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SC8921 DESCRIPTION:
    The SC8921 is a highly integrated switch-mode boost charger for two cell Li-ion battery applications. It is able to step up 4.5V~5.5V input voltage to up to 16V, and provide battery charge management functions including trickle charge,constant current charge, constant voltage charge, charge termination and charging status indication.

    The SC8921 supports flexible charge current option, and the user can program the current freely through external resistor for different applications. With the charger management function, the IC can be used to charge 2 cell Li-ion battery.

    The SC8921 supports 2A input current limit, input under voltage and over voltage protections, internal cycle by cycle current limit, battery short circuit protection, and output over voltage protection. It also offers charging safety timer and over temperature protection to ensure safety under different abnormal conditions.

    The SC8921 is available in ESOP8L package.

Integrated Synchronous Boost Charger

Charging Management (Trickle Charge / Constant

Current Charge / Constant Voltage Charge / Charge Termination)

Programmable Constant Charge Current

Selectable Constant Voltage

Charge Status Indication

Charge Safety Timer

2A Input Current Limit

Adaptive Input Current Limit

Input Under Voltage and Over Voltage Protection

Battery Short Circuit Protection

Short circuit protection for VBAT output

Thermal Shutdown

Blue tooth speaker charger

E-cigarette charger

E-joy charger

LI-ion battery charger

POS machine

Part Number	Package	Dimension
SC8921SDER	ESOP8L	5 mm x 6 mm x 1.5 mm

SC892 Typical Application Circuit: