SLVSJG8A March   2026  – July 2026 TPS25730A

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
      1. 6.1.1 TPS25730AD and TPS25730AS - Absolute Maximum Ratings
      2. 6.1.2 TPS25730AD - Absolute Maximum Ratings
      3. 6.1.3 TPS25730AS - Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
      1. 6.3.1 TPS25730AD - Recommended Operating Conditions
      2. 6.3.2 TPS25730AS - Recommended Operating Conditions
    4. 6.4  Recommended Capacitance
    5. 6.5  Thermal Information
      1. 6.5.1 TPS25730AD - Thermal Information
      2. 6.5.2 TPS25730AS Thermal Information
    6. 6.6  Power Supply Characteristics
    7. 6.7  Power Consumption
    8. 6.8  PPHV Power Switch Characteristics - TPS25730AD
    9. 6.9  PP_EXT Characteristics - TPS25730AS
    10. 6.10 Power Path Supervisory
    11. 6.11 CC Cable Detection Parameters
    12. 6.12 CC PHY Parameters
    13. 6.13 Thermal Shutdown Characteristics
    14. 6.14 ADC Characteristics
    15. 6.15 Input/Output (I/O) Characteristics
    16. 6.16 I2C Requirements and Characteristics
    17. 6.17 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  USB-PD Physical Layer
        1. 8.3.1.1 USB-PD Encoding and Signaling
        2. 8.3.1.2 USB-PD Bi-Phase Marked Coding
        3. 8.3.1.3 USB-PD BMC Transmitter
        4. 8.3.1.4 USB-PD BMC Receiver
        5. 8.3.1.5 Squelch Receiver
      2. 8.3.2  Power Management
        1. 8.3.2.1 Power-On And Supervisory Functions
        2. 8.3.2.2 VBUS LDO
      3. 8.3.3  Power Paths
        1. 8.3.3.1 TPS25730AD Internal Powerpath
        2. 8.3.3.2 External Powerpath Control PP_EXT
      4. 8.3.4  Cable Plug and Orientation Detection
      5. 8.3.5  Overvoltage Protection (CC1, CC2)
      6. 8.3.6  Default Behavior Configuration (ADCINx)
      7. 8.3.7  ADC
      8. 8.3.8  Digital Interfaces
        1. 8.3.8.1 GPIO
        2. 8.3.8.2 I2C Interface
          1. 8.3.8.2.1 I2C Interface Description
            1. 8.3.8.2.1.1 I2C Clock Stretching
            2. 8.3.8.2.1.2 Unique Address Interface
            3. 8.3.8.2.1.3 Pin Strapping to Configure Default Behavior
      9. 8.3.9  Digital Core
      10. 8.3.10 Minimum Voltage Configuration
      11. 8.3.11 Maximum Voltage Configuration
      12. 8.3.12 Sink Current Configuration
      13. 8.3.13 Auto-negotiate Sink Minimum Power
      14. 8.3.14 Extended Sink Capabilities Power Delivery Power
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power States
      2. 8.4.2 Schottky for Current Surge Protection
      3. 8.4.3 Thermal Shutdown
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
      1. 9.3.1 3.3V Power
        1. 9.3.1.1 VIN_3V3 Input Switch
      2. 9.3.2 1.5V Power
      3. 9.3.3 Recommended Supply Load Capacitance
    4. 9.4 Layout
      1. 9.4.1 TPS25730AD - Layout
        1. 9.4.1.1 Layout Guidelines
          1. 9.4.1.1.1 Top Placement and Bottom Component Placement and Layout
        2. 9.4.1.2 Layout Example
        3. 9.4.1.3 Component Placement
        4. 9.4.1.4 Routing VBUS, VIN_3V3, LDO_3V3, LDO_1V5
        5. 9.4.1.5 Routing CC and GPIO
      2. 9.4.2 TPS25730AS - Layout
        1. 9.4.2.1 Layout Guidelines
          1. 9.4.2.1.1 Top Placement and Bottom Component Placement and Layout
        2. 9.4.2.2 Layout Example
        3. 9.4.2.3 Component Placement
        4. 9.4.2.4 Routing VBUS, PPHV, VIN_3V3, LDO_3V3, LDO_1V5
        5. 9.4.2.5 Routing CC and GPIO
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Third-Party Products Disclaimer
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

8.4.2 Schottky for Current Surge Protection

To prevent the possibility of large ground currents into the TPS25730A during sudden disconnects due to inductive effects in a cable, TI recommends that a Schottky diode be placed from VBUS to ground.

TPS25730A TPS25730AD Schottky for Current Surge Protection Figure 8-27 TPS25730AD Schottky for Current Surge Protection
TPS25730A TPS25730AS Schottky for Current Surge Protection Figure 8-28 TPS25730AS Schottky for Current Surge Protection