Datenblatt-Suchmaschine für elektronische Bauteile |
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UCS1001-4 Datenblatt(PDF) 8 Page - SMSC Corporation |
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UCS1001-4 Datenblatt(HTML) 8 Page - SMSC Corporation |
8 / 57 page USB Port Power Controller with Charger Emulation Datasheet Revision 1.4 (07-16-13) 8 SMSC UCS1001 DATASHEET Chapter 1 Terms and Abbreviations APPLICATION NOTE: The M1, M2, PWR_EN, and EM_EN pins are referenced in text as the <pin name> control. Table 1.1 Terms and Abbreviations TERM / ABBREVIATION DESCRIPTION Active mode Active power state operation mode: Data Pass-through, BC1.2 SDP, BC1.2 CDP, BC1.2 DCP, or Dedicated Charger Emulation Cycle. attachment The physical insertion of a portable device into a USB port that UCS1001 is controlling. CC Constant current CDM Charged Device Model. JEDEC model for characterizing susceptibility of a device to damage from ESD. CDP or USB-IF BC1.2 CDP Charging downstream port. The combination of the UCS1001 CDP handshake and an active standard USB host comprises a CDP. This enables a BC1.2 compliant portable device to simultaneously draw current up to 1.5 A while data communication is active. The USB high-speed data switch is closed in this mode. charge enable When a charger emulation profile has been accepted by a portable device and charging commences. charger emulation profile Representation of a charger comprised of DPOUT, DMOUT, and VBUS signalling which make up a defined set of signatures or handshaking protocols. connection USB-IF term which refers to establishing active USB communications between a USB host and a USB device. current limiting mode Determines the action that is performed when the IBUS current reaches the ILIM threshold. Trip opens the port power switch. Constant current (variable slope) allows VBUS to be dropped by the portable device. DCE Dedicated charger emulation. Charger emulation in which the UCS1001 can deliver power only. No active USB data communication is possible when charging in this mode. DCP or USB-IF BC1.2 DCP Dedicated Charging Port. This functions as a dedicated charger for a BC1.2 portable device. This allows the portable device to draw currents up to 1.5 A with constant current limiting (and beyond 1.5 A with trip current limiting). No USB communications are possible. DC Dedicated charger. A charger which inherently does not have USB communications, such as an A/C wall adapter. disconnection USB-IF term which refers to the loss of active USB communications between a USB host and a USB device. dynamic thermal management The UCS1001 automatically adjusts port power switch limits and modes to lower internal power dissipation when the thermal regulation temperature value is approached. enumeration A USB-specific term that indicates that a host is detecting and identifying USB devices. handshake Application of a charger emulation profile that requires a response. Two-way communication between the UCS1001 and the portable device. HBM Human Body Model. HSW High-speed switch. |
Ähnliche Teilenummer - UCS1001-4 |
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Ähnliche Beschreibung - UCS1001-4 |
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