SBVS426C December   2022  – October 2026 TPS25772-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Recommended Components
    5. 6.5  Thermal Information
    6. 6.6  Buck-Boost Regulator
    7. 6.7  CC Cable Detection Parameters
    8. 6.8  CC VCONN Parameters
    9. 6.9  CC PHY Parameters
    10. 6.10 Thermal Shutdown Characteristics
    11. 6.11 Oscillator Characteristics
    12. 6.12 ADC Characteristics
    13. 6.13 TVSP Parameters
    14. 6.14 Input/Output (I/O) Characteristics
    15. 6.15 BC1.2 Characteristics
    16. 6.16 I2C Requirements and Characteristics
    17. 6.17 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Device Power Management and Supervisory Circuitry
        1. 8.3.1.1 VIN UVLO and Enable/UVLO
        2. 8.3.1.2 Internal LDO Regulators
      2. 8.3.2  TVSP Device Configuration and ESD Protection
      3. 8.3.3  Buck-Boost Regulator
        1. 8.3.3.1  Buck-Boost Regulator Operation
        2. 8.3.3.2  Switching Frequency, Frequency Dither, Phase-Shift and Synchronization
        3. 8.3.3.3  VIN Supply and VIN Overvoltage Protection
        4. 8.3.3.4  Feedback Paths and Error Amplifiers
        5. 8.3.3.5  Transconductors and Compensation
        6. 8.3.3.6  Output Voltage DAC, Soft-Start and Cable Droop Compensation
        7. 8.3.3.7  VBUS Overvoltage Protection
        8. 8.3.3.8  VBUS Undervoltage Protection
        9. 8.3.3.9  Current Sense Resistor (RSNS) and Current Limit Operation
        10. 8.3.3.10 Buck-Boost Peak Current Limits
      4. 8.3.4  USB-PD Physical Layer
        1. 8.3.4.1 USB-PD Encoding and Signaling
        2. 8.3.4.2 USB-PD Bi-Phase Marked Coding
        3. 8.3.4.3 USB-PD Transmit (TX) and Receive (Rx) Masks
        4. 8.3.4.4 USB-PD BMC Transmitter
        5. 8.3.4.5 USB-PD BMC Receiver
        6. 8.3.4.6 Squelch Receiver
      5. 8.3.5  VCONN
      6. 8.3.6  Cable Plug and Orientation Detection
        1. 8.3.6.1 Configured as a Source
        2. 8.3.6.2 Configured as a Sink
        3. 8.3.6.3 Overvoltage Protection (Px_CC1, Px_CC2)
      7. 8.3.7  ADC
        1. 8.3.7.1 ADC Divider Ratios
      8. 8.3.8  BC 1.2, Legacy and Fast Charging Modes (Px_DP, Px_DM)
      9. 8.3.9  USB2.0 Low-Speed Endpoint
      10. 8.3.10 Digital Interfaces
        1. 8.3.10.1 General GPIO
        2. 8.3.10.2 I2C Buffer
      11. 8.3.11 I2C Interface
        1. 8.3.11.1 I2C Interface Description
        2. 8.3.11.2 I2C Clock Stretching
        3. 8.3.11.3 I2C Address Setting
        4. 8.3.11.4 Unique Address Interface
        5. 8.3.11.5 I2C Pullup Resistor Calculation
      12. 8.3.12 Digital Core
        1. 8.3.12.1 Device Memory
        2. 8.3.12.2 Core Microprocessor
      13. 8.3.13 NTC Input
      14. 8.3.14 Thermal Sensors and Thermal Shutdown
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Application GUI Selections
        2. 9.2.2.2 EEPROM Selection
        3. 9.2.2.3 EN/UVLO
        4. 9.2.2.4 Sense Resistor, RSNS, RCSP, RCSN and CFILT
        5. 9.2.2.5 Inductor Currents
        6. 9.2.2.6 Output Capacitor
        7. 9.2.2.7 Input Capacitor
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information
    1.     103

9.1 Application Information

The TPS25772-Q1 application configuration GUI provides default application settings.

The most common implementations are dual port USB PD charger and dual port USB PD with USB HUB. Refer to the respective evaluation board content found in the device product folder for the TPS25772-Q1 for detailed design information. Consult the TPS257XX-Q1-GUI Configuration Guide and application GUI TPS257XX-Q1-GUI for system configuration options.

TPS25772-Q1 Simplified Dual USB PD Charger Figure 9-1 Simplified Dual USB PD Charger
TPS25772-Q1 Simplified Dual USB PD with HUB Figure 9-2 Simplified Dual USB PD with HUB

Typical Application describes a detailed step-by-step design procedure for a typical charger application circuit.