U U
FEATURES
s Very Low Power Dissipation: 350mW at 1A s Complete Standalone Pulse Charger for 1-Cell
Lithium-Ion Batteries s Requires No Microcontroller,
MOSFET or
Blocking Diode s Sense Resistor Limits Maximum Current for Safety s Programmable Charge Termination Timer for
Maximum Capacity Charging s ±1% Float
Voltage Accuracy s Near End-of-Charge (C/10) Detection Output s AC Wall Adapter Present Output s Low Battery Drain when Input Supply Is Removed s Automatic Trickle Charge for Low Battery s Automatic Battery Refresh s Thermal Shutdown Protection s Tiny Thermally Enhanced MSOP Package
U APPLICATIO S
s Handheld Computers s Cellular Telephones s Cradle Chargers
LTC4052-4.
2
Lithium-Ion B...