AIC1790的特性及应用

AIC1790的特性及应用
1 Cell Linear Lithium-Ion Battery ChargerEM>

FEATURES
Complete Linear Charger for 1 Cell Lithium-Ion Battery.
Ideal for Low-Dropout Designs for Single-Cell Li-ion or Li-Pol Packs in Space Limited Applications.
No External MOSFET, Sense Resistor or Block-ing Diode Required.
Up to 1000mA Charge Current.
Reverse Leakage Protection Prevents Battery Drainage.
Integrated Current and Voltage Regulation.
Charge Termination by 1/10 Full Charge Current.
Precharge With Safety Timer.
Status Outputs for LED or System Interface Indi-cates Charge and Fault Conditions.
Battery Insertion and Removal Detection.
Available in Tiny Thermally Enhanced MSOP10 Exposed Pad Package.

APPLICATIONS
Cellular Phones
Handheld Devices
Digital Still Cameras
MP3 Players
PDAs
Charging Docks and Cradles
USB Chargers

DESCRIPTION
The AIC1790 is highly integrated Li-ion and Li-Pol linear charge devices targeted at space limited portable applications. It offers integrated power MOSFET and current sensor, reverse blocking protection, high accuracy current and voltage regu-lation, charge status, and charge termination, in a small package.

The AIC1790 charges the battery in three phases, precharge, constant current and constant voltage. Charge is terminated based>

AIC1790 datasheet