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TPS65981

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USB Type-C® and USB-C® Power Delivery controller, power switch, and high-speed multiplexer

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Data sheet

TPS65981

ACTIVE
Data sheet Order now

Product details

Function Type-C Type PD controller Power role DRP, Sink, Source Alternate mode Yes External power-path control NFET Data role DFP, DRD, UFP Internal power path 20 V 3 A, 5 V 3 A USB speed (Mbps) 480 Rating Catalog Dead battery support Yes Operating temperature range (°C) -40 to 105
Function Type-C Type PD controller Power role DRP, Sink, Source Alternate mode Yes External power-path control NFET Data role DFP, DRD, UFP Internal power path 20 V 3 A, 5 V 3 A USB speed (Mbps) 480 Rating Catalog Dead battery support Yes Operating temperature range (°C) -40 to 105
VQFN (RTQ) 56 64 mm² 8 x 8
  • This device is certified by the USB-IF for PD2.0
    • PD2.0 is no longer certifiable on new designs as of June 2020
    • All new designs requiring certification should use a PD3.0 compliant device
    • Article on PD2.0 vs PD3.0
  • Fully configurable USB PD controller
    • Control for external DC/DC supplies through GPIO
    • Port data multiplexer
      • USB 2.0 HS data and low speed endpoint
      • Sideband-use data for alternate modes
    • GUI tool to easily configure TPS65981 for various applications
    • Support for DisplayPort alternate mode
    • Supports industrial temperature range
    • For a more extensive selection guide and getting started information, please refer to www.ti.com/usb-c and E2E guide
  • Integrated fully managed power paths:
    • Integrated 5-V, 3-A, 55-mΩ sourcing switch
    • Integrated 5-V to 20-V, 3-A, 95-mΩ bi-directional load switch
    • Gate Control and current sense for external 5-V to 20-V, 5-A bidirectional switch (back-to back NFETs)
    • UL2367 cert#: E169910-20150728
  • Integrated robust power path protection
    • Integrated reverse current protection, undervoltage protection, overvoltage protection, and slew rate control the high-voltage bi-directional power path
    • Integrated undervoltage and overvoltage protection and current limiting for inrush current protection for the 5-V/3-A source power path
  • USB Type-C Power Delivery (PD) controller
    • 8 configurable GPIOs
    • BC1.2 charging support
    • USB PD 2.0 certified
    • USB Type-C specification certified
    • Cable attach and orientation detection
    • Integrated VCONN switch
    • Physical layer and policy engine
    • 3.3-V LDO output for dead battery support
    • Power supply from 3.3 V or VBUS source
    • 1 I2C primary port
    • 1 I2C secondary port
  • This device is certified by the USB-IF for PD2.0
    • PD2.0 is no longer certifiable on new designs as of June 2020
    • All new designs requiring certification should use a PD3.0 compliant device
    • Article on PD2.0 vs PD3.0
  • Fully configurable USB PD controller
    • Control for external DC/DC supplies through GPIO
    • Port data multiplexer
      • USB 2.0 HS data and low speed endpoint
      • Sideband-use data for alternate modes
    • GUI tool to easily configure TPS65981 for various applications
    • Support for DisplayPort alternate mode
    • Supports industrial temperature range
    • For a more extensive selection guide and getting started information, please refer to www.ti.com/usb-c and E2E guide
  • Integrated fully managed power paths:
    • Integrated 5-V, 3-A, 55-mΩ sourcing switch
    • Integrated 5-V to 20-V, 3-A, 95-mΩ bi-directional load switch
    • Gate Control and current sense for external 5-V to 20-V, 5-A bidirectional switch (back-to back NFETs)
    • UL2367 cert#: E169910-20150728
  • Integrated robust power path protection
    • Integrated reverse current protection, undervoltage protection, overvoltage protection, and slew rate control the high-voltage bi-directional power path
    • Integrated undervoltage and overvoltage protection and current limiting for inrush current protection for the 5-V/3-A source power path
  • USB Type-C Power Delivery (PD) controller
    • 8 configurable GPIOs
    • BC1.2 charging support
    • USB PD 2.0 certified
    • USB Type-C specification certified
    • Cable attach and orientation detection
    • Integrated VCONN switch
    • Physical layer and policy engine
    • 3.3-V LDO output for dead battery support
    • Power supply from 3.3 V or VBUS source
    • 1 I2C primary port
    • 1 I2C secondary port

The TPS65981 is a highly integrated stand-alone USB Type-C and Power Delivery (PD) controller optimized for notebook applications. The TPS65981 integrates fully managed power paths with robust protection for a complete USB-C PD solution. The TPS65981 integrates a high speed multiplexer which is dependent the USB Type-C cable orientation that the CC pins provide. The multiplexer passes through side-band use data for alternate modes. The TPS65981 has a QFN package for reliable manufacturing with 0.5-mm Pitch and 2-Layer PCB compatibility and has an extended (industrial) temperature range. The TPS65981 is USB PD 2.0 certified which is no longer certifiable through USB IF.

The port-power switch provides up to 3 A downstream at 5 V for legacy and Type-C USB power. An additional bidirectional switch path provides USB PD power up to 3 A at a maximum of 20 V as either a source (host), sink (device), or source-sink.

The TPS65981 device is also an upstream-facing port (UFP), downstream-facing port (DFP), or dual-role port for data. The port-data multiplexer passes data to or from the top or bottom D+/D– signal pair at the port for USB 2.0 HS and has a USB 2.0 low-speed endpoint. Additionally, the sideband-use (SBU) signal pair is used for auxiliary or alternate modes of communication (DisplayPort, for example).

The power-management circuitry uses 3.3 V inside the system and also uses VBUS to start up and negotiate power for a dead-battery or no-battery condition.

The TPS65981 is a highly integrated stand-alone USB Type-C and Power Delivery (PD) controller optimized for notebook applications. The TPS65981 integrates fully managed power paths with robust protection for a complete USB-C PD solution. The TPS65981 integrates a high speed multiplexer which is dependent the USB Type-C cable orientation that the CC pins provide. The multiplexer passes through side-band use data for alternate modes. The TPS65981 has a QFN package for reliable manufacturing with 0.5-mm Pitch and 2-Layer PCB compatibility and has an extended (industrial) temperature range. The TPS65981 is USB PD 2.0 certified which is no longer certifiable through USB IF.

The port-power switch provides up to 3 A downstream at 5 V for legacy and Type-C USB power. An additional bidirectional switch path provides USB PD power up to 3 A at a maximum of 20 V as either a source (host), sink (device), or source-sink.

The TPS65981 device is also an upstream-facing port (UFP), downstream-facing port (DFP), or dual-role port for data. The port-data multiplexer passes data to or from the top or bottom D+/D– signal pair at the port for USB 2.0 HS and has a USB 2.0 low-speed endpoint. Additionally, the sideband-use (SBU) signal pair is used for auxiliary or alternate modes of communication (DisplayPort, for example).

The power-management circuitry uses 3.3 V inside the system and also uses VBUS to start up and negotiate power for a dead-battery or no-battery condition.
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* Data sheet TPS65981 USB Type-C® and USB PD Controller, Power Switch, and High Speed Multiplexer datasheet (Rev. C) PDF | HTML 06 Aug 2021

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