TUSB320 is a USB Type-C Configuration Channel Logic and Port Control

This post sponsored by Texas Instruments.

The TUSB320 device enables USB Type-C ports with the configuration channel (CC) logic needed for Type-C ecosystems.

The TUSB320 device uses the CC pins to determine port attach and detach, cable orientation, role detection, and port control for Type-C current mode. It 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.

TI's TUSB320 device 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. It also 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. Finally, the device operates over a wide supply range and has low-power consumption.

The TUSB320 device is available in industrial and commercial temperature ranges. It is backward compatible with USB Type-C specification 1.0 and has a supply voltage of 2.7 to 5 V.

By: Rachel Kalina

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