter
      1. 3.3.1 Log Amplifier
      2. 3.3.2 Current Low-Pass Filter
      3. 3.3.3 Non-isolated Voltage Sensing
      4. 3.3.4 Auto Labeling Circuit
        1. 3.3.4.1 Line Voltage Sensing
        2. 3.3.4.2 Arc Gap Voltage Sensing
        3. 3.3.4.3 Differential to Single-Ended Conversion
      5. 3.3.5 Power Supply
  10. 4Hardware, Software, Testing Requirements, and Test Results
    1. 4.1 Hardware Requirements
    2. 4.2 Software
    3. 4.3 Test Setup
      1. 4.3.1 Arc Testing Setup
    4. 4.4 Test Results
  11. 5Design and Documentation Support
    1. 5.1 Design Files
      1. 5.1.1 Schematics
      2. 5.1.2 BOM
    2. 5.2 Tools and Software
    3. 5.3 Documentation Support
    4. 5.4 Support Resources
    5. 5.5 Trademarks
  12. 6About the Author

Documentation Support

  1. Fritz, J. N., Neeb, C., and De Doncker, R. W. (January 2015). A PCB Integrated Differential Rogowski Coil for Non-Intrusive Current Measurement Featuring High Bandwidth and dv/dt Immunity. ResearchGate. Retrieved from https://www.researchgate.net/publication/302567997
  2. Xue, Y., Lu, J., Wang, Z., Tolbert, L.M., Blalock, B. J., Wang, F. (2014) A compact planar Rogowski coil current sensor for active current balancing of parallel-connected Silicon Carbide MOSFETs. 2014 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2014. Retrieved from https://ieeexplore.ieee.org/document/6954042
  3. Texas Instruments, TLVx387 High Precision, Zero-Drift, Low-Input-Bias-Current Op Amps Data Sheet
  4. Texas Instruments, TLVx387 High Precision, Zero-Drift, Low-Input-Bias-Current Op Amps
  5. Texas Instruments, AMC3330 Precision, ±1V Input, Reinforced Isolated Amplifier With Integrated DC/DC Converter Data Sheet
  6. Texas Instruments, AMC23C11 Fast Response, Reinforced Isolated Comparator With Adjustable Threshold and Latch Function Data Sheet
  7. Texas Instruments, MSPM0G5187-LP User's Guide