See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

RTQ | 56

Temp:

T (-40 to 105)

ECO Plan:

Green (RoHS & no Sb/Br)

TPS65981ABTRTQR


USB Type-C™ and USB PD Controller, Power Switch, and High-Speed Multiplexer

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1000 - 9999 $ 3.40

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Texas Instruments TPS65981ABTRTQR

The TPS65981 device is a stand-alone, USB Type-C, and power-delivery (PD) controller providing cable-plug and orientation detection at the USB Type-C connector. Upon cable detection, the TPS65981 device communicates on the CC wire using the USB PD protocol. When cable detection and USB PD negotiation are complete, the TPS65981 device enables the appropriate power path and configures alternate mode settings for internal and (optional) external multiplexers.

The mixed-signal front end on the CC pins provides default (900 mA), 1.5-A, or 3-A current for Type-C power sources, detects a plug event, determines the USB Type-C cable orientation, and autonomously negotiates USB PD contracts by adhering to the specified biphase-marked coding (BMC) and physical-layer (PHY) protocol.

For all available packages, see the orderable addendum at the end of the data sheet.

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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