UC2909-EP Datasheet - Texas Instruments

SWITCHMODE LEAD-ACID BATTERY CHARGER

UC2909-EP Features

* 1

* 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 Int

UC2909-EP General Description

The UC2909 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 control depending on the charge state. The chip includes undervol.

UC2909-EP Datasheet (1.21 MB)