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AAT3663 Datasheet(PDF) 1 Page - Advanced Analogic Technologies |
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AAT3663 Datasheet(HTML) 1 Page - Advanced Analogic Technologies |
1 / 23 page AAT3663 1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications BatteryManager TM PRODUCT DATASHEET 3663.2008.01.1.2 1 www .analogictech.com General Description The AAT3663 BatteryManager™ is a member of AnalogicTech’s Total Power Management IC™ family. This device is an integrated single/dual cell Lithium-Ion (Li-Ion) / polymer battery charger IC designed to oper- ate from USB ports or an AC adapter inputs up to an input voltage of 13.2V. AAT3663 precisely regulates battery charge voltage and current for 4.2V and 8.4V Li-Ion battery cells. The bat- tery charging current is user programmed up to 1A by an external resistor. Battery charge state is continuously monitored for fault conditions. A Digital Thermal Loop Control maintains the maximum possible battery charging current for the opti- mum set of input to output power dissipation and ambient temperature conditions. In the event of an over-current, over-voltage, short-circuit, or over-temperature fault con- dition, the device will automatically shut down, thus pro- tecting the charger and the battery under charge. Two status monitor output pins are provided to indicate the battery charge status by directly driving external LEDs. Additionally, an open-drain power-source detec- tion output (ADPP#) is provided to report presence of an input power supply The AAT3663 is available in a thermally enhanced, space-saving, 14-pin 3x3 mm TDFN package and is specified for operation over the -40°C to +85°C tem- perature range. Features • 4.0V ~ 13.2V Input Voltage Range • Compatible with USB or AC Adapter Sources • Programmable Fast Charge Current from 100mA to 1A • Programmable Charge Termination Current • Digital Thermal Loop Charge Reduction • Less Than 0.4μA Battery Leakage Current • Programming Charge Timer • Battery Temperature Sensing • Battery Temp Sense Open Circuit Detection • Automatic Recharge Sequencing • Automatic Trickle Charge for Battery Pre-Conditioning • Automatic Charge Termination Shutdown/Sleep Mode • Less than 1μA Shutdown Current • Over-Voltage and Over-Current Protection • Power On Reset and Soft Start • 3x3mm 14-pin TDFN Package Applications • Digital Still Cameras • Global Positioning Systems (GPS) • Point Of Service (POS) Terminals • Portable DVD Players • Portable Media Players (PMP) • Two Way Radios Typical Application V IN RTERM ADPP# ON/OFF EN TERM GND BAT STAT2 RSET ISET IN STAT1 CT 10μF BATT- Battery Pack BATT+ - TEMP C T TS BATS AAT3663 |
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