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  • TPSI31P1-Q1 Automotive Active Pre-charge Controller With 17V Isolated Gate Driver and Bias Supply

    • SLVSHS7 October   2024 TPSI31P1-Q1

      ADVANCE INFORMATION  

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  • TPSI31P1-Q1 Automotive Active Pre-charge Controller With 17V Isolated Gate Driver and Bias Supply
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  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  Insulation Specifications
    7. 5.7  Safety-Related Certifications
    8. 5.8  Safety Limiting Values
    9. 5.9  Electrical Characteristics
    10. 5.10 Switching Characteristics
    11. 5.11 Insulation Characteristic Curves
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Transmission of the Enable State
      2. 6.3.2 Power Transmission
      3. 6.3.3 Gate Driver
      4. 6.3.4 Chip Enable (CE)
      5. 6.3.5 Comparators
      6. 6.3.6 VDDP, VDDH, and VDDM Under-voltage Lockout (UVLO)
      7. 6.3.7 Keep-off Circuitry
      8. 6.3.8 Thermal Shutdown
    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 CDIV1, CDIV2 Capacitance
      3. 7.2.3 Application Curves
      4. 7.2.4 Insulation Lifetime
    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 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Tape and Reel Information
  12. IMPORTANT NOTICE
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Data Sheet

TPSI31P1-Q1 Automotive Active Pre-charge Controller With 17V Isolated Gate Driver and Bias Supply

1 Features

  • Replaces large, high power pre-charge resistors using a switched converter architecture
  • Improved thermal performance compared to passive pre-charge solutions
  • Hysteretic current control for linear charging of downstream capacitance
  • Drives external power transistors such as Si, SiC MOSFET, or IGBT
  • Integrated isolated secondary supply for gate bias
  • 17V gate drive, 1.5A and 2.5A peak source and sink current
  • AEC Q-100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • Safety-related certifications
    • Planned: 7070VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • Planned: 5kVRMS isolation for 1 minute per UL 1577

2 Applications

  • Battery management system
TPSI31P1-Q1 TPSI31P1-Q1 Simplified Application TPSI31P1-Q1 Simplified Application

 
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