USB3503 USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications USB Port ESD Protection (DP/DM) Features - 15kV (air and contact discharge) Integrated USB 2.0 Compatible 3-Port Hub. - IEC 61000-4-2 level 4 ESD protection without HSIC Upstream Port external devices Advanced power saving features 25-pin WLCS (1.97mm x 1.97mm Wafer Level - 1 A Typical Standby Current Chip Scale) Package - 0.4mm ball pitch - Port goes into power saving state when no 32-pin SQFN (5.0 mm x 5.0 mm) Package devices are connected downstream - Port is shutdown when port is disabled. Applications - Digital core shut down in Standby Mode The USB3503 is targeted for applications where more Supports either Single-TT or Multi-TT configura- than one USB port is required. As mobile devices add tions for Full-Speed and Low-Speed connections. more features and the systems become more complex Enhanced configuration options available through it is necessary to have more than one USB port to take 2 serial I C Slave Port communicate with the internal and peripheral devices. - VID/PID/DID Mobile Phones - String Descriptors Tablet Computers - Configuration options for Hub. Ultra Mobile PCs Internal Default configuration option when serial Digital Still Cameras 2 I C host not available. Digital Video Camcorders TM MultiTRAK Gaming Consoles - Dedicated Transaction Translator per port. PDAs PortMap Portable Media Players - Configurable port mapping and disable GPS Personal Navigation Devices sequencing. Media Players/Viewers PortSwap - Configurable differential intra-pair signal swapping. TM PHYBoost - Programmable USB transceiver drive strength for recovering signal integrity TM VariSense - 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. 2011-2020 Microchip Technology Inc. DS00001584C-page 1USB3503 TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: