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  Microchip Technology Semiconductor Electronic Components Datasheet  

USB2422 Datasheet

2-Port USB 2.0 Hi-Speed Hub Controller

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USB2422
2-Port USB 2.0 Hi-Speed Hub Controller
General Description
The Microchip USB2422 hub is a low-power, single
transaction translator, hub controller IC with two down-
stream ports for embedded USB solutions. The hub
controller can attach to an upstream port as a Hi-Speed
and Full-Speed hub or as a Full-Speed only hub. The
hub supports Low-Speed, Full-Speed, and Hi-Speed
(when configured as a Hi-Speed hub) downstream
devices on the enabled downstream ports.
All required resistors on the USB ports are integrated
into the hub. This includes all series termination resis-
tors on D+ and D- pins and all required pull-down and
pull-up resistors on D+ and D- pins. The over-current
sense inputs for the downstream facing ports have
internal pull-up resistors.
Features
• Supports the USB Battery Charging Specification,
Revision 1.1
• Fully integrated USB termination and pull-up/pull-
down resistors
• Supports a single external 3.3 V supply source;
internal regulators provide 1.2 V internal core volt-
age
• On-chip driver for 24 MHz crystal resonator or
external 24 MHz clock input
• ESD protection up to 6 kV on all USB pins
• Supports self-powered operation
• The hub contains a built-in default configuration;
no external configuration options or components
are required
• Downstream ports as non-removable ports
• Downstream port power control and over-current
detection on an individual or ganged basis
• Supports compound devices on a port-by-port
basis
• 24-pin SQFN (4x4 mm), RoHS-compliant pack-
age
• Commercial temperature range support:
0ºC to +70ºC
• Industrial temperature range support:
-40ºC to +85ºC
Highlights
• High performance, low-power, small footprint hub
controller IC with two downstream ports
• Fully compliant with the USB 2.0 Specification
• Optimized for minimal bill-of-materials and low-
cost designs
Applications
• LCD monitors and TVs
• Multi-function USB peripherals
• PC motherboards
• Set-top boxes, DVD players, DVR/PVR
• Printers and scanners
• PC media drive bay
• Portable hub boxes
• Mobile PC docking
• Embedded systems
• Gaming consoles
• Cable/DSL modems
• HDD enclosures
• KVM switches
• Server front panels
• Point-of-Sale (POS) systems
• IP telephony
• Automobile/home audio systems
• Thin client terminals
2013 - 2015 Microchip Technology Inc.
DS00001726B-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

USB2422 Datasheet

2-Port USB 2.0 Hi-Speed Hub Controller

No Preview Available !

USB2422
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E-mail at docerrors@microchip.com. We welcome your feedback.
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http://www.microchip.com
You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.
The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).
Errata
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rent devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the
revision of silicon and revision of document to which it applies.
To determine if an errata sheet exists for a particular device, please check with one of the following:
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DS00001726B-page 2
2013 - 2015 Microchip Technology Inc.


Part Number USB2422
Description 2-Port USB 2.0 Hi-Speed Hub Controller
Maker Microchip
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USB2422 Datasheet PDF






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