SLVSGZ9A February   2025  – May 2025 TPS4141-Q1

ADVANCE INFORMATION  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
    1. 4.1 Pin Functions TPS4141-Q1
  6. 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. 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. 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. 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. Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Tape and Reel Information

Design Requirements

Table 7-1 lists the Design Requirements for a typical high voltage measurement using a low voltage MCU to control the TPS4141-Q1. It assumes the MCU resides on the HVGND (ground of the high voltage domain).

Table 7-1 Design Requirements TPS4141-Q1 HV Measurement
PARAMETER VALUE
VHV voltage range 0V to 1000V
Supply (VVDD) 5V ±5%
ADC full scale input range 5V
ADC absolute measurement error ±1.5mV