LTC1731-4.2 - Single Cell Lithium-Ion Linear Battery Charger Controllers

The LTC1731 is a complete constant-current/constant-voltage linear charger controller for single cell lithium-ion batteries. Nickel-cadmium (NiCd) and nickel-metal-hydride (NiMH) batteries CAN also be charged with constant current using external termination. The external sense resistor sets the charge current with 5% accuracy. An internal resistor divider and precision reference set the final float potential with 1% accuracy. The output float voltage is set internally to 4.1V (LTC1731-4.1) or 4.2V LTC1731-4.2 . When the input supply is removed,the LTC1731 automatically enters a low current sleep mode, dropping the battery drain current to typically 7A. An internal Comparator detects the end-of-charge (C/10) condition while a programmable Timer using an external capacitor, sets the total charge time. Fully discharged cells are automatically trickle charged at 10% of the programmed current until cell voltage exceeds 2.457V. The LTC1731 is available in the 8-pin MSOP and SO packages.
By Linear Technology Corporation
LTC1731-4.2 's PackagesLTC1731-4.2 's pdf datasheet

LTC1731-4.2 Pinout, Pinouts
LTC1731-4.2 pinout,Pin out
This is one package pinout of LTC1731-4.2,If you need more pinouts please download LTC1731-4.2's pdf datasheet.

LTC1731-4.2 Application circuits
LTC1731-4.2 circuits
This is one application circuit of LTC1731-4.2,If you need more circuits,please download LTC1731-4.2's pdf datasheet.

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