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USB2422

SMSC
Part Number USB2422
Manufacturer SMSC
Description 2-Port USB 2.0 Hi-Speed Hub Controller
Published Sep 17, 2013
Detailed Description USB2422 2-Port USB 2.0 Hi-Speed Hub Controller PRODUCT FEATURES General Description The SMSC USB2422 hub is a low-power...
Datasheet PDF File USB2422 PDF File

USB2422
USB2422


Overview
USB2422 2-Port USB 2.
0 Hi-Speed Hub Controller PRODUCT FEATURES General Description The SMSC USB2422 hub is a low-power, single transaction translator, hub controller IC with two downstream ports for embedded USB solutions.
The SMSC hub controller can attach to an upstream port as a Hi-Speed and Full-Speed hub or as a Full-Speed only hub.
The SMSC 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 resistors 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.
Datasheet 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    Features                Supports the USB Battery Charging Specification, Revision 1.
1 Fully integrated USB termination and pull-up/pulldown resistors Supports a single external 3.
3 V supply source; internal regulators provide 1.
2 V internal core voltage 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 SMSC 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 package Commercial temperature range support: 0ºC to +70ºC Industrial temperature range support: -40ºC to +85ºC              LCD monitors and TVs Multi-function USB peripherals PC motherboards S...


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