SLUUDH4 June   2026 TPS25751 , TPS25751A , TPS25752A , TPS26750 , TPS26750A

 

  1.   1
  2.   Abstract
  3. 1Getting Started
    1. 1.1 Supported Features
  4. 2Initialization and Launch
    1. 2.1 Web Browser
    2. 2.2 Native Application
  5. 3Creating a New Project
    1. 3.1 Device Selection
    2. 3.2 PD Configuration Walkthrough
      1. 3.2.1  Question 1 - System Configuration
      2. 3.2.2  Question 2 - Maximum Source Power
      3. 3.2.3  Question 3 - Maximum Sink Power
      4. 3.2.4  Question 4 - Preferred Power Role
      5. 3.2.5  Question 5 - Supported USB Speed
      6. 3.2.6  Question 6 - Preferred Data Role
      7. 3.2.7  Question 7 - BC1.2 and Legacy Charging
      8. 3.2.8  Question 8 - Liquid Detection
      9. 3.2.9  Question 9 - Vendor ID
      10. 3.2.10 Question 10 - Product ID
    3. 3.3 Battery Charger and DCDC Configuration
      1. 3.3.1 BQ Configuration Walkthrough
        1. 3.3.1.1 Question 11 - BQ Selection
        2. 3.3.1.2 Question 12 - BQ Input Current Limit
        3. 3.3.1.3 Question 13 - BQ Input Voltage Limit
        4. 3.3.1.4 Question 14 - Battery Charge Voltage
        5. 3.3.1.5 Question 15 - Battery Charge Current
        6. 3.3.1.6 Question 16 - Battery Termination Current
        7. 3.3.1.7 Question 18 - Battery Pre-Charge Current
        8. 3.3.1.8 BQ Register Configuration
      2. 3.3.2 DCDC Configuration
        1. 3.3.2.1 Question 11 - DCDC Selection
        2. 3.3.2.2 Question 12 - DCDC Target Address
  6. 4Advanced Configuration
    1. 4.1 Advanced - System Configuration
    2. 4.2 Advanced - Maximum Source Power
    3. 4.3 Advanced - Maximum Sink Power
    4. 4.4 Advanced - Preferred Power Role
    5. 4.5 Advanced - Preferred Data Role
    6. 4.6 Advanced - BC1.2 Configuration
    7. 4.7 Advanced - Liquid Detection
  7. 5Additional Features
    1. 5.1 Import Settings
    2. 5.2 Export Settings
    3. 5.3 Reset Configuration
  8. 6EVM Features
    1. 6.1 Serial Port Connections
    2. 6.2 Flash to EEPROM
    3. 6.3 Debug Mode
  9. 7GUI Revision History
  10. 8Revision History
  11.   Trademarks

4.4 Advanced - Preferred Power Role

Table 4-24 shows the register and field modified based on the questionnaire selection from Section 3.2.4.

Table 4-6 TPS25751A/TPS26750A Power Role Preference Configuration
RegisterFieldPower Source (provider)Power Sink (consumer)No Preference
Port Control (0x29)Process Swap to Sink [4]

Yes (0x1)

Yes (0x1)Yes (0x1)
Initiate Swap to Sink [5]

No (0x0)

Yes (0x1)No (0x0)
Process Swap to Source [6]

Yes (0x1)

Yes (0x1)

Yes (0x1)

Initiate Swap to Source [7]

Yes (0x1)

No (0x0)

No (0x0)

Note: This questionnaire is only applicable for DRP applications and is disabled for source-only and sink-only configurations.