SLVAFZ1 May   2025 TPS25751 , TPS26750

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2VIF Overview
    1. 2.1 VIF Generation using TI's Application Customization Tool
    2. 2.2 USB-IF VIF Editor Tool
  6. 3Compliance-related JSON Configuration
  7. 4VIF Editor Specific Tabs
  8. 5TI Register Mapping to VIF Fields
    1. 5.1  Product and Product Details
    2. 5.2  Component
    3. 5.3  General PD
    4. 5.4  PD Capabilities
    5. 5.5  USB Type-C
    6. 5.6  Product Power
    7. 5.7  USB Host and USB Device
    8. 5.8  Battery Charging 1.2
    9. 5.9  PD Source
    10. 5.10 PD Sink
    11. 5.11 Dual Role
    12. 5.12 SOP Discover ID
  9. 6Summary
  10. 7References

5.10 PD Sink

VIF Editor PD Sink Tab Figure 5-11 VIF Editor PD Sink Tab
Table 5-17 PD Sink Tab
VIF Field Description

PD_Power_As_Sink

Set based on transmit sink capabilities (0x33)

  • Calculate the sink power in milliwatts (mW) from the largest Sink PDO.

No_USB_Suspend_Can_Be_Set

Set based on autonegotiate sink (0x37)

  • No USB suspend [1]

Higher_Capability_Set

Set based on transmit sink capabilities (0x33)

  • Sink PDO 1
    • Higher capability [36]

EPR_Supported_As_Snk

Set based on transmit sink capabilities (0x33)

  • TX sink Num Valid EPR PDOs [5:3]

Yes if EPR sink is supported and TX sink Num Valid EPR PDOs is non-zero.

GiveBack_Can_Be_Set

Default set to NO and must not be modified.

FR_Swap_Reqd_Type_C_Current_As_Initial_Source

Default set to NO and must not be modified.

Not Supported by TPS25751 or TPS26750.

Num_Snk_PDOs

Set based on transmit sink capabilities (0x33)

  • Number valid PDOs [2:0]
Note: This field only applies for SPR PDOs. EPR PDOs do not apply towards this field.
Table 5-18 PD Sink Tab - Supply Type: Fixed
PDO Type: Fixed Supply
VIF Field Description

Snk_PDO_Supply_Type

Set based on transmit sink capabilities (0x33)

  • PDO
    • Supply type [31:30]

Snk_PDO_Voltage

Set based on transmit sink capabilities (0x33)

  • PDO
    • Voltage [19:10]

Snk_PDO_Op_Current

Set based on transmit sink capabilities (0x33)

  • PDO
    • Operating current [9:0]
Table 5-19 PD Sink Tab - Supply Type: Battery
PDO Type: Battery Type
VIF Field Description

Snk_PDO_Supply_Type

Set based on transmit sink capabilities (0x33)

  • PDO
    • Supply type [31:30]

Snk_PDO_Op_Power

Set based on transmit sink capabilities (0x33)

  • PDO
    • Maximum power [9:0]

Snk_PDO_Min_Voltage

Set based on transmit sink capabilities (0x33)

  • PDO
    • Minimum voltage [19:10]

Snk_PDO_Max_Voltage

Set based on transmit sink capabilities (0x33)

  • PDO
    • Maximum voltage [29:20]
Table 5-20 PD Sink Tab - Supply Type: Variable
PDO Type: Variable Type
VIF Field Description

Snk_PDO_Supply_Type

Set based on transmit sink capabilities (0x33)

  • PDO
    • Supply type [31:30]

Snk_PDO_Op_Current

Set based on transmit sink capabilities (0x33)

  • PDO
    • Maximum current [9:0]

Snk_PDO_Min_Voltage

Set based on transmit sink capabilities (0x33)

  • PDO
    • Minimum voltage [19:10]

Snk_PDO_Max_Voltage

Set based on transmit sink capabilities (0x33)

  • PDO
    • Maximum voltage [29:20]
Table 5-21 PD Sink Tab - Supply Type: SPR PPS

PDO Type: APDO

APDO Type: Programmable Power Supply (SPR)
VIF Field Description

Snk_PDO_Supply_Type

Set based on transmit sink capabilities (0x33)

  • PDO
    • Supply type [31:30]

Snk_PDO_APDO_Type

Set based on transmit sink capabilities (0x33)

  • PDO
    • APDO type [29:28]

Snk_PDO_Op_Current

Set based on transmit sink capabilities (0x33)

  • PDO
    • Maximum current [6:0]

Snk_PDO_Min_Voltage

Set based on transmit sink capabilities (0x33)

  • PDO
    • Minimum voltage [15:8]

Snk_PDO_Max_Voltage

Set based on transmit sink capabilities (0x33)

  • PDO
    • Maximum voltage [24:17]
Table 5-22 PD Sink Tab - Supply Type: EPR AVS

PDO Type: APDO

APDO Type: EPR Adjustable Voltage Supply (EPR AVS)
VIF Field Description

Snk_PDO_Supply_Type

Set based on transmit sink capabilities (0x33)

  • PDO
    • Supply type [31:30]

Snk_PDO_APDO_Type

Set based on transmit sink capabilities (0x33)

  • PDO
    • EPR adjustable voltage supply [29:28]

Src_PDO_Min_Voltage

Set based on transmit sink capabilities (0x33)

  • PDO
    • Minimum voltage [15:8]

Src_PDO_Max_Voltage

Set based on transmit sink capabilities (0x33)

  • PDO
    • Maximum voltage [25:17]

Src_PDO_PDP_Rating

Set based on transmit sink capabilities (0x33)

  • PDO
    • PDP [7:0]