UC2501 原厂规格书.pdf

UC2501 USB Charger Emulator with Adjustable Power Switch FEATURES DESCRIPTION  45 mΩ High-Side MOSFET The UC2501 integrated USB charger emulators with  1.0~4.0 A (typ.) Adjustable Current Limit automatic host charger identification circuitry and high  Low Average Current in OUT shorted GND performance adjustable current limiting power switch. An  Support Apple® Devices fast charging automatic USB charger identification circuit allows (Apple® 2.1A / 2.4A mode) mobile power supply can automatically provides the  Support Samsung Galaxy Tab Devices fast correct modes on the data lines to charger compliant Charging devices among the Apple, Samsung and BC1.2 modes.  Support BC1.2 YD/T 1591-2009 Charging Spec The UC2501 is a 45mΩ power switch intended for  Built-in Soft-Start applications where heavy capacitive loads and  Support single layer PCB layout. short-circuits are likely to be encountered. This also  4.5 ~ 6.5V Single Supply Operation. provides hiccup mode when OUT voltage is less than  Available EMSOP8, ESOP8 package. 2.85V or OTSD. APPLICATIONS The UC2501 provides an ENB pin to turn on or turn off UC2501 and an SEL pin to select 10W or 12W mode in  USB Charger application.  USB Wall Adapter  Car Charger PACKAGE AND APPLICATION ORD