TIDUF61 May   2024

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 Highlighted Products
      1. 2.2.1 TLV9002-Q1
      2. 2.2.2 TLV9034-Q1
      3. 2.2.3 TPS7B69-Q1
      4. 2.2.4 SN74HCS08-Q1
      5. 2.2.5 SN74HCS86-Q1
   3. 2.3 System Design Theory
      1. 2.3.1 TIDA-0020069 Operation
         1. 2.3.1.1 Constant Current Source
            1. 2.3.1.1.1 Design Goals
            2. 2.3.1.1.2 Design Description
            3. 2.3.1.1.3 Design Notes
            4. 2.3.1.1.4 Design Steps
         2. 2.3.1.2 Current Sensing
            1. 2.3.1.2.1 Design Goals
            2. 2.3.1.2.2 Design Description
            3. 2.3.1.2.3 Design Steps
         3. 2.3.1.3 Load Connections and Clamps
         4. 2.3.1.4 Modified Window Comparator
         5. 2.3.1.5 Digital Logic Gates
      2. 2.3.2 Status Indication
         1. 2.3.2.1 Normal Operation (Closed Connection) State
         2. 2.3.2.2 Open Connection State
         3. 2.3.2.3 Short-to-Battery State
         4. 2.3.2.4 Short-to-Ground State
9. 3Hardware, Testing Requirements, and Test Results
   1. 3.1 Hardware Requirements
   2. 3.2 Test Setup
   3. 3.3 Test Results
      1. 3.3.1 Normal Operation (Closed Connection) Test Results
      2. 3.3.2 Open Connection Test Results
      3. 3.3.3 Short-to-Battery Test Results
      4. 3.3.4 Short-to-Ground Test Results
      5. 3.3.5 Disable (Shutdown) Test Results
10. 4Design Files
    1. 4.1 Schematics
    2. 4.2 Bill of Materials
    3. 4.3 PCB Layout Recommendations
       1. 4.3.1 Layout Prints
    4. 4.4 Altium Project
    5. 4.5 Gerber Files
    6. 4.6 Assembly Drawings
11. 5Tools and Software
12. 6Documentation Support
13. 7Support Resources
14. 8Trademarks
15. 9About the Author

Automotive High-Voltage Interlock Loop (HVIL)
Reference Design