FAN3989

FAN3989 — USB/Charger Detection Device with Load Switch November 2008 FAN3989 USB/Charger Detection Device with Load Switch Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ Charger/USB Detection Device with Load Switch Charger/USB Device Detection Flag Over/Under-Voltage Detection Flag Load Switch Output, Up to 1.5A Charge Current VBUS Supply: 2.7V to 20V CON of 1.5pF Package: 8 MLP Description The FAN3989 is a USB-connection-monitoring device used to determine if a standard USB device is connected or a battery changing device is connected. The FAN3989 sets the FLAG1 pin to logic HIGH or LOW as an indicator to the system controller that a standard USB device or a charger is connected to the USB port. The FAN3989 also monitors the VBUS for over- or under-voltage conditions. The FLAG2 pin is set LOW if VBUS is less than 3.3V or greater than 6.0V. The internal LS CTRL (load switch control) pin is set HIGH if VBUS is less than 3.3V or greater than 6.0V, turning off the PMOS switch. The FAN3989 is packaged in a very small 8-lead MLP package suitable for small board space applications, like mobile phones. Applications ƒ ƒ Mobile Phones Handheld Devices Ordering Information Part Number FAN3989MLP8X Operating Temperature Range -40°C to +85°C Eco Status Green Package 8-Lead Molded Leadless Package (MLP) Packing Quantity Method Reel 3000 www.DataSheet4U.com For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. VOUT LS CTRL VBUS ...