SLVSE94F September   2018  – June 2021 TPS2663

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 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  Hot Plug-In and In-Rush Current Control
        1. 9.3.1.1 Thermal Regulation Loop
      2. 9.3.2  PGOOD and PGTH
        1. 9.3.2.1 PGTH as VOUT Sensing Input
      3. 9.3.3  Undervoltage Lockout (UVLO)
      4. 9.3.4  Overvoltage Protection (OVP)
      5. 9.3.5  Input Reverse Polarity Protection (B_GATE, DRV)
      6. 9.3.6  Reverse Current Protection
      7. 9.3.7  Overload and Short Circuit Protection
        1. 9.3.7.1 Overload Protection
          1. 9.3.7.1.1 Active Current Limiting at 1x IOL, (TPS26630 and TPS26632 Only)
          2. 9.3.7.1.2 Active Current Limiting with 2x IOL Pulse Current Support, (TPS26631, TPS26633, TPS26635 and TPS26636 Only)
        2. 9.3.7.2 Short Circuit Protection
          1. 9.3.7.2.1 Start-Up With Short-Circuit On Output
      8. 9.3.8  Output Power Limiting, PLIM (TPS26632, TPS26633, TPS26635 and TPS26636 Only)
      9. 9.3.9  Current Monitoring Output (IMON)
      10. 9.3.10 FAULT Response ( FLT)
      11. 9.3.11 IN_SYS, IN, OUT and GND Pins
      12. 9.3.12 Thermal Shutdown
      13. 9.3.13 Low Current Shutdown Control (SHDN)
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application: Power Path Protection in a PLC System
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Programming the Current-Limit Threshold—R(ILIM) Selection
        2. 10.2.2.2 Undervoltage Lockout and Overvoltage Set Point
        3. 10.2.2.3 Output Buffer Capacitor – COUT
        4. 10.2.2.4 PGTH Set Point
        5. 10.2.2.5 Setting Output Voltage Ramp Time—(tdVdT)
          1. 10.2.2.5.1 Support Component Selections— RPGOOD and C(IN)
        6. 10.2.2.6 Selecting Q1, Q2 and TVS Clamp for Surge Protection
      3. 10.2.3 Application Curves
    3. 10.3 System Examples
      1. 10.3.1 Simple 24-V Power Supply Path Protection
      2. 10.3.2 Priority Power MUX Operation
      3. 10.3.3 Input Protection for a Compact 24-V Auxiliary Power Supply for Servo Drives
    4. 10.4 Do's and Don'ts
  11. 11Power Supply Recommendations
    1. 11.1 Transient Protection
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 Support Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • RGE|24
  • PWP|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.7 Typical Characteristics

–40°C ≤ TA = TJ ≤ +125°C, V(IN_SYS) = V(IN) = 24 V, V( SHDN) = 2 V, R(ILIM) = 30 kΩ, IMON = PGOOD =  FLT = OPEN, C(OUT) = 1 μF, C(dVdT) = OPEN. (Unless stated otherwise)

GUID-775925CB-1C8E-4461-90A3-E7DA6BA1DC37-low.gifFigure 7-1 On-Resistance vs Temperature Across Load Current
GUID-57D5753B-6C54-42B1-B8A2-F3435FC4BEBE-low.gifFigure 7-3 B_GATE Drive Voltage vs Temperature
GUID-8A9BC320-CED9-43E7-B097-072B5AEA5E91-low.gifFigure 7-5 B_GATE Pull Down Drive Voltage vs Temperature
GUID-2E0EEA0F-1AE2-4DFC-BDFE-A76DABC87AE3-low.gifFigure 7-7 Input Supply Current vs Supply Voltage During Normal Operation
GUID-94430FD1-C0B3-4D3A-9BB8-1399FC290683-low.gifFigure 7-9 Overload Current Limit vs Temperature
GUID-230E0950-7B04-47C3-8DFD-9FA0CABA2709-low.gifFigure 7-11 Output Power Limiting Accuracy vs PLIM
GUID-F2E70D70-4286-49EF-B56A-3977E6B4EDB5-low.gifFigure 7-13 Current Monitor Output vs Output Current
GUID-5EEE3D49-F677-482B-AE21-730048B0BD17-low.gif
V(PGTH) > V(PGTHF)
Figure 7-15 UVLO, OVP Fast Turn ON Delay vs Temperature
GUID-1FC88B1C-D8E8-47D3-AF98-ED87543B0938-low.gifFigure 7-17 Reverse Current Blocking Response vs Temperature
GUID-6B339DD5-1D37-4FD7-A078-17F232CC8A78-low.gifFigure 7-2 Overvoltage Clamp Threshold vs Temperature
GUID-DA6D5D86-A309-43B8-AC0A-8D94A0B9F27D-low.gifFigure 7-4 B_GATE Drive Current vs Temperature
GUID-13F3C08C-6DFF-4A4F-A4AB-3CC1DA7E3FD6-low.gifFigure 7-6 Input Supply Current vs Supply Voltage in Shutdown
GUID-D045FF03-F888-4B29-A904-04984D87D9C7-low.gif
V(OUT) = 0 V
Figure 7-8 Input Supply Current vs Reverse Supply Voltage, –V(IN_SYS)
GUID-58A3A813-A3BE-46F2-900E-0C0C36F5E141-low.gifFigure 7-10 Overload Current Limit vs Temperature
GUID-0779761A-E3BD-454E-8097-7B8ABEFD5ECC-low.gif
TPS26632 R(PLIM) = 100 kΩ R(ILIM) = 3 kΩ
Figure 7-12 Power Limit, Current limit vs Supply Voltage
GUID-B6D5CCA7-E554-44B4-99E9-FBF81D5CEF14-low.gifFigure 7-14 IMON Gain Accuracy at < 0.6-A Output Current
GUID-1E4BFAC6-6F17-41E9-83A7-081AA170C779-low.gifFigure 7-16 Maximum Duration in Current and Power Limiting vs Temperature
GUID-4C9004D9-65BE-4AC1-8EEC-727DF6D2E32F-low.gif
Taken on VQFN device on EVM Board
Figure 7-18 Thermal Shutdown Time vs Power Dissipation