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

4.6 Advanced - BC1.2 Configuration

Table 4-24 shows the register and field modified based on the questionnaire selection from Section 3.2.6.

Table 4-8 BC1.2 Configuration
RegisterField

BC1.2 CDP

BC1.2 DCP Only

BC1.2 DCP, 1.2V, and 2.7V Charging

No Support

Port Control (0x29)

DCD Enable [25]

Yes (0x1)

Yes (0x1)

Yes (0x1)

No (0x0)

Charger Advertise Enable [28:26]

BC1.2 CDP Only (0x1)

BC1.2 DCP Only (0x2)

DCP Auto 2 (0x6)

Do not emulate any legacy charger (0x0)

Charger Detect Enable [31:30]

Detect BC1.2 and proprietary legacy chargers (0x3)

Detect BC1.2 and proprietary legacy chargers (0x3)

Detect BC1.2 and proprietary legacy chargers (0x3)

Do not detect any legacy chargers (0x0)

IO Config (0x5c)

Multiplexing for GPIO 4 Pin [1:0]

Pin Multiplexed to D+ (0x2)

Pin Multiplexed to GPIO (0x0)

Multiplexing for GPIO 5 Pin [1:0]Pin Multiplexed to D- (0x2)Pin Multiplexed to GPIO (0x0)