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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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UCS81003AM-C1A Datenblatt(PDF) 1 Page - Microchip Technology |
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UCS81003AM-C1A Datenblatt(HTML) 1 Page - Microchip Technology |
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1 / 108 page  2014 Microchip Technology Inc. DS20005334A-page 1 UCS81003 Features: • Port Power Switch with Two Current Limit Behaviors - 2.9V to 5.5V source voltage range - Up to 3.0A current (2.85A typical) with 55 m on resistance - Overcurrent trip or constant current limiting - Soft turn-on circuitry - Programmable current limit - Dynamic thermal management - Under and overvoltage 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 Universal Serial Bus (USB) Data Line Charger Emulation Profiles - USB-IF BC1.2 Charging Downstream Port (CDP) and Dedicated Charging Port (DCP) modes, Chinese Telecommunications Industry Standard YD/T 1591-2009 and most Apple® Inc. and RIM® protocols standard; others as defined via the SMBus 2.0/I2C™ protocol - Supports 12W charging emulation - USB 2.0 compliant high-speed data switch (in data pass-through, SDP and CDP modes) - Nine preloaded charger emulation profiles for maximum compatibility coverage of the peripheral devices - One custom-programmable charger emulation profile for portable device support for fully host-controlled charger emulation • Supports Active Cables • Self-Contained Current Monitoring and Rationing for Power-Allocation Applications • Low-Power Attach Detection and Open-Drain (A_DET#) Pin • Ultra-Low Power Sleep State • Optional Split Supply Support for VS and VDD for Low-Power in System Standby States • Wake on Attach USB • SMBus 2.0/I2C Communications - Supports block write and read - Multiple SMBus addresses • Wide Operating Temperature Range: -40°C to +85°C • IEC61000-4-2 8/15 kV Electrostatic Discharge (ESD) Immunity Description: The UCS81003 provides a USB port power switch for precise control of up to 3.0A continuous current (2.85A typical) with Overcurrent Limit (OCL), dynamic thermal management, latch or auto-recovery (low-test current) fault handling, selectable active-low or -high enable, under and overvoltage 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 (such as on-board computers) 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 UCS81003 will automatically charge a wide variety of portable devices, including USB-IF BC1.2, YD/T-1591 (2009), most Apple Inc. and RIM, and many others. Nine preloaded charger emulation profiles maximize the compatibility coverage of the peripheral devices. Additionally, a customizable charger emulation profile is available to accommodate unique existing and future portable device handshaking/signature requirements. The UCS81003 also provides current monitoring to allow intelligent management of system power and charge rationing for controlled delivery of current, regardless of the host power state. This is especially important for battery-operated applications that want to provide power and do not want to drain the battery excessively. The UCS81003 is available in a 5 mm x 5 mm 28-pin VQFN package. Applications: • DC Power Socket Replacement • Consumer USB Port Protection • Consumer Device Charging Port • Auxiliary Box Charging Feature • Rear Seat Entertainment Consumer Access Point Automotive USB Port Power Controller with Charger Emulation |
Ähnliche Teilenummer - UCS81003AM-C1A |
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Ähnliche Beschreibung - UCS81003AM-C1A |
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