SLUSFM0 May   2025 TPS4816-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and 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 Switching Characteristics
    7. 6.7 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Charge Pump and Gate Driver output (VS, GATE, BST, SRC)
      2. 8.3.2 Capacitive Load Driving
        1. 8.3.2.1 Using Bypass FET (G drive) for Load Capacitor Charging
        2. 8.3.2.2 Using Main FET's (GATE drive) Gate Slew Rate Control
      3. 8.3.3 Overcurrent and Short-Circuit Protection
        1. 8.3.3.1 I2t Based Overcurrent Protection
          1. 8.3.3.1.1 I2t based Overcurrent Protection with Auto-Retry
          2. 8.3.3.1.2 I2t based Overcurrent Protection with Latch-Off
        2. 8.3.3.2 Short-Circuit Protection
      4. 8.3.4 Analog Current Monitor Output (IMON)
      5. 8.3.5 NTC based Temperature Sensing (TMP) and Analog Monitor Output (ITMPO)
      6. 8.3.6 Fault Indication and Diagnosis (FLT)
      7. 8.3.7 Reverse Polarity Protection
      8. 8.3.8 Undervoltage (UVLO) and Overvoltage (OV) Protection
      9. 8.3.9 TPS48161-Q1 as a Simple Gate Driver
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power Down
      2. 8.4.2 Shutdown Mode
      3. 8.4.3 Active Mode (AM)
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application: Driving Capacitve Load
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

1 Features

  • AEC-Q100 automotive qualified for grade 1 temperature
  • 3.5V to 95V input range (100V absolute maximum)
  • Reverse input and output protection down to –60V
  • Integrated 12V charge pump
  • Low 1µA shutdown current (EN/UVLO = Low)
  • Dual gate drive: GATE = 0.5A src/2A sink, G = 100μA src/0.39A sink
  • Integrated pre-charge switch driver (INP_G) to drive capacitive loads
  • Accurate I2t overcurrent protection (IOC) with adjustable circuit breaker timer (I2t)
  • Accurate (±5%) and fast (5µs) short-circuit protection
  • Accurate analog bi-directional current monitor output (IMON, I_DIR): ±2% at 30mV VSNS
  • NTC based overtemperature sensing (TMP) and monitoring output (ITMPO)
  • Fault indication (FLT) during short circuit fault, I2t, charge pump UVLO, OV, overtemperature
  • TPS48160-Q1 (I2t enabled), TPS48161-Q1 (I2t disabled)
  • Accurate (±2%) and adjustable undervoltage lockout (UVLO) and overvoltage protection (OV)