Linear Technology LTC3586-2
High Efficiency USB Power Manager
FEATURES
High Efficiency USB Power Manager with Boost, Buck-Boost and Dual BucksDESCRIPTION
Power Manager n High Efficiency Switching PowerPath™ Controller with Bat-Track™ Adaptive Output Control and Instant-On Operation n Programmable USB or Wall Current Limit (100mA/500mA/1A) n Full Featured Li-Ion/Polymer Battery Charger with Float Voltage of 4.2V (LTC3586-2) or 4.1V (LTC3586-3) with 1.5A Maximum Charge Current n Internal 180mΩ Ideal Diode Plus External Ideal Diode Controller Powers Load in Battery Mode n <30µA No-Load Quiescent Current when Powered from BAT DC/DCs n Dual High Efficiency Buck DC/DCs (400mA IOUT) n High Efficiency Buck-Boost DC/DC (1A IOUT) n High Efficiency Boost DC/DC (800mA IOUT) n DC/DC FAULT Output n Compact (4mm × 6mm) 38-Pin QFN PackageAPPLICATIONS
n Portable Medical/Industrial Devices n Other USB-Based Handheld Products The LTC®3586-2/LTC3586-3 are highly integrated power management and battery charger ICs for Li-Ion/Polymer battery applications. They inclu...