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USB 3.0 Connection

USB 3.0 Hub

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USB 2.0 Device

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USB 3.0

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USB 2.0

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TUSB8020B

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TUSB8020B

SLLSEF6A – JULY 2014 – REVISED JULY 2014

TUSB8020B Two-Port USB 3.0 Hub

1 Features

3 Description

The TUSB8020B is a two-port USB 3.0 compliant

1

•

Two-Port USB 3.0 Compliant Hub, USBIF

hub. It provides simultaneous SuperSpeed USB and

TID#330000057

high-speed/full-speed connections on the upstream

•

USB 2.0 Hub Features

port and provides SuperSpeed USB, high-speed, full-

–

Multi-Transaction Translator (MTT) Hub: Two

speed, or low-speed connections on the downstream

ports. When the upstream port is connected to an

Transaction Translators

electrical environment that only supports high-speed

–

Four Asynchronous Endpoint Buffers Per

or full-speed/low-speed connections, SuperSpeed

Transaction Translator

USB connectivity is disabled on the downstream

•

Supports Battery Charging

ports. When the upstream port is connected to an

electrical

environment

that

only

supports

full-

–

CDP Mode (Upstream Port Connected)

speed/low-speed connections, SuperSpeed USB and

–

DCP Mode (Upstream Port Unconnected)

high-speed

connectivity

are

disabled

on

the

–

DCP Mode Complies With Chinese

downstream ports.

Telecommunications Industry Standard YD/T

The TUSB8020B supports per port or ganged power

1591-2009

switching and overcurrent protection.

•

Support D+/D– Divider Mode

An individually port power controlled hub switches

•

Supports Operation as a USB 3.0 or USB 2.0

power on or off to each downstream port as

Compound Device

requested by the USB host. Also when an individually

•

Per Port or Ganged Power Switching and

port power controlled hub senses an overcurrent

Overcurrent Notification Inputs

event, only power to the affected downstream port

will be switched off.

•

Interface for Custom Configurations:

A

ganged

hub

switches

on

power

to

all

its

–

VID and PID

downstream ports when power is required to be on

for any port. The power to the downstream ports is

–

Port Customizations

not switched off unless all ports are in a state that

–

Manufacturer and Product Strings (not by OTP

allows power to be removed. Also when a ganged

ROM)

hub senses an overcurrent event, power to all

downstream ports will be switched off.

–

Serial Number (not by OTP ROM)

•

Application Feature Selection Using Terminal

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

Interface

TUSB8020B

HTQFP (48)

7.00 mm × 7.00 mm

•

Provides 128-Bit Universally Unique Identifier

(1) For all available packages, see the orderable addendum at

(UUID)

the end of the data sheet.

•

Supports On-Board and In-System OTP/EEPROM

Programming Through the USB 2.0 Upstream

Port

•

Single Clock Input, 24-MHz Crystal or Oscillator

•

No Special Driver Requirements; Works

Seamlessly on any Operating System With USB

Stack Support

•

48-Pin HTQFP Package (PHP)

2 Applications

•

Computer Systems

•

Docking Stations

•

Monitors

•

Set-Top Boxes

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.