SPMU378A April   2026  – August 2026 TPS26750A

 

  1.   1
  2.   Read This First
    1.     About This Manual
    2.     Notational Conventions
    3.     Glossary
    4.     Related Documents
    5.     Support Resources
    6.     Trademarks
  3. 1Introduction
    1. 1.1 Purpose and Scope
    2. 1.2 PD Controller Host Interface Description
      1. 1.2.1 Overview
      2. 1.2.2 Register and field notation
    3. 1.3 Unique Address Interface
      1. 1.3.1 Unique Address Interface Protocol
  4. 2PD Controller Policy Modes
    1. 2.1 Overview
    2. 2.2 Source Policy Mode
    3. 2.3 Sink Policy Mode
  5. 3Register Overview
    1. 3.1 TPS26750A Registers
  6. 44CC Task Detailed Descriptions
    1. 4.1 Overview
    2. 4.2 CPU Control Tasks
      1. 4.2.1 'Gaid' - Return to normal operation
      2. 4.2.2 'GAID' - Cold reset request
    3. 4.3 PD Message Tasks
      1. 4.3.1  'SWSk' - PD PR_Swap to Sink
      2. 4.3.2  'SWSr' - PD PR_Swap to Source
      3. 4.3.3  'SWDF' - PD DR_Swap to DFP
      4. 4.3.4  'SWUF' - PD DR_Swap to UFP
      5. 4.3.5  'GSkC' - PD Get Sink Capabilities
      6. 4.3.6  'GSrC' - PD Get Source Capabilities
      7. 4.3.7  'ESkC' - PD EPR Get Sink Capabilities
      8. 4.3.8  'ESrC' - PD EPR Get Source Capabilities
      9. 4.3.9  'SSrC' - PD Send Source Capabilities
      10. 4.3.10 'GPPI' - PD Get Port Partner Information
      11. 4.3.11 'MBRd' - Message Buffer Read
    4. 4.4 Power Switch Tasks
      1. 4.4.1 'SRDY' - System ready to sink power
      2. 4.4.2 'SRYR' - SRDY reset
    5. 4.5 Patch Bundle Update Tasks
      1. 4.5.1 'PBMs' - Start Patch Burst Mode Download Sequence
      2. 4.5.2 'PBMc' - Patch Burst Mode Download Complete
      3. 4.5.3 'PBMe' - End Patch Burst Mode Download Sequence
      4. 4.5.4 'FLrd' - Flash Memory Read
      5. 4.5.5 'FLad' - Flash Memory Write Start Address
      6. 4.5.6 'FLwd' - Flash Memory Write
      7. 4.5.7 'FLvy' - Flash Memory Verify
    6. 4.6 System Tasks
      1. 4.6.1 'ANeg' - Auto Negotiate Sink Update
      2. 4.6.2 'DBfg' - Clear Dead Battery Flag
      3. 4.6.3 'I2Cr' - I2C read transaction
      4. 4.6.4 'I2Cw' - I2C write transaction
      5. 4.6.5 'GPsh' - set GPIO high
      6. 4.6.6 'GPsl' - set GPIO low
  7. 5User Reference
    1. 5.1 PD Controller Application Customization
    2. 5.2 Loading a Patch Bundle
    3. 5.3 AUTO_NEGOTIATE_SINK Register
      1. 5.3.1 AUTO_NEGOTIATE_SINK Usage Example 1
      2. 5.3.2 AUTO_NEGOTIATE_SINK Usage Example 2
      3. 5.3.3 AUTO_NEGOTIATE_SINK Usage Example 3
      4. 5.3.4 AUTO_NEGOTIATE_SINK Usage Example 4
    4. 5.4 Liquid Detection Registers
    5. 5.5 GPIO Events
  8. 6Revision History

6 Revision History

Changes from April 30, 2026 to August 30, 2026 (from Revision * (April 2026) to Revision A (August 2026))

  • Add information about bit and bye convention to notational conventions.Go
  • Add page break and remove redundant section title 'Introduction'Go
  • Removed notes about multiple instances of registersGo
  • Update formatting of sectionGo
  • Update referenced 4CC command.Go
  • Update formatting. Go
  • Update PD messages supported by GPPIGo
  • Add SRDY and SRYR sectionsGo
  • Remove unused PTCx commands and GO2PGo
  • Update length of rpBundleSignature in PBMcGo
  • Remove notes about redundant unsupported modes.Go
  • Add timing constraint to I2Cr.Go
  • Update spelling in GPsl Go
  • Update PDO naming to align with PDO referenced in SourcePDOxContract. Updated description of GPIO event 159,160, and 161 for clarity.Go