ACT3780QY-T中文資料ACTIVE-SEMI數(shù)據(jù)手冊PDF規(guī)格書

GENERAL DESCRIPTION

The ACT3780 is a complete battery-charging and system power management solution for portable hand-held equipment using single-cell Lithium based batteries. The ACT3780 incorporates Active Semis proprietary ActivePath architecture which automatically selects the best available input supply for the system.

FEATURES

? ActivePathTM System Power Selection of Best Available Input Supply

? 50m? Battery Switch for Highest Efficiency

? Dynamic Control of Charging Current Allowing System to Draw Maximum Load from AC/USB Input

? ±0.5 Battery Charge Voltage Accuracy

? Up to 12V Input with Over Voltage Protection

? Thermal Regulation for Charge Control

? Charge Status Outputs for LED or System Interface

? Battery Voltage Level Indication

? Programmable Fast Charge Current

? Programmable Charging Timer

? Low Reverse Leakage Current

? Short-Circuit and Thermal Protection

? Preconditioning for Deeply Depleted Battery

? Low Quiescent Current Standby Mode

? Space-Saving, Thermally-Enhanced

? TQFN44-20 Packages

APPLICATIONS

? Personal Navigation Devices

? Smart Mobile Phones

? Blue-Tooth Devices

? Portable Media Players

? Portable Devices