XS5822 General Description：
The XS5822 is a Complete Constant-Current Constant-Voltage Boost Charger for two/Three/Four cell Li-Ion batteries. It’s small footprint and low external component count make XS5822 especially suitable for portable applications. The charge voltage is fixed by R1/R2 and the charge current can be programmed externally with a single resistor. The XS5822 implements BAT over-voltage protection and thermal shutdown. The XS5822 is available in a space saving ESOP-8 Package.
XS5822 Features:
Programmable Charge Current Up to 2000mA
Programmable Charge Voltage with VSET pin Supports 2-cell or 3-cell or 4-cell;
Trickle Current / Constant Current / Constant Voltage Charging mode with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating;
4V to 5.5V Operating Input Range;
Automatic Recharge;
Integrated 60mΩ Power MOSFET
1.0MHz Fixed Switching Frequency
Thermal Shutdown Protection
One LED Show the Charge States
Charging---Green LED ON
Fully Charged---Green LED OFF
ESOP8 Package
XS5822 Package Information:
XS5822 Ordering Information:
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