SGLS143E December   2002  – March 2025 TPS3820-Q1 , TPS3823-Q1 , TPS3824-Q1 , TPS3825-Q1 , TPS3828-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
    1.     Pin Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Timing Diagram
    9. 6.9 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Manual Reset ( MR)
      2. 7.3.2 Active High or Active Low Output
      3. 7.3.3 Push-Pull or Open-Drain Output
      4. 7.3.4 Watchdog Timer (WDI)
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Supply Rail Monitoring with Watchdog Time-out and 200ms Delay
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Decoupling WDI During Reset Event
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
        1. 9.1.1.1 Related Links
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

1 Features

  • Qualified for automotive applications
  • AEC-Q100 Qualified With the Following Results:
    • Device temperature grade 1: –40°C to 125°C
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • ESD protection exceeds 2000V Per MIL-STD-883, Method 3015; using human body model (C = 100pF, R = 1500Ω)
  • Power-on reset generator with fixed delay time of 200ms (TPS3823/4/5/8-xx-Q1) or 25ms (TPS3820-xx-Q1)
  • Manual reset input (TPS3820/3/5/8-xx-Q1)
  • Reset output available in active-low (TPS3820/3/4/5-xx-Q1), Active-High (TPS3824/5-xx-Q1), and open drain (TPS3828-xx-Q1)
  • Supply voltage supervision range:
    2.5V, 3V, 3.3V, 5V
  • Watchdog timer (TPS3820/3/4/8-xx-Q1)
  • Supply current of 15μA (typical)
  • 5-Pin SOT-23 package
  • Temperature range: −40°C to 125°C