800mA Standalone Linear Li-Ion Battery Charger
Preliminary Datasheet LP4060
800mA Standalone Linear Li-Ion Battery Charger with Thermal Regulation in SOT23-5
General...
Description
Preliminary Datasheet LP4060
800mA Standalone Linear Li-Ion Battery Charger with Thermal Regulation in SOT23-5
General Description
The LP4060 is a complete constant-current/constant- voltage linear charger for single cell lithium-ion batteries. Its SOT23-5 package and low external component count make the LP4060 ideally suited for portable applications. Furthermore, the LP4060 is specifically designed to work within USB power specifications. No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture. Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature. The charge voltage is fixed at 4.2V/4.35V, and the charge current can be programmed externally with a single resistor. The LP4060 automatically terminates the charge cycle when the charge current drops to 1/10th the programmed value after the final float voltage is reached. When the input supply (wall adap...
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