USB3503 Datasheet, PDF (1/73 Pages) SMSC Corporation – USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications

USB3503
USB 2.0 HSIC High-Speed Hub Controller Optimized
for Portable Applications
Features
• Integrated USB 2.0 Compatible 3-Port Hub.
• HSIC Upstream Port
• 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 Standby Mode
• Supports either Single-TT or Multi-TT configura-
tions for Full-Speed and Low-Speed connections.
• Enhanced configuration options available through
serial I²C Slave Port
- VID/PID/DID
- String Descriptors
- Configuration options for Hub.
• Internal Default configuration option when serial
I²C 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, 24, 25, 26, 27, 38.4, or 52 MHz
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 and contact discharge)
- IEC 61000-4-2 level 4 ESD protection without
external devices
• 25-pin WLCS (1.97mm x 1.97mm Wafer Level
Chip Scale) Package - 0.4mm ball pitch
• 32-pin SQFN (5.0 mm x 5.0 mm) Package
Applications
The USB3503 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
• Tablet Computers
• Ultra Mobile PCs
• Digital Still Cameras
• Digital Video Camcorders
• Gaming Consoles
• PDAs
• Portable Media Players
• GPS Personal Navigation Devices
• Media Players/Viewers
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