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UCS1001-3-BP-TR Scheda tecnica(PDF) 1 Page - Microchip Technology |
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UCS1001-3-BP-TR Scheda tecnica(HTML) 1 Page - Microchip Technology |
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1 / 57 page  SMSC UCS1001 Revision 1.4 (07-16-13) DATASHEET Datasheet PRODUCT FEATURES UCS1001-3 UCS1001-4 USB Port Power Controller with Charger Emulation General Description The UCS1001 provides a USB port power switch for precise control of up to 2.5 amperes continuous current with over-current limit (OCL), dynamic thermal management, latch or auto-recovery (low test current) fault handling, selectable active low or high enable, under- and over-voltage lockout, back-drive protection, and back-voltage protection. Split supply support for VS and VDD is an option for low power in system standby states. This gives battery operated applications, like notebook PCs, the ability to detect attachments from a sleep or off state. After the Attach Detection is flagged, the system can decide to wake up and/or provide charging. In addition to power switching and current limiting modes, the UCS1001 will automatically charge a wide variety of portable devices, including USB-IF BC1.2, YD/T-1591 (2009), most Apple® and RIM®, and many others. Nine preloaded charger emulation profiles maximize compatibility coverage of peripheral devices. The UCS1001 is available in a 20-pin QFN 4 mm x 4 mm package. Applications Notebook and Netbook Computers Tablets and E-book readers Desktops and Monitors Docking Stations and Printers AC-DC wall adapters Features Port power switch with two current limit behaviors — 2.9 V to 5.5 V source voltage range — Up to 2.5 A current with 55 m Ω On Resistance — Over-current trip or constant current limiting — Soft turn-on circuitry — Selectable current limit — Dynamic thermal management — Under- and over-voltage lockout — Back-drive, back-voltage protection — Latch or auto-recovery (low test current) fault handling — Selectable active high or low power switch enable — BC1.2 VBUS discharge port renegotiation function Selectable / automatic cycling of USB data line charger emulation profiles — Employs unique method and system for sampling multiple profiles* — UCS1001-3 and UCS1001-4 supports 12W charger emulation — Allows for active cables — USB-IF BC1.2 charging downstream port (CDP) & dedicated charging port (DCP) modes, YD/T-1591, and most Apple and RIM protocols standard — USB 2.0 compliant high-speed data switch (in Pass- through and CDP modes) — Nine preloaded charger emulation profiles for maximum compatibility coverage of peripheral devices Charging Active (UCS1001-3) or Attach Detection (UCS1001-4) open-drain output Ultra low power Sleep state Optional split supply support for VBUS and VDD for low power in system standby states Wake on Attach USB (UCS1001-4) Wide operating temperature range: -40 °C to +85 °C IEC61000-4-2 8 / 15 kV ESD immunity UL recognized and EN/IEC 60950-1 (CB) certified * Unique technology covered under the following US patents pending: 13/109,446; 13/149,529; 13/173,287; 13/233,949; 13/157,282; 12/978,371; 13/232,965. |
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