SLVSFN9A September   2020  – August 2021 TPS65988DK

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

6.5 Power Supply Requirements and Characteristics

over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
EXTERNAL
VIN_3V3 Input 3.3-V supply 3.135 3.3 3.45 V
PP_CABLE Input to power Vconn output on C_CC pins 2.95 5 5.5 V
PP_HV Source power from PP_HV to VBUS 4.5 5 22 V
VBUS Sink power from VBUS to PP_HV 4 5 22 V
CVIN_3V3 Recommended capacitance on the VIN_3V3 pin 5 10 µF
CPP_CABLE Recommended capacitance on PPx_CABLE pins 2.5 4.7 µF
CPP_HV_SRC Recommended capacitance on PP_HVx pin when configured as a source 2.5 4.7 µF
CPP_HV_SNK Recommended capacitance on PP_HVx pin when configured as a sink 1 47 120 μF
CVBUS Recommended capacitance on VBUSx pins 0.5 1 12 μF
INTERNAL
VLDO_3V3 Output voltage of LDO from VBUS to LDO_3V3 VIN_3V3 = 0 V, VBUS1 ≥ 4 V, 0 ≤ ILOAD ≤ 50 mA 3.15 3.3 3.45 V
VDO_LDO_3V3 Drop out voltage of LDO_3V3 from VBUS ILOAD = 50 mA 250 500 850 mV
ILDO_3V3_EX Allowed External Load current on LDO_3V3 pin 25 mA
VLDO_1V8 Output voltage of LDO_1V8 0 ≤ ILOAD ≤ 20 mA 1.75 1.8 1.85 V
VFWD_DROP Forward voltage drop across VIN_3V3 to LDO_3V3 switch ILOAD = 50 mA 200 mV
CLDO_3V3 Recommended capacitance on LDO_3V3 pin 5 10 25 μF
CLDO_1V8 Recommended capacitance on LDO_1V8 pin 2.2 4.7 6 μF
SUPERVISORY
UV_LDO3V3 Undervoltage threshold for LDO_3V3. Locks out 1.8-V LDOs. LDO_3V3 rising 2.2 2.325 2.45 V
UVH_LDO3V3 Undervoltage hysteresis for LDO_3V3 LDO_3V3 falling 20 80 150 mV
UV_PCBL Undervoltage threshold for PP_CABLE PP_CABLE rising 2.5 2.625 2.75 V
UVH_PCBL Undervoltage hysteresis for PP_PCABLE PP_CABLE falling 20 50 80 mV
OV_VBUS Overvoltage threshold for VBUS. This value is a 6-bit programmable threshold VBUS rising 5 24 V
OVLSB_VBUS Overvoltage threshold step for VBUS. This value is the LSB of the programmable threshold VBUS rising 328 mV
OVH_VBUS Overvoltage hysteresis for VBUS VBUS falling, % of OV_VBUS 1.4 1.65 1.9 %
UV_VBUS Undervoltage threshold for VBUS. This value is a 6-bit programmable threshold. VBUS falling 2.5 18.21 V
UVLSB_VBUS Undervoltage threshold step for VBUS. This value is the LSB of the programmable threshold. VBUS falling 249 mV
UVH_VBUS Undervoltage hysteresis for VBUS VBUS rising, % of UV_VBUS 0.9 1.3 1.7 %