Standalone Linear Li-Ion Battery Charger With Thermal Regulation In DFN

The LTC4058 is a complete constant-current/constant- voltage linear charger for single cell lithium-ion batteries. Its DFN package and low external component count make the LTC4058 ideally suited for portable applications. Fur- thermore, the LTC4058 is designed to work within USB power specifications. The LTC4058 CAN Kelvin sense the battery terminal for more accurate float voltage charging. No external sense resistor or external blocking Diode are required due to the internal MOSFET architecture. Thermal feedback regu- lates the charge current to limit the die temperature during high power operation or high ambient temperature condi- tions. The charge voltage is fixed at 4.2V and the charge current is programmed with a resistor. The LTC4058 terminates the charge cycle when the charge current drops to 10% of the programmed value after the final float voltage is reached. By Linear Technology Corporation
LTC4058 's PackagesLTC4058 's pdf datasheet

LTC4058 Pinout, Pinouts
LTC4058 pinout,Pin out
This is one package pinout of LTC4058,If you need more pinouts please download LTC4058's pdf datasheet.

LTC4058 Application circuits
LTC4058 circuits
This is one application circuit of LTC4058,If you need more circuits,please download LTC4058's pdf datasheet.

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