DESCRIPTION
Fully Integrated High Current Lithium-Ion Battery Charger System FEATURES
K Fully integrated charger with FET pass transistor, K K K K K K K K K K K K K K K K K K K K K K K K K reverse-blocking diode, sense resistor and thermal protection 4.1V, 4.2V & Adjustable Output Voltage Programmable precharge, fastcharge & termination current Battery voltage controlled to 1% accuracy Soft-start for step load and adaptor plug-in Up to 1.5A continuous charge current Charge current monitor output from microcontroller or ADC Interface Input voltages range from 4.2V to 14V 0.1µA Battery leakage in shutdown and monitor modes Operates without a battery in regulated LDO mode Small 4mm x 4mm 16 lead MLP package °C/watt Low thermal impedance of 50° Few external components Over current protection in all charging modes Over voltage protection All outputs able to drive LEDs and interface to host processor Remote Kelvin sensing at the battery terminal Small input & output filter capacitors Status...
Semtech Corporation
