TUSB321AIRWBR Part Information

Details for TUSB321AIRWBR by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs

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Part Description

The TUSB321AI device enables USB Type-C ports with the configuration channel (CC) logic needed for Type-C ecosystems. The TUSB321AI device uses the CC pins to determine port attach and detach, cable orientation, role detection, and port control for Type-C current mode. The TUSB321AI device can be configured as a downstream facing port (DFP), upstream facing port (UFP) or a dual role port (DRP) making it ideal for any application. The TUSB321AI device when configured as a DRP alternates configuration as a DFP or UFP according to the Type-C Specifications. The CC logic block monitors the CC1 and CC2 pins for pullup or pulldown resistances to determine when a USB port has been attached, the orientation of the cable, and the role detected. The CC logic detects the Type-C current mode as default, medium, or high depending on the role detected. VBUS detection is implemented to determine a successful attach in UFP and DRP modes. The device operates over a wide supply range and has low-power consumption. The TUSB321AI device is available in industrial and commercial temperature ranges.

Part Downloads

Part Features

  • Backward Compatible with USB Type-C Specification 1.0
  • Cable Detection and Direction Control for External Switches
  • Channel Configuration (CC) u2013 Attach of USB Port Detection u2013 Cable Orientation Detection u2013 Role Detection u2013 Type-C Current Mode advertisement and detection (Default, Medium, High)
  • Industrial Temperature Range of u201340 to 85u00b0C
  • Low Current Consumption
  • Mode Configuration u2013 Host Only u2013 DFP (Source) u2013 Device Only u2013 UFP (Sink) u2013 Dual Role Port u2013 DRP
  • Supply Voltage: 4.5 V to 5.5 V
  • Supports Up to 3 A of Current Advertisement through dedicated Current Mode pin
  • USB Type-Cu2122 Specification 1.1
  • VBUS Detection
  • VCONN Support for Active Cables

Part Specifications

USB IC Type USB Type-C Configuration Channel Logic and Port Control
USB Standard USB 1.0 1.1
Supply Voltage Min 4.5V
Supply Voltage Max 5.5V
Interface Case Style X2QFN
No. of Pins 12Pins
Data Rate -
No. of Ports 1 Port, 1Ports
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
USB Type Host / Peripheral Controller
RoHS Compliant

Alternative Part Descriptions

  • USB PORT CONTROLLER, TYPE-C, X2QFN-12 | Newark Electronics
  • USB Type-C Configuration Channel Logic and Port Control with VCONN | Texas Instruments

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