TUSB321 - Texas Instruments

TUSB321 USB Type-C Configuration Channel Logic and Port Controller

The TUSB321 device enables USB Type-C ports with the configuration channel (CC) logic needed for TypeC ecosystems. The TUSB321 device uses the CC pins to determine port attach and detach, cable orientation, role detection, and port control for Type-C current mode. The TUSB321 device can be configured as a downstream facing port (DFP), upstream facing port (U.

Features

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