USB 2.0 HSIC High-Speed Hub Controller
Optimized for Portable Applications
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
— Port is shutdown when port is disabled.
— Digital core shut down in Standby Mode
Supports either Single-TT or Multi-TT configurations
for Full-Speed and Low-Speed connections.
Enhanced configuration options available through
serial I2C Slave Port
— String Descriptors
— Configuration options for Hub.
Internal Default configuration option when serial I2C
host not available.
— Dedicated Transaction Translator per port.
— Configurable port mapping and disable sequencing.
— Configurable differential intra-pair signal swapping.
— Programmable USB transceiver drive strength for
recovering signal integrity
— Programmable USB receiver sensitivity
— Low current design ideal for battery powered
— Internal supply switching provides low power modes
External 12, 19.2, 24, 25, 26, 27, 38.4, or 52 MHz
Internal 3.3V & 1.2V Voltage Regulators for single
— External VBAT and 1.8V dual supply input option
Internal Short Circuit protection of USB differential
USB Port ESD Protection (DP/DM)
— ±15kV (air and contact discharge)
— IEC 61000-4-2 level 4 ESD protection without external
25-pin WLCS (1.97mm x 1.97mm Wafer Level Chip
Scale) Package - 0.4mm ball pitch
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.
Ultra Mobile PCs
Digital Still Cameras
Digital Video Camcorders
Portable Media Players
GPS Personal Navigation Devices
Revision 1.0 (10-24-11)
Datasheet pdf - http://www.DataSheet4U.net/