SLVSGF4B june   2022  – may 2023 TPS1641

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Enable and Shutdown Input (EN/SHDN)
      2. 8.3.2  Overvoltage Protection (OVP)
      3. 8.3.3  Output Slew Rate and Inrush Current Control (dVdt)
      4. 8.3.4  Active Current Limiting (ILIM) With the TPS16412, TPS16413, TPS16416, and TPS16417
      5. 8.3.5  Active Power Limiting (PLIM) With the TPS16410, TPS16411, TPS16414, and TPS16415
        1. 8.3.5.1 Internal Current Limit for the TPS16410 and TPS16411
      6. 8.3.6  Overcurrent Protection (IOCP) and Blanking Time (IDLY or PDLY) for Transient Loads
      7. 8.3.7  Fast-Trip and Short-Circuit Protection
      8. 8.3.8  Analog Load Current Monitor (IMON) on the IOCP Pin
      9. 8.3.9  IN to OUT Short Detection (TPS16410, TPS16411, TPS16412, and TPS16413)
      10. 8.3.10 Thermal Shutdown and Overtemperature Protection
      11. 8.3.11 Fault Response and Indication (FLT)
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application: 15-W Power Limiting for Low Power Circuits (LPCs)
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Setting Overvoltage Setpoints
        2. 9.2.2.2 Setting the Output Overcurrent Setpoint (IOCP)
        3. 9.2.2.3 Setting the Output Power Limit
        4. 9.2.2.4 Monitoring the Output Current
        5. 9.2.2.5 Limiting the Inrush Current and Setting the Output Slew Rate
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
      1. 9.3.1 Accurate Power or Current Limiting at the Output of DC/DC or Flyback Converter
    4. 9.4 Best Design Practices
    5. 9.5 Power Supply Recommendations
      1. 9.5.1 Transient Protection
    6. 9.6 Layout
      1. 9.6.1 Layout Guidelines
      2. 9.6.2 Layout Example
  10. 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
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

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

7.7 Typical Characteristics

–40 °C ≤ TA = TJ ≤ +125 °C, VIN = 4.5 V to 40 V, Vcc = VIN, RILIM = 5.49 kΩ RPLIM = 255 kΩ RIOCP = 7.32 kΩ , FLT = Open, COUT = 100 nF, CIN = 100 nF CdVdT = Open, PDLY = Open. , EN/SHDN = Open (All voltages referenced to GND, (unless otherwise noted))

GUID-20220530-SS0I-N4SR-JCB4-D4CWZ2PQMGL6-low.svgFigure 7-1 IQ-ON vs Temperature
GUID-20220530-SS0I-NLXH-K9K9-THB9Q9NPMBDZ-low.svgFigure 7-3 ILKG-VIN vs Temperature
GUID-20220530-SS0I-K99G-JKBJ-D9J8DSZTZTBT-low.svgFigure 7-5 RDS-ON vs Temperature
GUID-20220530-SS0I-TJZ7-FZK8-Q7C9WWZDV9KJ-low.svgFigure 7-7 IdVdT vs Temperature
GUID-20220530-SS0I-ZGN6-0C7M-1FGNGPHZ5XNL-low.svgFigure 7-9 IOCP vs Temperature
GUID-20220603-SS0I-LHWG-TLX0-DNXR4B96KB0B-low.svgFigure 7-11 Output Power Limit vs Temperature for TPS16410 and TPS16411 with VIN = 12 V
GUID-20220603-SS0I-JS5Q-H7CL-K3GMZJ223M9W-low.svgFigure 7-13 Output Power Limit vs Temperature for TPS16410 and TPS16411 with VIN = 24 V
GUID-20221130-SS0I-QRJ4-7JFT-QP1MP78ZGVQZ-low.svgFigure 7-15 Thermal Shutdown Time vs Power Dissipation with VIN = 24 V
GUID-20220530-SS0I-X80Z-CRQV-VLVLH68BNNDS-low.svgFigure 7-2 IQSD vs Temperature
GUID-20220530-SS0I-8JM3-J2MZ-S5CPPDPTG47S-low.svgFigure 7-4 ILKG-VIN-SD vs Temperature
GUID-20220530-SS0I-H6PL-NMPF-QLDDPLM40BWZ-low.svgFigure 7-6 GdVdT vs Temperature
GUID-20220530-SS0I-MB7C-2WPL-1LT5PFXVWS2D-low.svgFigure 7-8 GIMON vs Temperature
GUID-20220530-SS0I-JTQG-FFCK-C2WRC1QMZMK6-low.svgFigure 7-10 Output Current Limit vs Temperature for TPS16412 and TPS16413
GUID-20221202-SS0I-VGHK-6DHP-0Z7NMWRSCDWZ-low.svgFigure 7-12 TDLY vs Temperature
GUID-20221130-SS0I-LMLG-HN0J-RC1XC9NHVLQF-low.svgFigure 7-14 Thermal Shutdown Time vs Power Dissipation with VIN = 12 V