Features

• UCS1003-1/2/3 USB Port Power Contoller with Charger Emulation. The UCS1003 family of devices from Microchip is a range USB Port Power Switches that offer precise power control. These devices offer the option of split supply support for V S and V DD for low power in system standby states. In battery operated applications the device can detect attachments from a Sleep or an Off state. After the Attach Detection is flagged, the system can decide to wake-up and/or provide charging. Included is the capability to automatically charge a wide range of portable/peripheral devices; nine emulation profiles maximise the compatibility coverage offered. Features. Port Power Switch with Two Current Limit Behaviours 2.9V to 5.5V Source Voltage Range Up to 3.0A Current (2.85A typical) with 55mΩ On Resistance Over-Current Trip or Constant Current Limiting Soft Turn-On Circuitry Selectable Current Limit Dynamic Thermal Management Under-Voltage and Over-Voltage Lockout Back-Drive, Back-Voltage Protection Latch or Auto-Recovery (Low-Test Current) Fault Handling Selectable Active-High or Active-Low Power Switch Enable BC 1.2V BUS Discharge Port Renegotiation Function Selectable/Automatic Cycling of 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., Samsung and RIM® Protocols 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 Supports Active Cables Ultra-Low Power Sleep State Optional Split Supply Support for V S and V DD for Low Power in System Standby States. Typical Applications. Notebook/Laptop Computers Tablets and E-book Readers Desktops and Monitors Docking Stations Printers AC/DC Wall Adapter