HD3SS3220IRNHT.A中文资料德州仪器数据手册PDF规格书

1 Features

• USB Type-C Port Controller with Integrated 2:1

SuperSpeed Mux

• Compatible to USB Type-C™ Specifications

• Supports USB 3.1 G1 and G2 up to 10Gbps

• Supports up to 15W of Power Delivery with 3A

Current Advertisement and Detection

• 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 (Default, Mid, High)

• V(BUS) Detection and VCONN Support for Active

Cables

• Audio and Debug Accessory Support

– HD3SS3220 - Audio and Debug(UFP/DFP/

DRP) Support

– HD3SS3220L - No Audio Accessory, Debug

Accessory only as UFP

• Supports for Try.SRC and Try.SNK DRP Modes

• Configuration Control through GPIO and I2C

• Low Active and Standby Current Consumptions

• Industrial Temperature Range of –40 to 85°C

2 Applications

• USB Host, Device, Hub

• Mobile Phones, Tablets and Notebooks

• USB Peripherals such as Thumb Drives, Portable

Hard Disks, Set Top Box

3 Description

HD3SS3220 is a USB SuperSpeed (SS) 2:1 mux with

DRP port controller. The device provides Channel

Configuration (CC) logic and 5V VCONN sourcing

for ecosystems implementing USB Type-C. The

HD3SS3220 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 HD3SS3220, in DRP mode, alternates presenting

itself as a DFP or UFP according to the Type-C

specifications. The CC logic block monitors the CC1

and CC2 pins for pull-up or pull-down resistances to

determine when a USB port has been attached and

its port role. Once a USB port has been attached,

the CC logic also determines the orientation of the

cable and configures the USB SS mux accordingly.

Finally, CC logic advertises or detects Type-C current

mode – Default, Mid, or High in DFP and UFP modes

respectively.

Excellent dynamic characteristics of the integrated

mux allow switching with minimum attenuation to the

SS signal eye diagram and very little added jitter.

The device’s switch paths deploy adaptive common

mode voltage tracking resulting identical channel

despite different common mode voltage for RX and

TX channels.