SMSC USB 2.0 Hub Controller USB2514i Features And Benefits

USB251x Family
High-Performance, Low-Power, Small Footprint USB 2.0 Hub Controller Family for
PC, Embedded and Consumer Applications
SMSC's USB251x is a family of versatile, cost-effective and power-efficient USB 2.0 hub
controllers. Leveraging SMSC's innovative MultiTRAK™ technology that delivers industry-
leading data throughput in mixed-speed USB environments, the USB251x family is designed
for applications that demand low power and a small footprint without compromising on
performance. Well-suited for consumer and mobile applications, all members of the USB251x
family are available in space-saving packages. The common 36-pin package shared among
all USB251x controllers measures only 6x6mm and provides an ultra small footprint for
space-constrained designs while allowing scalable port expansion from two to four ports.
Over 30 programmable features, including SMSC's unique PortMap, PortSwap, TrueSpeed
and PHYBoost are designed to aid system designers in simplifying PCB layout and optimizing
bill-of-material cost.

Highlights

Up to 60% space savings compared to
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previously available devices
40% savings in power consumption vs.
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prior SMSC devices
On-chip ±8KV HBM ESD protection for
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reducing BOM and cost

Target Applications

Mobile PC Docking Stations
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LCD Monitors/TVs
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PC Motherboards
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Gaming Consoles
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Multi-function Printers
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Cable/DSL Modems
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Set-top Boxes
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DVD/CD-ROM/DVR
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Features and Benefits

FEATURES BENEFITS
MultiTRAK Technology Dedicated transaction translator (TT) for EVERY downstream port provides best-in-class performance
PortMap Flexible port mapping and port disable sequence supports multiple-SKU platform designs
PortSwap Programmable USB differential-pair pin locations ease PCB design by aligning USB signal traces directly to connectors
TrueSpeed USB host/device connection speed indicator provides visual feedback on USB Hi/Full/Low-Speed connectivity
PHYBoost Programmable USB transceiver drive strength for recovering signal integrity due to compromised system environment
Footprint compatibility Common pin-out 2/3/4-port hubs in a 36QFN package enables flexible port expansion options without PCB redesign
On-chip Power-on reset (POR) Provides proper power-on reset and saves BOM cost
Integrated 3.3V to 1.8V regulator Only a single 3.3V supply required
Extended operating temperature Available industrial-temp grade SKUs to support systems requiring extended operating temperature of -40° to 85°C
Enhanced OEM configuration - 30+
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programmable options via 12C EEPROM
or SMBUS
Designed to meet -40º to 85ºC industrial-
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temp requirements
Available in 2/3/4-port versions to serve a
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wide range of applications
HDD Enclosures
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Keyboards
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KVM Switches
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Server Front Panels
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Point-of-Sale (POS) Terminals
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IP Telephony
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Automobile/Home Audio Systems
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Industrial
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