SLVSE94G September   2018  – June 2024 TPS2663

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  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 Timing Requirements
    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  Hot Plug-In and Inrush Current Control
        1. 8.3.1.1 Thermal Regulation Loop
      2. 8.3.2  PGOOD and PGTH
        1. 8.3.2.1 PGTH as VOUT Sensing Input
      3. 8.3.3  Undervoltage Lockout (UVLO)
      4. 8.3.4  Overvoltage Protection (OVP)
      5. 8.3.5  Input Reverse Polarity Protection (B_GATE, DRV)
      6. 8.3.6  Reverse Current Protection
      7. 8.3.7  Overload and Short-Circuit Protection
        1. 8.3.7.1 Overload Protection
          1. 8.3.7.1.1 Active Current Limiting at 1 × IOL (TPS26630 and TPS26632 Only)
          2. 8.3.7.1.2 Active Current Limiting With 2 × IOL Pulse Current Support (TPS26631, TPS26633, TPS26635, TPS26636, and TPS26637 Only)
        2. 8.3.7.2 Short-Circuit Protection
          1. 8.3.7.2.1 Start-Up With Short Circuit on Output
      8. 8.3.8  Output Power Limiting, PLIM (TPS26632, TPS26633, TPS26635, TPS26636, and TPS26637 Only)
      9. 8.3.9  Current Monitoring Output (IMON)
      10. 8.3.10 FAULT Response (FLT)
      11. 8.3.11 IN_SYS, IN, OUT, and GND Pins
      12. 8.3.12 Thermal Shutdown
      13. 8.3.13 Low Current Shutdown Control (SHDN)
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application: Power Path Protection in a PLC System
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Programming the Current-Limit Threshold—R(ILIM) Selection
        2. 9.2.2.2 Undervoltage Lockout and Overvoltage Set Point
        3. 9.2.2.3 Output Buffer Capacitor – COUT
        4. 9.2.2.4 PGTH Set Point
        5. 9.2.2.5 Setting Output Voltage Ramp Time—(tdVdT)
          1. 9.2.2.5.1 Support Component Selections— RPGOOD and C(IN)
        6. 9.2.2.6 Selecting Q1, Q2 and TVS Clamp for Surge Protection
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
      1. 9.3.1 Simple 24-V Power Supply Path Protection
      2. 9.3.2 Priority Power MUX Operation
      3. 9.3.3 Input Protection for a Compact 24-V Auxiliary Power Supply for Servo Drives
    4. 9.4 Dos and Do Nots
    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
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, 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

9.2 Typical Application: Power Path Protection in a PLC System

TPS2663 A Typical CPU (PLC Controller) System Block DiagramFigure 9-1 A Typical CPU (PLC Controller) System Block Diagram

The PLC system is usually connected to an external 24-V DC power supply to provide power to the controller unit, backplane, and I/O modules. Input protection circuits are required to protect the PLC from faults such as overvoltage, undervoltage, and overload. Because input supply connectors are screw type, there can always be a possibility of reverse supply connections. Protection circuits must block the reverse polarity to protect the PLC from possible negative voltages. At the same time, every PLC is tested for electrostatic discharge (ESD) according to IEC 61000-4-2, burst pulses (EFT) according to IEC 61000- 4-4, energy single pulse (surge) according to IEC 61000-4-5, voltage drops and interruptions. Figure 9-1 shows a system block diagram of PLC controller unit along with the input protection socket. The TPS2663x devices offer a plug and play input protection solution for such applications. For more information about this end equipment, refer to the TI application site on Programmable Logic Controller (PLC), DCS & PAC: CPU (PLC Controller).

TPS2663 24-V, 2-A eFuse Input Protection Circuit for Industrial PLC, CNC CPUFigure 9-2 24-V, 2-A eFuse Input Protection Circuit for Industrial PLC, CNC CPU