ZHCSLZ8A September   2020  – August 2021 TPS65988DK

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Power Supply Requirements and Characteristics
    6. 6.6  Power Consumption Characteristics
    7. 6.7  Power Switch Characteristics
    8. 6.8  Cable Detection Characteristics
    9. 6.9  USB-PD Baseband Signal Requirements and Characteristics
    10. 6.10 Thermal Shutdown Characteristics
    11. 6.11 Oscillator Characteristics
    12. 6.12 I/O Characteristics
    13. 6.13 I2C Requirements and Characteristics
    14. 6.14 SPI Controller Timing Requirements
    15. 6.15 HPD Timing Requirements
    16. 6.16 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  USB-PD Physical Layer
        1. 8.3.1.1 USB-PD Encoding and Signaling
        2. 8.3.1.2 USB-PD Bi-Phase Marked Coding
        3. 8.3.1.3 USB-PD Transmit (TX) and Receive (Rx) Masks
        4. 8.3.1.4 USB-PD BMC Transmitter
        5. 8.3.1.5 USB-PD BMC Receiver
      2. 8.3.2  Power Management
        1. 8.3.2.1 Power-On and Supervisory Functions
        2. 8.3.2.2 VBUS LDO
        3. 8.3.2.3 Supply Switch Over
      3. 8.3.3  Port Power Switches
        1. 8.3.3.1 PP_HV Power Switch
          1. 8.3.3.1.1 PP_HV Overcurrent Clamp
          2. 8.3.3.1.2 PP_HV Overcurrent Protection
          3. 8.3.3.1.3 PP_HV OVP and UVP
          4. 8.3.3.1.4 PP_HV Reverse Current Protection
        2. 8.3.3.2 Schottky for Current Surge Protection
        3. 8.3.3.3 PP_EXT Power Path Control
        4. 8.3.3.4 PP_CABLE Power Switch
          1. 8.3.3.4.1 PP_CABLE Overcurrent Protection
          2. 8.3.3.4.2 PP_CABLE Input Good Monitor
        5. 8.3.3.5 VBUS Transition to VSAFE5V
        6. 8.3.3.6 VBUS Transition to VSAFE0V
      4. 8.3.4  Cable Plug and Orientation Detection
        1. 8.3.4.1 Configured as a DFP
        2. 8.3.4.2 Configured as a UFP
        3. 8.3.4.3 Configured as a DRP
        4. 8.3.4.4 Fast Role Swap Signaling
      5. 8.3.5  Dead Battery Operation
        1. 8.3.5.1 Dead Battery Advertisement
        2. 8.3.5.2 BUSPOWER (ADCIN1)
      6. 8.3.6  ADC
      7. 8.3.7  DisplayPort HPD
      8. 8.3.8  Digital Interfaces
        1. 8.3.8.1 General GPIO
        2. 8.3.8.2 I2C
        3. 8.3.8.3 SPI
      9. 8.3.9  Digital Core
      10. 8.3.10 I2C Interfaces
        1. 8.3.10.1 I2C Interface Description
        2. 8.3.10.2 I2C Clock Stretching
        3. 8.3.10.3 I2C Address Setting
        4. 8.3.10.4 Unique Address Interface
        5. 8.3.10.5 I2C Pin Address Setting (ADCIN2)
      11. 8.3.11 SPI Controller Interface
      12. 8.3.12 Thermal Shutdown
      13. 8.3.13 Oscillators
    4. 8.4 Device Functional Modes
      1. 8.4.1 Boot
      2. 8.4.2 Power States
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 USB4 Device Application with Host Charging
        1. 9.2.1.1 Design Requirements
          1. 9.2.1.1.1 Power Supply Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 USB Power Delivery Source Capabilities
          2. 9.2.1.2.2 USB Power Delivery Sink Capabilities
          3. 9.2.1.2.3 Supported Data Modes
          4. 9.2.1.2.4 USB4 Hub Controller & PD Controller I2C Communication
          5. 9.2.1.2.5 Dock Management Controller & PD Controller I2C Communication
          6. 9.2.1.2.6 SPI Flash Options
  10. 10Power Supply Recommendations
    1. 10.1 3.3-V Power
      1. 10.1.1 VIN_3V3 Input Switch
      2. 10.1.2 VBUS 3.3-V LDO
    2. 10.2 1.8-V Power
    3. 10.3 Recommended Supply Load Capacitance
  11. 11Layout
    1. 11.1  Layout Guidelines
    2. 11.2  Layout Example
    3. 11.3  Stack-up and Design Rules
    4. 11.4  Main Component Placement
    5. 11.5  Super Speed Type-C Connectors
    6. 11.6  Capacitor Placement
    7. 11.7  CC1/2 Capacitors & ADCIN1/2 Resistors
    8. 11.8  CC and SBU Protection Placement
    9. 11.9  CC Routing
    10. 11.10 DRAIN1 and DRAIN2 Pad Pours
    11. 11.11 VBUS Routing
    12. 11.12 Completed Layout
    13. 11.13 Power Dissipation
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Firmware Warranty Disclaimer
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

11.9 CC Routing

Routing the CC lines with an 8 mil trace will guarantee the needed current for supporting powered Type C cables through VCONN. For more information on VCONN refer to the Type C specification. For capacitor GND pin use a 16-mil trace when possible. GPIO signals can be fanned out on the top layer with a 4-mil trace. Table 11-2 summarizes the minimum trace widths for these signals.

Table 11-2 Recommended Minimum Widths
RouteMinimum Width (mils)
CC1, CC2, PP_CABLE1, PP_CABLE28
VIN_3V3, LDO_3V3, LDO_1V86
Component GND10
GPIO4

Figure 11-14 shows the CC routing from the connector to the protection device and to the TPS65988DK.

GUID-7C58E47E-CB6B-4AE4-8380-625A46B9A00E-low.pngFigure 11-14 Complete CC Routing
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