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SMSC USB3803C Revision 1.0 (07-05-11)
PRODUCT PREVIEW
Data Brief
PRODUCT FEATURES
USB3803
USB 2.0 High-Speed Hub Controller
Optimized for Portable Applications
Features
Integrated USB 2.0 Compatible 3-Port Hub
Advanced power saving features
—1 μA Typical Standby Current
— Port goes into power saving state when no devices are
connected downstream
— Port is shutdown when port is disabled
— Digital core shut down in Bypass and Standby Mode
Provides USB Battery Charger Detection for:
— USB-IF Battery Charging 1.1 compliant Dedicated
Charging Ports (DCP)
— USB-IF Battery Charging 1.1 compliant Charging
Downstream Port (CDP)
— Standard Downstream Port (SDP); ie. USB host or
downstream hub port
— Downstream Hub Ports Support USB-IF Battery
Charging 1.1 as Charging Downstream Port (CDP)
Supports either Single-TT or Multi-TT configurations
for Full-Speed and Low-Speed connections (when
connected to a High-Speed host)
Bypass Switch for low power single port operation
— Battery charging detection using a PMIC
— Stereo and mono/mic audio
— USB1.1 Data
Enhanced configuration options available through
serial I
2
C Slave Port
— VID/PID/DID
— String Descriptors
— Configuration options for Hub
Internal Default configuration option when serial I
2
C
host not available
MultiTRAK
TM
— Dedicated Transaction Translator per port
PortMap
— Configurable port mapping and disable sequencing
PortSwap
— Configurable differential intra-pair signal swapping
PHYBoost
TM
— Programmable USB transceiver drive strength for
recovering signal integrity
VariSense
TM
— Programmable USB receiver sensitivity
flexPWR
®
Technology
— Low current design ideal for battery powered
applications
— Internal supply switching provides low power modes
External 12, 19.2, 26, or 38.4MHz clock input
Internal 3.3V & 1.2V Voltage Regulators for single
supply operation
— External VBAT and 1.8V dual supply input option
Internal Short Circuit protection of USB differential
signal pins
USB Port ESD Protection (DP/DM)
— ±15kV (air discharge)
— ±8kV (contact discharge)
— IEC 61000-4-2 level 4 ESD protection without external
devices
25-pin WLCS (1.95mm x 1.95mm Wafer Level Chip
Scale) Package - 0.4mm ball pitch
Applications
The USB3803 is targeted for applications where more
than one USB port is required. As mobile devices add
more features and the systems become more complex
it is necessary to have more than one USB port to take
communicate with the internal and peripheral devices.
Mobile Phones
Ultra Mobile PCs
Tablet Computers
Digital Still Cameras
Digital Video Camcorders
Gaming Consoles
PDAs
Portable Media Players
GPS Personal Navigation Devices
Media Players/Viewers
