TUSB321 Texas instruments

TUSB321

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TUSB321

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Описание

The TUSB321 device enables USB Type-C ports with the configuration channel (CC) logic needed for Type-C 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 (UFP) or a dual role port (DRP) making it ideal for any application.The TUSB321 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.

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)
V_BUS 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

Function	Type-C
USB speed (MBits)	10000
Type	CC controller
Supply voltage (V)	4.5, 5.5
Rating	Catalog
Operating temperature range (°C)	0 to 70