The TUSB320LA and TUSB320HA devices, hereafter
called TUSB320 unless otherwise noted, are Texas Instruments third generation
Type-C configuration channel logic and port controller. The TUSB320 devices
use the CC pins to determine port attach and detach, cable orientation, role detection, and port
control for Type-C current mode. The TUSB320 devices can be configured as a
downstream facing port (DFP), upstream facing port (UFP) or a dual role port (DRP) making them
ideal for any application.
The TUSB320 devices have an alternate 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 devices operate over a wide supply range and have low-power consumption. The
TUSB320 is available in two versions of enable: Active low enable called
TUSB320LA and active high enable called TUSB320HA. The
TUSB320 family of devices are available in industrial temperature ranges.
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