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

4.7 Advanced - Liquid Detection

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

Table 4-9 Liquid Detection Configuration
RegisterFieldValue
Interrupt Mask for I2Ct_IRQ (0x16)Liquid Detection [60]

Enable (0x1)

IO Config (0x5c)GPIO Al Enable GPIO 0 [224]

Pin to ADC (0x1)

GPIO Al Enable GPIO 2 [226]Pin to ADC (0x1)
GPIO 6 Mapped Event [343:336]liquid_detected (157)
GPIO 7 Mapped Event [351:344]liquid_control (155)
Liquid Detection Configuration (0x98)Wait Time In Sec Non-Liquid [7:0]11000ms (0xB)
Wait Time In Sec Liquid [15:8]10000ms (0xA)
Sample Time in 10ms Non-Liquid [19:16]

50ms (0x5)

Sample Time in 10ms Liquid [23:20]

40ms (0x4)

Liquid Detection Retries Wait Time [27:24]

1100ms (0xB)

Liquid Detection Retries [31:28]

10 (0xA)

Number of Samples [39:32]

2 (0x2)

Low Threshold ADC No Liquid [47:40]

504mV (0x24)

High Threshold ADC No Liquid [55:48]

2002mV (0x8f)

Low Threshold ADC Liquid [63:56]

504mV (0x24)

High Threshold ADC Liquid [71:64]

2002mV (0x8f)

Enable Liquid Detection [72]

Yes (0x1)

Enable Corrosion Mitigation [73]

Yes (0x1)

Monitor During Attach [74]

Yes (0x1)

Monitor During Unattach [75]

Yes (0x1)

Liquid Pins to Monitor [77:76]

0x0

Pulldown Threshold ADC [87:80]

0x0