USB3803 USB 2.0 High-Speed Hub Controller Optimized for Portable Applications TM VariSense Features - Programmable USB receiver sensitivity Integrated USB 2.0 Compatible 3-Port Hub flexPWR Technology Advanced power saving features: - Low current design ideal for battery powered - 1 A Typical Standby Current applications - Port goes into power saving state when no - Internal supply switching provides low power devices are connected downstream modes - Port is shut down when port is disabled External 12, 19.2, 26, or 38.4 MHz clock input - Digital core shutdown in Bypass and Standby Internal 3.3V & 1.2V Voltage Regulators for single Modes supply operation Provides USB Battery Charger Detection for: - External VBAT and 1.8V dual supply input - USB-IF Battery Charging 1.1 compliant Dedi- option cated Charging Ports (DCP) Internal Short Circuit protection of USB differential - USB-IF Battery Charging 1.1 compliant signal pins Charging Downstream Port (CDP) 5kV HBM ESD Protection - Standard Downstream Port (SDP) that is, 25-pin WLCS (1.95mm x 1.95mm Wafer Level USB host or downstream hub port Chip Scale) Package - 0.4mm ball pitch - Downstream Hub Ports Support USB-IF Bat- tery Charging 1.1 as Charging Downstream Target Applications Port (CDP) The USB3803 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, (when connected to a High-Speed host) it is necessary to have more than one USB port to com- Bypass Switch for low power single port operation municate with internal and peripheral devices. - Battery charging detection using a PMIC Mobile Phones - Stereo and mono/mic audio Ultra Mobile PCs - USB1.1 Data Tablet Computers Enhanced configuration options available through 2 Digital Still Cameras serial I C Slave Port Digital Video Camcorders - VID/PID/DID Gaming Consoles - String Descriptors PDAs - Configuration options for Hub Portable Media Players Internal Default configuration option when serial 2 I C host is not available GPS Personal Navigation Devices TM MultiTRAK Media Players/Viewers - Dedicated Transaction Translator per port PortMap - Configurable port mapping and disable sequencing PortSwap - Configurable differential intra-pair signal swapping PHYBoost - Programmable USB transceiver drive strength for recovering signal integrity 2014-2020 Microchip Technology Inc. DS00001691D-page 1USB3803 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: