UC3909 Datasheet - Unitrode

UC3909 Switchmode Lead-Acid Battery Charger

The UC3909 family of Switchmode Lead-Acid Battery Chargers accurately controls lead acid battery charging with a highly efficient average current mode control loop. This chip combines charge state logic with average current PWM control circuitry. Charge state logic commands current or voltage contro.

UC3909 Features

* Accurate and Efficient Control of Battery Charging

* Average Current Mode Control from Trickle to Overcharge

* Resistor Programmable Charge Currents

* Thermistor Interface Tracks Battery Requirements Over Temperature

* Output Status Bits Report on Four Inter

UC3909-Unitrode.pdf