Texas Instruments TUSB321AI
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.| Part No. | TUSB321AI |
|---|---|
| Datasheet | TUSB321AI Download |
| Manufacturer |  Texas Instruments |
| Description | USB Type-C Configuration Channel Logic and Port Controller |
| Buy | Stock & Price |
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 Current Consumption
● Industrial Temperature Range of –40 to 85°C 2
APPLICATIONS
● Host, Device, Dual Role PortAPPLICATIONS
● Mobile Phones● Tablets and Notebooks
● USB Peripherals Simplified Schematic VDD ID 3
DESCRIPTION
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.
