TIDUF03A December   2022  – April 2026

1.   1
2.   Description
3.   Resources
4.   Features
5.   Applications
6.   6
7. 1System Description
   1. 1.1 Key System Specifications
8. 2System Overview
   1. 2.1 Block Diagram
   2. 2.2 System Design Theory
      1. 2.2.1 Detection Principals
      2. 2.2.2 Saturation
      3. 2.2.3 General Mode of Operation
   3. 2.3 Highlighted Products
      1. 2.3.1 DRV8220
      2. 2.3.2 TLV7011
      3. 2.3.3 INA293
      4. 2.3.4 SN74LVC1G74
      5. 2.3.5 OPAx383
      6. 2.3.6 INA600
      7. 2.3.7 TLV9022L
      8. 2.3.8 TLV431B
9. 3Hardware, Testing Requirements, and Test Results
   1. 3.1 Hardware
      1. 3.1.1  Board Overview
      2. 3.1.2  Filter Stage
      3. 3.1.3  Differential to Single-Ended Converter
      4. 3.1.4  Low-Pass Filters
      5. 3.1.5  Auto-Oscillation Circuit
      6. 3.1.6  DRV8220 H-Bridge
      7. 3.1.7  Saturation Detection Circuit
      8. 3.1.8  H-Bridge Controlled by DFF
      9. 3.1.9  Move Away From Timer Capture
      10. 3.1.10 Fluxgate Sensor
   2. 3.2 Test Setup
      1. 3.2.1 Ground-Fault Simulation
   3. 3.3 Test Results
      1. 3.3.1 Linearity Over Temperature
   4. 3.4 Fault Response Results
10. 4Design and Documentation Support
    1. 4.1 Design Files
       1. 4.1.1 Schematics
       2. 4.1.2 BOM
    2. 4.2 Documentation Support
    3. 4.3 Support Resources
    4. 4.4 Trademarks
11. 5About the Authors
12. 6Revision History