SLUSF07 December   2024 TPS4813-Q1

PRODUCTION DATA  

  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 Electrical Characteristics
    6. 5.6 Switching Characteristics
    7. 5.7 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Charge Pump and Gate Driver Output (VS, G1PU, G1PD, BST, SRC)
      2. 7.3.2 Capacitive Load Driving
        1. 7.3.2.1 Using Low-Power Bypass FET (G2 Drive) for Load Capacitor Charging
        2. 7.3.2.2 Using Main FET's (G1 Drive) Gate Slew Rate Control
      3. 7.3.3 Short-Circuit Protection
        1. 7.3.3.1 Short-Circuit Protection With Auto-Retry
        2. 7.3.3.2 Short-Circuit Protection With Latch-Off
      4. 7.3.4 Undervoltage Protection (UVLO)
      5. 7.3.5 Reverse Polarity Protection
      6. 7.3.6 Short-Circuit Protection Diagnosis (SCP_TEST)
    4. 7.4 Device Functional Modes
      1. 7.4.1 State Diagram
      2. 7.4.2 State Transition Timing Diagram
      3. 7.4.3 Power Down
      4. 7.4.4 Shutdown Mode
      5. 7.4.5 Low Power Mode
      6. 7.4.6 Active Mode
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application 1: Driving Power At All Times (PAAT) Loads With Automatic Load Wakeup
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Typical Application 2: Driving Power At All Times (PAAT) Loads With Automatic Load Wakeup and Output Bulk Capacitor Charging
      1. 8.3.1 Design Requirements
      2. 8.3.2 External Component Selection
      3. 8.3.3 Application Curves
    4. 8.4 TIDA-020065: Automotive Smart Fuse Reference Design Driving Power At All Times (PAAT) Loads With Automatic Load Wakeup, Output Bulk Capacitor Charging, Bi-directional Current Sensing and Software I2t
    5. 8.5 Power Supply Recommendations
    6. 8.6 Layout
      1. 8.6.1 Layout Guidelines
      2. 8.6.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DGX|19
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.2.3 Application Curves

TPS4813-Q1 Start-Up Profile of Low Power Path (LPM = Low, VIN = 48V, No Load, CBST = 470nF)Figure 8-2 Start-Up Profile of Low Power Path (LPM = Low, VIN = 48V, No Load, CBST = 470nF)
TPS4813-Q1 As LPM = Low, INP Has No Control on G1 Even After WAKEUPFigure 8-4 As LPM = Low, INP Has No Control on G1 Even After WAKEUP
TPS4813-Q1 With LPM = Low to High, INP Gained Control on G1 (VIN = 48V, No Load)Figure 8-6 With LPM = Low to High, INP Gained Control on G1 (VIN = 48V, No Load)
TPS4813-Q1 Latch-Off Response of TPS48130-Q1 for an Overcurrent FaultFigure 8-8 Latch-Off Response of TPS48130-Q1 for an Overcurrent Fault
TPS4813-Q1 State Transition From LPM to Active Mode (LPM = Low, VIN = 48V, EN/UVLO = High)Figure 8-3 State Transition From LPM to Active Mode (LPM = Low, VIN = 48V, EN/UVLO = High)
TPS4813-Q1 State Transition From LPM to Active Mode (LPM = Low to High, VIN = 48V, No Load)Figure 8-5 State Transition From LPM to Active Mode (LPM = Low to High, VIN = 48V, No Load)
TPS4813-Q1 Auto-Retry Response of TPS48130-Q1 for an Overcurrent FaultFigure 8-7 Auto-Retry Response of TPS48130-Q1 for an Overcurrent Fault
TPS4813-Q1 Output Short-Circuit Response of TPS48130-Q1Figure 8-9 Output Short-Circuit Response of TPS48130-Q1