ZHCSDS8E March   2015  – August 2021 TPS65982

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Power Supply Requirements and Characteristics
    6. 7.6  Power Supervisor Characteristics
    7. 7.7  Power Consumption Characteristics (1)
    8. 7.8  Cable Detection Characteristics
    9. 7.9  USB-PD Baseband Signal Requirements and Characteristics
    10. 7.10 USB-PD TX Driver Voltage Adjustment Parameter
    11. 7.11 Port Power Switch Characteristics
    12. 7.12 Port Data Multiplexer Switching Characteristics
    13. 7.13 Port Data Multiplexer Clamp Characteristics
    14. 7.14 Port Data Multiplexer SBU Detection Characteristics
    15. 7.15 Port Data Multiplexer Signal Monitoring Pullup and Pulldown Characteristics
    16. 7.16 Port Data Multiplexer USB Endpoint Characteristics
    17. 7.17 Port Data Multiplexer BC1.2 Detection Characteristics
    18. 7.18 Analog-to-Digital Converter (ADC) Characteristics
    19. 7.19 Input/Output (I/O) Characteristics
    20. 7.20 I2C Slave Characteristics
    21. 7.21 SPI Controller Characteristics
    22. 7.22 BUSPOWERZ Configuration Characteristics
    23. 7.23 Thermal Shutdown Characteristics
    24. 7.24 Oscillator Characteristics
    25. 7.25 Single-Wire Debugger (SWD) Timing Requirements
    26. 7.26 HPD Timing Requirements
    27. 7.27 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  USB-PD Physical Layer
        1. 9.3.1.1 USB-PD Encoding and Signaling
        2. 9.3.1.2 USB-PD Bi-Phase Marked Coding
        3. 9.3.1.3 USB-PD Transmit (TX) and Receive (Rx) Masks
        4. 9.3.1.4 USB-PD BMC Transmitter
        5. 9.3.1.5 USB-PD BMC Receiver
      2. 9.3.2  Cable Plug and Orientation Detection
        1. 9.3.2.1 Configured as a DFP
        2. 9.3.2.2 Configured as a UFP
        3. 9.3.2.3 Dead-Battery or No-Battery Support
      3. 9.3.3  Port Power Switches
        1. 9.3.3.1  5V Power Delivery
        2. 9.3.3.2  5V Power Switch as a Source
        3. 9.3.3.3  PP_5V0 Current Sense
        4. 9.3.3.4  PP_5V0 Current Limit
        5. 9.3.3.5  Internal HV Power Delivery
        6. 9.3.3.6  Internal HV Power Switch as a Source
        7. 9.3.3.7  Internal HV Power Switch as a Sink
        8. 9.3.3.8  Internal HV Power Switch Current Sense
        9. 9.3.3.9  Internal HV Power Switch Current Limit
        10. 9.3.3.10 External HV Power Delivery
        11. 9.3.3.11 External HV Power Switch as a Source with RSENSE
        12. 9.3.3.12 External HV Power Switch as a Sink with RSENSE
        13. 9.3.3.13 External HV Power Switch as a Sink without RSENSE
        14. 9.3.3.14 External Current Sense
        15. 9.3.3.15 External Current Limit
        16. 9.3.3.16 Soft Start
        17. 9.3.3.17 BUSPOWERZ
        18. 9.3.3.18 Voltage Transitions on VBUS through Port Power Switches
        19. 9.3.3.19 HV Transition to PP_RV0 Pull-Down on VBUS
        20. 9.3.3.20 VBUS Transition to VSAFE0V
        21. 9.3.3.21 C_CC1 and C_CC2 Power Configuration and Power Delivery
        22. 9.3.3.22 PP_CABLE to C_CC1 and C_CC2 Switch Architecture
        23. 9.3.3.23 PP_CABLE to C_CC1 and C_CC2 Current Limit
      4. 9.3.4  USB Type-C Port Data Multiplexer
        1. 9.3.4.1  USB Top and Bottom Ports
        2. 9.3.4.2  Multiplexer Connection Orientation
        3. 9.3.4.3  Digital Crossbar Multiplexer
        4. 9.3.4.4  SBU Crossbar Multiplexer
        5. 9.3.4.5  Signal Monitoring and Pullup/Pulldown
        6. 9.3.4.6  Port Multiplexer Clamp
        7. 9.3.4.7  USB2.0 Low-Speed Endpoint
        8. 9.3.4.8  Battery Charger (BC1.2) Detection Block
        9. 9.3.4.9  BC1.2 Data Contact Detect
        10. 9.3.4.10 BC1.2 Primary and Secondary Detection
      5. 9.3.5  Power Management
        1. 9.3.5.1 Power-On and Supervisory Functions
        2. 9.3.5.2 Supply Switch-Over
        3. 9.3.5.3 RESETZ and MRESET
      6. 9.3.6  Digital Core
      7. 9.3.7  USB-PD BMC Modem Interface
      8. 9.3.8  System Glue Logic
      9. 9.3.9  Power Reset Congrol Module (PRCM)
      10. 9.3.10 Interrupt Monitor
      11. 9.3.11 ADC Sense
      12. 9.3.12 UART
      13. 9.3.13 I2C Slave
      14. 9.3.14 SPI Controller
      15. 9.3.15 Single-Wire Debugger Interface
      16. 9.3.16 DisplayPort HPD Timers
      17. 9.3.17 ADC
        1. 9.3.17.1 ADC Divider Ratios
        2. 9.3.17.2 ADC Operating Modes
        3. 9.3.17.3 Single Channel Readout
        4. 9.3.17.4 Round Robin Automatic Readout
        5. 9.3.17.5 One Time Automatic Readout
      18. 9.3.18 I/O Buffers
        1. 9.3.18.1 IOBUF_GPIOLS and IOBUF_GPIOLSI2C
        2. 9.3.18.2 IOBUF_OD
        3. 9.3.18.3 IOBUF_UTX
        4. 9.3.18.4 IOBUF_URX
        5. 9.3.18.5 IOBUF_PORT
        6. 9.3.18.6 IOBUF_I2C
        7. 9.3.18.7 IOBUF_GPIOHSPI
        8. 9.3.18.8 IOBUF_GPIOHSSWD
      19. 9.3.19 Thermal Shutdown
      20. 9.3.20 Oscillators
    4. 9.4 Device Functional Modes
      1. 9.4.1 Boot Code
      2. 9.4.2 Initialization
      3. 9.4.3 I2C Configuration
      4. 9.4.4 Dead-Battery Condition
      5. 9.4.5 Application Code
      6. 9.4.6 Flash Memory Read
      7. 9.4.7 Invalid Flash Memory
      8. 9.4.8 UART Download
    5. 9.5 Programming
      1. 9.5.1 SPI Controller Interface
      2. 9.5.2 I2C Slave Interface
        1. 9.5.2.1 I2C Interface Description
        2. 9.5.2.2 I2C Clock Stretching
        3. 9.5.2.3 I2C Address Setting
        4. 9.5.2.4 Unique Address Interface
        5. 9.5.2.5 I2C Pin Address Setting
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Fully-Featured USB Type-C and PD Charger Application
        1. 10.2.1.1 Design Requirements
          1. 10.2.1.1.1 External FET Path Components (PP_EXT and RSENSE)
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 TPS65982 External Flash
          2. 10.2.1.2.2 I2C (I2C), Debug Control (DEBUG_CTL), and Single-Wire De-bugger (SWD) Resistors
          3. 10.2.1.2.3 Oscillator (R_OSC) Resistor
          4. 10.2.1.2.4 VBUS Capacitor and Ferrite Bead
          5. 10.2.1.2.5 Soft Start (SS) Capacitor
          6. 10.2.1.2.6 USB Top (C_USB_T), USB Bottom (C_USB_B), and Sideband-Use (SBU) Connections
          7. 10.2.1.2.7 Port Power Switch (PP_EXT, PP_HV, PP_5V0, and PP_CABLE) Capacitors
          8. 10.2.1.2.8 Cable Connection (CCn) Capacitors and RPD_Gn Connections
          9. 10.2.1.2.9 LDO_3V3, LDO_1V8A, LDO_1V8D, LDO_BMC, VOUT_3V3, VIN_3V3, and VDDIO
        3. 10.2.1.3 Application Curve
      2. 10.2.2 Dual-Port Notebook Application Supporting USB PD Charging and DisplayPort
        1. 10.2.2.1 Design Requirements
          1. 10.2.2.1.1 Source Power Delivery Profiles for Type-C Ports
          2. 10.2.2.1.2 Sink Power Delivery Profile for Type-C Ports
        2. 10.2.2.2 Detailed Design Procedure
          1. 10.2.2.2.1 TPS65982 and System Controller Interaction
          2. 10.2.2.2.2 HD3SS460 Control and DisplayPort Configuration
          3. 10.2.2.2.3 9.3.2.3 DC Barrel Jack and Type-C PD Charging
          4. 10.2.2.2.4 Primary TPS65982 Flash Controller and Secondary Port
          5. 10.2.2.2.5 TPS65982 Dead Battery Support Primary and Secondary Port
          6. 10.2.2.2.6 Debugging Methods
        3. 10.2.2.3 Application Curves
  11. 11Power Supply Recommendations
    1. 11.1 3.3-V Power
      1. 11.1.1 VIN_3V3 Input Switch
      2. 11.1.2 VOUT_3V3 Output Switch
      3. 11.1.3 VBUS 3.3-V LDO
    2. 11.2 1.8 V Core Power
      1. 11.2.1 1.8 V Digital LDO
      2. 11.2.2 1.8 V Analog LDO
    3. 11.3 VDDIO
      1. 11.3.1 Recommended Supply Load Capacitance
      2. 11.3.2 Schottky for Current Surge Protection
  12. 12Layout
    1. 12.1 Layout Guidelines
      1. 12.1.1  TPS65982 Recommended Footprints
        1. 12.1.1.1 Standard TPS65982 Footprint (Circular Pads)
      2. 12.1.2  Alternate TPS65982 Footprint (Oval Pads)
      3. 12.1.3  Top TPS65982 Placement and Bottom Component Placement and Layout
      4. 12.1.4  Oval Pad Footprint Layout and Placement
      5. 12.1.5  Component Placement
      6. 12.1.6  Designs Rules and Guidance
      7. 12.1.7  Routing PP_HV, PP_EXT, PP_5V0, and VBUS
      8. 12.1.8  Routing Top and Bottom Passive Components
      9. 12.1.9  Void Via Placement
      10. 12.1.10 Top Layer Routing
      11. 12.1.11 Inner Signal Layer Routing
      12. 12.1.12 Bottom Layer Routing
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Development Support
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 接收文档更新通知
    4. 13.4 支持资源
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 术语表
  14. 14Mechanical, Packaging, and Orderable Information

9.3.2.1 Configured as a DFP

When configured as a DFP, the TPS65982 detects when a cable or a UFP is attached using the C_CC1 and C_CC2 pins. When in a disconnected state, the TPS65982 monitors the voltages on these pins to determine what, if anything, is connected. See the USB Type-C Specification for more information.

Table 9-1 shows the high-level detection results. Refer to the USB Type-C Specification for more information.

Table 9-1 Cable Detect States for a DFP
C_CC1C_CC2CONNECTION STATERESULTING ACTION
OpenOpenNothing attachedContinue monitoring both C_CC pins for attach. Power is not applied to VBUS or VCONN until a UFP connect is detected.
RdOpenUFP attachedMonitor C_CC1 for detach. Power is applied to VBUS but not to VCONN (C_CC2).
OpenRdUFP attachedMonitor C_CC2 for detach. Power is applied to VBUS but not to VCONN (C_CC1).
RaOpenPowered Cable/No UFP attachedMonitor C_CC2 for a UFP attach and C_CC1 for cable detach. Power is not applied to VBUS or VCONN (C_CC1) until a UFP attach is detected.
OpenRaPowered Cable/No UFP attachedMonitor C_CC1 for a UFP attach and C_CC2 for cable detach. Power is not applied to VBUS or VCONN (C_CC1) until a UFP attach is detected.
RaRdPowered Cable/UFP AttachedProvide power on VBUS and VCONN (C_CC1) then monitor C_CC2 for a UFP detach. C_CC1 is not monitored for a detach.
RdRaPowered Cable/UFP attachedProvide power on VBUS and VCONN (C_CC2) then monitor C_CC1 for a UFP detach. C_CC2 is not monitored for a detach.
RdRdDebug Accessory Mode attachedSense either C_CC pin for detach.
RaRaAudio Adapter Accessory Mode attachedSense either C_CC pin for detach.

When the TPS65982 is configured as a DFP, a current IH_CC is driven out each C_CCn pin and each pin is monitored for different states. When a UFP is attached to the pin, a pulldown resistance of Rd to GND will exist. The current IH_CC is then forced across the resistance Rd generating a voltage at the C_CCn pin.

When configured as a DFP advertising Default USB current sourcing capability, the TPS65982 applies IH_CC_USB to each C_CCn pin. When a UFP with a pulldown resistance Rd is attached, the voltage on the C_CCn pin will pull below VH_CCD_USB. The TPS65982 can also be configured as a DFP to advertise default (500 mA), 1.5 A and 3 A sourcing capabilities.

When the C_CCn pin is connected to an active cable VCONN (power to the active cable), the pulldown resistance will be different (Ra). In this case, the voltage on the C_CCn pin will pull below VH_CCA_USB/1P5/3P0 and the system will recognize the active cable.

The VH_CCD_USB/1P5/3P0 thresholds are monitored to detect a disconnection from each of these cases respectively. When a connection has been recognized and the voltage on the C_CCn pin rises above the VH_CCD_USB/1P5/3P0 threshold, the system will register a disconnection.
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