CONSONANCE
4A, 12V Lead-Acid Battery Charger IC CN3768
General Descriptions:
The CN3768 is a PWM switch-mode battery charger controller for 12V lead-acid battery in a small package using few external components.
The CN3768 is specially designed for charging 12V lead-acid battery with trickle charge, constant current charge, over-charge and float charge mode.
In over-charge and float charge mode, the regulation
voltage is internally set.
The constant charge current is programmable with a single sense resistor.
Deeply discharged batteries are automatically trickle charged at 17.
5% of the programmed constant charge current until the cell
voltage exceeds 75% of the regulation
voltage in over-ch...