SLVSE25A July 2017  – October 2017 TPS2001D

PRODUCTION DATA. 

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1Absolute Maximum Ratings
    2. 7.2ESD Ratings
    3. 7.3Recommended Operating Conditions
    4. 7.4Thermal Information
    5. 7.5Electrical Characteristics: TJ = TA = 25°C
    6. 7.6Electrical Characteristics: -40°C ≤ TJ ≤ 125°C
    7. 7.7Timing Requirements: TJ = TA = 25°C
    8. 7.8Typical Characteristics
  8. Detailed Description
    1. 8.1Overview
    2. 8.2Functional Block Diagram
    3. 8.3Feature Description
      1. 8.3.1Undervoltage Lockout
      2. 8.3.2Enable
      3. 8.3.3Internal Charge Pump
      4. 8.3.4Current Limit
      5. 8.3.5FLT
      6. 8.3.6Output Discharge
    4. 8.4Device Functional Modes
  9. Application and Implementation
    1. 9.1Application Information
    2. 9.2Typical Application
      1. 9.2.1Design Requirements
      2. 9.2.2Detailed Design Procedure
        1. 9.2.2.1Input and Output Capacitance
      3. 9.2.3Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1Layout Guidelines
    2. 11.2Layout Example
    3. 11.3Power Dissipation and Junction Temperature
  12. 12Device and Documentation Support
    1. 12.1Receiving Notification of Documentation Updates
    2. 12.2Community Resources
    3. 12.3Trademarks
    4. 12.4Electrostatic Discharge Caution
    5. 12.5Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Features

  • Single Power Switch Family
  • Rated Current of 2 A
  • ±20% Accurate, Fixed, Constant Current Limit
  • Fast Overcurrent Response: 2 µs
  • Deglitched Fault Reporting
  • Output Discharge
  • Reverse Current Blocking
  • Built-In Soft Start
  • Ambient Temperature Range: –40°C to 85°C
  • UL Listed and CB-File No. E169910

Applications

  • USB Ports and Hubs, Laptops, and Desktops
  • High-Definition Digital TVs
  • Set-Top Boxes
  • Short-Circuit Protection

Description

The TPS2001D power-distribution switch is intended for applications where heavy capacitive loads and short circuits are likely to be encountered, such as USB.

The TPS2001D limits the output current to a safe level by operating in a constant-current mode when the output load exceeds the current limit threshold. This provides a predictable fault current under all conditions. The fast overload response time eases the burden on the main 5-V supply to provide regulated power when the output is shorted. The power-switch rise and fall times are controlled to minimize current surges during turnon and turnoff.

Device Information(1)

PART NUMBERPACKAGEBODY SIZE (NOM)
TPS2001DVSSOP (8)3.00 mm × 3.00 mm
SOT-23 (5)2.90 mm × 1.60 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.
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Typical Application Diagram

TPS2001D typ_app_SLVSE25.gif