SLVS931B November   2009  – December 2016 TPS2556 , TPS2557

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 Switching Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Overcurrent Conditions
      2. 9.3.2 FAULT Response
      3. 9.3.3 Undervoltage Lockout (UVLO)
      4. 9.3.4 Enable (EN OR EN)
      5. 9.3.5 Thermal Sense
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Current-Limiting Power-Distribution Switch
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Input and Output Capacitance
          2. 10.2.1.2.2 Programming the Current-Limit Threshold
            1. 10.2.1.2.2.1 Designing Above a Minimum Current Limit
            2. 10.2.1.2.2.2 Designing Below a Maximum Current Limit
            3. 10.2.1.2.2.3 Accounting for Resistor Tolerance
          3. 10.2.1.2.3 Auto-Retry Functionality
          4. 10.2.1.2.4 Two-Level Current-Limit Circuit
        3. 10.2.1.3 Application Curve
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
    3. 12.3 Thermal Considerations
  13. 13Device and Documentation Support
    1. 13.1 Related Links
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 Community Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

5 Device Comparison Table

33 mΩ, SINGLE 80 mΩ, SINGLE 80 mΩ, DUAL 80 mΩ, DUAL 80 mΩ, TRIPLE 80 mΩ, QUAD 80 mΩ, QUAD
TPS2556 TPS2557 switch_single.gif TPS2556 TPS2557 switch_single.gif TPS2556 TPS2557 switch_dual_shared.gif TPS2556 TPS2557 switch_dual.gif TPS2556 TPS2557 switch_triple.gif TPS2556 TPS2557 switch_quad_shared.gif TPS2556 TPS2557 switch_quad.gif
TPS201xA 0.2 A–2 A TPS2014 600 mA
TPS202x 0.2 A–2 A TPS2015 1 A TPS2042B 500 mA TPS2080 500 mA
TPS203x 0.2 A–2 A TPS2041B 500 mA TPS2052B 500 mA TPS2081 500 mA TPS2043B 500 mA
TPS2051B 500 mA TPS2046B 250 mA TPS2082 500 mA TPS2053B 500 mA TPS2044B 500 mA TPS2085 500 mA
TPS2045A 250 mA TPS2056 250 mA TPS2090 250 mA TPS2047B 250 mA TPS2054B 500 mA TPS2086 500 mA
TPS2049 100 mA TPS2062 1 A TPS2091 250 mA TPS2057A 250 mA TPS2048A 250 mA TPS2087 500 mA
TPS2055A 250 mA TPS2066 1 A TPS2092 250 mA TPS2063 1 A TPS2058 250 mA TPS2095 250 mA
TPS2061 1 A TPS2060 1.5 A TPS2067 1 A TPS2096 250 mA
TPS2065 1 A TPS2064 1.5 A TPS2097 250 mA
TPS2068 1.5 A
TPS2069 1.5 A