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AAT3663 데이터시트(HTML) 1 Page - Advanced Analogic Technologies

부품명 AAT3663
상세내용  1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications
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제조사  ANALOGICTECH [Advanced Analogic Technologies]
홈페이지  http://www.analogictech.com
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AAT3663 데이터시트(HTML) 1 Page - Advanced Analogic Technologies

 
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AAT3663
1A Linear Li-Ion Battery Charger
for Single and Dual Cell Applications
Typical Application
VIN
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
3663.2007.10.1.0
1
BatteryManager
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 operate from USB ports or an AC
adapter inputs up to an input voltage of 13.2V.
AAT3663 precisely regulates battery charge volt-
age and current for 4.2V and 8.4V Li-Ion battery
cells. The battery charging current is user pro-
grammed 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 optimum 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 condition, the
device will automatically shut down, thus protecting
the charger and the battery under charge.
Two status monitor output pins are provided to indi-
cate the battery charge status by directly driving
external LEDs. Additionally, an open-drain power-
source detection 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
temperature 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
Bluetooth™ Headset
Cell Phones
Digital Still Cameras
MP3 Players
Personal Data Assistants (PDAs)
Other Li-Ion Battery Powered Devices


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