SLVSGZ9A February   2025  – May 2025 TPS4141-Q1

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
    1. 4.1 Pin Functions TPS4141-Q1
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Power Ratings
    6. 5.6 Electrical Characteristics
    7. 5.7 Switching Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Uni-directional Voltage Sensing
      2. 6.3.2 Bi-directional Voltage Sensing
      3. 6.3.3 Bi-directional and Uni-directional Voltage Sensing
      4. 6.3.4 High Voltage Input Range
      5. 6.3.5 Calculating the Output Voltage (VAOUT)
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Divider Ratio Selection
        2. 7.2.2.2 Error Estimation
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Tape and Reel Information

1 Features

  • Qualified for automotive applications
    • AEC-Q100 grade 1: –40°C to 125°C ambient operating temperature
  • Integrated high-voltage resistor divider
    • 30MΩ total resistance, precision matched divider
    • No exposed high-impedance nodes improves measurement integrity from board contaminants
  • Integrated high-voltage disconnect switch
    • 1200V standoff voltage, uni-directional blocking
    • <1.5μA leakage at TA = 105°C
  • High accuracy divider and precision buffer amplifier
    • Buffered output for easy interfacing to analog-to-digital converters
    • Dynamically selectable gain settings to maximize accuracy across high-voltage sensing range
    • Typical gain error ± 0.15%
    • Maximum input offset error ± 220mV
  • Support for uni-directional and bi-directional voltage sensing up to ±1200V
  • Dynamic switching between uni-directional and bi-directional voltage sensing operation
  • Low supply current
    • 5mA ON state current
    • 5.5μA OFF state current
  • SOIC (DWQ-11) package
    • Creepage and clearance ≥8mm from high-voltage sensing pin to all other pins