SLVSJE4 May   2026 TPS26750A

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
      1. 5.1.1 TPS26750A - Absolute Maximum Ratings
      2. 5.1.2 TPS26750A - Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  TPS26750A - Recommended Operating Conditions
    4. 5.4  Recommended Capacitance
    5. 5.5  Thermal Information
    6. 5.6  Power Supply Characteristics
    7. 5.7  Power Consumption
    8. 5.8  POWER_PATH_EN Characteristics - TPS26750A
    9. 5.9  Power Path Supervisory
    10. 5.10 CC Cable Detection Parameters
    11. 5.11 CC PHY Parameters
    12. 5.12 Thermal Shutdown Characteristics
    13. 5.13 ADC Characteristics
    14. 5.14 Input/Output (I/O) Characteristics
    15. 5.15 BC1.2 Characteristics
    16. 5.16 I2C Requirements and Characteristics
    17. 5.17 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  USB-PD Physical Layer
        1. 7.3.1.1 USB-PD Encoding and Signaling
        2. 7.3.1.2 USB-PD Bi-Phase Marked Coding
        3. 7.3.1.3 USB-PD Transmit (TX) and Receive (Rx) Masks
        4. 7.3.1.4 USB-PD BMC Transmitter
        5. 7.3.1.5 USB-PD BMC Receiver
        6. 7.3.1.6 Squelch Receiver
      2. 7.3.2  Power Management
        1. 7.3.2.1 Power-On And Supervisory Functions
        2. 7.3.2.2 VBUS LDO
      3. 7.3.3  Power Paths
        1. 7.3.3.1 Internal Sourcing Power Paths
          1. 7.3.3.1.1 PP_5V Current Clamping
          2. 7.3.3.1.2 PP_5V Local Overtemperature Shut Down (OTSD)
          3. 7.3.3.1.3 PP_5V OVP
          4. 7.3.3.1.4 PP_5V UVLO
          5. 7.3.3.1.5 PP_5Vx Reverse Current Protection
          6. 7.3.3.1.6 PP_CABLE Current Clamp
          7. 7.3.3.1.7 PP_CABLE Local Overtemperature Shut Down (OTSD)
          8. 7.3.3.1.8 PP_CABLE UVLO
      4. 7.3.4  Cable Plug and Orientation Detection
        1. 7.3.4.1 Configured as a Source
        2. 7.3.4.2 Configured as a Sink
        3. 7.3.4.3 Configured as a DRP
        4. 7.3.4.4 Dead Battery Advertisement
      5. 7.3.5  Overvoltage Protection (CC1, CC2)
      6. 7.3.6  Default Behavior Configuration (ADCIN1, ADCIN2)
      7. 7.3.7  ADC
      8. 7.3.8  Liquid Detection
      9. 7.3.9  BC 1.2 (USB_P, USB_N)
      10. 7.3.10 Digital Interfaces
        1. 7.3.10.1 General GPIO
        2. 7.3.10.2 I2C Interface
          1. 7.3.10.2.1 I2C Interface Description
            1. 7.3.10.2.1.1 I2C Clock Stretching
            2. 7.3.10.2.1.2 I2C Address Setting
            3. 7.3.10.2.1.3 Unique Address Interface
            4. 7.3.10.2.1.4 Pin Strapping to Configure Default Behavior
      11. 7.3.11 Digital Core
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power States
      2. 7.4.2 Thermal Shutdown
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Programmable Power Supply (PPS) - Design Requirements
        2. 8.2.1.2 Adjustable Voltage Supply Design Requirements
        3. 8.2.1.3 Liquid Detection Design Requirements
        4. 8.2.1.4 BC1.2 Application Design Requirements
        5. 8.2.1.5 USB Data Support Design Requirements
        6. 8.2.1.6 EPR Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Programmable Power Supply (PPS)
        2. 8.2.2.2 Adjustable Voltage Supply
        3. 8.2.2.3 Liquid Detection
        4. 8.2.2.4 BC1.2 Application
        5. 8.2.2.5 USB Data Support
        6. 8.2.2.6 Power Delivery EPR Support
      3. 8.2.3 Application Curves
        1. 8.2.3.1 Programmable Power Supply (PPS) Application Curves
        2. 8.2.3.2 Liquid Detection Application Curves
        3. 8.2.3.3 EPR Application Curves
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 3.3V Power
        1. 8.3.1.1 VIN_3V3 Input Switch
      2. 8.3.2 1.5V Power
      3. 8.3.3 Recommended Supply Load Capacitance
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
        1. 8.4.1.1 Recommended Via Size
        2. 8.4.1.2 Minimum Trace Widths
      2. 8.4.2 Layout Example
        1. 8.4.2.1 Schematic
        2. 8.4.2.2 PCB Plots
          1. 8.4.2.2.1 Component Placement
          2. 8.4.2.2.2 PP5V
          3. 8.4.2.2.3 VBUS
          4. 8.4.2.2.4 I/O
          5. 8.4.2.2.5 PPEXT Gate Driver
          6. 8.4.2.2.6 GND
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

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8.2.3.1 Programmable Power Supply (PPS) Application Curves

The following are captured when the TPS26750A is acting as a PPS Source. The VBUS plot shows the PPS negotiation increasing and decreasing from 5V to 21V to 5V. The PD negotiation snap shot shows the VBUS requested voltage increasing by 100mV.

TPS26750A PPS PD Negotiation VBUS Increasing/DecreasingFigure 8-11 PPS PD Negotiation VBUS Increasing/Decreasing