ZHCSLY5A August   2020  – July 2021 TPS65994AD

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  Recommended Capacitance
    5. 6.5  Thermal Information
    6. 6.6  Power Supply Characteristics
    7. 6.7  Power Consumption
    8. 6.8  PP_5V Power Switch Characteristics
    9. 6.9  PP_EXT Power Switch Characteristics
    10. 6.10 Power Path Supervisory
    11. 6.11 CC Cable Detection Parameters
    12. 6.12 CC VCONN Parameters
    13. 6.13 CC PHY Parameters
    14. 6.14 Thermal Shutdown Characteristics
    15. 6.15 ADC Characteristics
    16. 6.16 Input/Output (I/O) Characteristics
    17. 6.17 I2C Requirements and Characteristics
    18. 6.18 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
        6. 8.3.1.6 Squelch 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. 8.3.3  Power Paths
        1. 8.3.3.1 Internal Sourcing Power Paths
          1. 8.3.3.1.1  PP_5Vx Current Clamping
          2. 8.3.3.1.2  PP_5Vx Local Overtemperature Shut Down (OTSD)
          3. 8.3.3.1.3  PP_5Vx Current Sense
          4. 8.3.3.1.4  PP_5Vx OVP
          5. 8.3.3.1.5  PP_5Vx UVLO
          6. 8.3.3.1.6  PP_5Vx Reverse Current Protection
          7. 8.3.3.1.7  Fast Role Swap
          8. 8.3.3.1.8  PP_CABLE Current Clamp
          9. 8.3.3.1.9  PP_CABLE Local Overtemperature Shut Down (OTSD)
          10. 8.3.3.1.10 PP_CABLE UVLO
        2. 8.3.3.2 Sink Path Control
          1. 8.3.3.2.1 Overvoltage Protection (OVP)
          2. 8.3.3.2.2 Reverse-Current Protection (RCP)
          3. 8.3.3.2.3 VBUS UVLO
          4. 8.3.3.2.4 Discharging VBUS to Safe Voltage
      4. 8.3.4  Cable Plug and Orientation Detection
        1. 8.3.4.1 Configured as a Source
        2. 8.3.4.2 Configured as a Sink
        3. 8.3.4.3 Configured as a DRP
        4. 8.3.4.4 Fast Role Swap Signal Detection
        5. 8.3.4.5 Dead Battery Advertisement
      5. 8.3.5  Default Behavior Configuration (ADCIN1, ADCIN2)
      6. 8.3.6  ADC
      7. 8.3.7  DisplayPort Hot-Plug Detect (HPD)
      8. 8.3.8  Digital Interfaces
        1. 8.3.8.1 General GPIO
        2. 8.3.8.2 I2C Interface
      9. 8.3.9  Digital Core
      10. 8.3.10 I2C Interface
        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
    4. 8.4 Device Functional Modes
      1. 8.4.1 Pin Strapping to Configure Default Behavior
      2. 8.4.2 Power States
      3. 8.4.3 Thermal Shutdown
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Type-C VBUS Design Considerations
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Type-C Connector VBUS Capacitors
          2. 9.2.1.2.2 VBUS Schottky and TVS Diodes
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Notebook Design Supporting PD Charging
        1. 9.2.2.1 USB and DisplayPort Notebook Supporting PD Charging
          1. 9.2.2.1.1 Design Requirements
          2. 9.2.2.1.2 Detailed Design Procedure
            1. 9.2.2.1.2.1 USB Power Delivery Source Capabilities
            2. 9.2.2.1.2.2 USB Power Delivery Sink Capabilities
            3. 9.2.2.1.2.3 USB and DisplayPort Supported Data Modes
            4. 9.2.2.1.2.4 TUSB1046 Super Speed Mux GPIO Control
        2. 9.2.2.2 Thunderbolt Notebook Supporting PD Charging
          1. 9.2.2.2.1 Design Requirements
          2. 9.2.2.2.2 Detailed Design Procedure
            1. 9.2.2.2.2.1 USB Power Delivery Source Capabilities
            2. 9.2.2.2.2.2 USB Power Delivery Sink Capabilities
            3. 9.2.2.2.2.3 Thunderbolt Supported Data Modes
            4. 9.2.2.2.2.4 I2C Design Requirements
            5. 9.2.2.2.2.5 TS3DS10224 SBU Mux for AUX and LSTX/RX
  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 1.5-V Power
    3. 10.3 Recommended Supply Load Capacitance
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Top TPS65994AD Placement and Bottom Component Placement and Layout
    2. 11.2 Layout Example
    3. 11.3 Component Placement
    4. 11.4 Routing PP_5V, VBUS, VIN_3V3, LDO_3V3, LDO_1V5
    5. 11.5 Routing CC and GPIO
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 第三方产品免责声明
    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
    1. 13.1 Package Option Addendum
      1. 13.1.1 Tape and Reel Information

5 Pin Configuration and Functions

GUID-3AA0901C-2267-408F-85B2-1804FAF60A71-low.gif Figure 5-1 RSL Package48-pin QFNTop View
Table 5-1 Pin Functions
PIN TYPE RESET Description
NAME NO.
ADCIN1 33 I Hi-Z Configuration input. Connect to a resistor divider to LDO_3V3.
ADCIN2 35 I Hi-Z Configuration input. Connect to a resistor divider to LDO_3V3.
GND 36 — — Ground. Connect to ground plane.
GPIO0 45 I/O Hi-Z General purpose digital I/O. Tie to PP5V or ground when unused. May be used as DisplayPort HPD signal for Port B.
GPIO1 38 I/O Hi-Z General purpose digital I/O. Tie to PP5V or ground when unused. May be used as DisplayPort HPD signal for Port A.
GPIO2 9 I/O Hi-Z General purpose digital I/O. Tie to PP5V or ground when unused.
GPIO3 28 I/O Hi-Z General purpose digital I/O. Tie to PP5V or ground when unused.
GPIO4 2 I/O Hi-Z General purpose digital I/O. May be used as an ADC input. Tie to PP5V or ground when unused.
GPIO5 46 I/O Hi-Z General purpose digital I/O. May be used as an ADC input. Tie to PP5V or ground when unused.
GPIO6 29 I/O Hi-Z General purpose digital I/O. Tie to PP5V or ground when unused.
GPIO7 27 I/O Hi-Z General purpose digital I/O. Tie to PP5V or ground when unused.
GPIO8 10 I/O Hi-Z General purpose digital I/O. Tie to PP5V or ground when unused.
GPIO9 8 O Hi-Z General purpose digital output. Tie to PP5V or ground when unused.
I2C_EC_SCL 42 I Hi-Z I2C slave serial clock input. Tie to pullup voltage through a resistor. May be grounded if unused. Connect to Embedded Controller (EC).
I2C_EC_SDA 40 I/O Hi-Z I2C slave serial data. Open-drain input/output. Tie to pullup voltage through a resistor. May be grounded if unused. Connect to Embedded Controller (EC).
I2C_EC_IRQ 43 O Hi-Z I2C slave interrupt. Active low. Connect to external voltage through a pull-up resistor. Connect to Embedded Controller (EC). This can be re-configured to GPIO10. May be grounded if unused.
I2C2s_SCL 41 I Hi-Z I2C slave serial clock input. Tie to pull-up voltage through a resistor. May be grounded if unused.
I2C2s_SDA 44 I/O Hi-Z I2C slave serial data. Open-drain input/output. Tie to pullup voltage through a resistor. May be grounded if unused.
I2C2s_IRQ 39 O Hi-Z I2C slave interrupt. Active low. Connect to external voltage through a pull-up resistor. Tie to PP5V or ground when unused. This can be re-configured to GPIO11.
I2C3m_SCL 1 O Hi-Z I2C master serial clock. Open-drain output. Tie to pullup voltage through a resistor when used or unused.
I2C3m_SDA 48 I/O Hi-Z I2C master serial data. Open-drain input/output. Tie to pullup voltage through a resistor when used or unused.
I2C3m_IRQ 47 I Hi-Z I2C master interrupt. Active low. Connect to external voltage through a pull-up resistor. Tie to PP5V or ground when unused. This can be re-configured to GPIO12.
LDO_1V5 37 O — Output of the CORE LDO. Bypass with capacitance CLDO_1V5 to GND. This pin cannot source current to external circuits.
LDO_3V3 34 O — Output of supply switched from VIN_3V3 or VBUS LDO. Bypass with capacitance CLDO_3V3 to GND.
PA_CC1 31 I/O Hi-Z I/O for USB Type-C and USB PD. Filter noise with recommended capacitor to GND (CPx_CCy).
PA_CC2 30 I/O Hi-Z I/O for USB Type-C and USB PD. Filter noise with recommended capacitor to GND (CPx_CCy).
PA_GATE_VSYS 5 O Hi-Z Connect to the PortA N-ch MOSFET that has source tied to VSYS.
PA_GATE_VBUS 19 O Hi-Z Connect to the N-ch MOSFET that has source tied to PA_VBUS.
PA_VBUS 21,22,23,24 I/O — 5-V to 20-V input or 5-V output from PP5V. Bypass with capacitance CVBUS to GND.
PB_CC1 6 I/O Hi-Z I/O for USB Type-C and USB PD. Filter noise with recommended capacitor to GND (CPx_CCy).
PB_CC2 7 I/O Hi-Z I/O for USB Type-C and USB PD. Filter noise with recommended capacitor to GND (CPx_CCy).
PB_GATE_VSYS 4 O Hi-Z Connect to the Port B N-ch MOSFET that has source tied to VSYS.
PB_GATE_VBUS 18 O Hi-Z Connect to the N-ch MOSFET that has source tied to PB_VBUS.
PB_VBUS 13,14,15,16 I/O — 5-V to 20-V input or 5-V output from PP5V. Bypass with capacitance CVBUS to GND.
PP5V 11,12,17,20,25,26 I — 5-V System Supply to VBUS, supply for Px_CCy pins as VCONN.
VSYS 3 I — High-voltage sinking node in the system. It is used to implement reverse-current-protection (RCP) for the external sinking paths controlled by PA_GATE_VSYS and PB_GATE_VSYS.
VIN_3V3 32 I — Supply for core circuitry and I/O. Bypass with capacitance CVIN_3V3 to GND.