UC2909 Datasheet Switchmode Lead-acid Battery Charger

Manufacturer: Unitrode

Overview: UC2909 - Obsolete Device UC2909 UC3909 Switchmode Lead-Acid Battery.

Datasheet Details

Part number	UC2909
Manufacturer	Unitrode
File Size	734.30 KB
Description	Switchmode Lead-Acid Battery Charger
Datasheet	UC2909-Unitrode.pdf

General Description

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 control depending on the charge state.

Key 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 Internal Charge States.
Undervoltage Lockout Monitors VCC and VREF.

UC2909 Distributor

Similar Datasheet

Brand Logo	Part Number	Description	Manufacturer
	UC2909-EP	SWITCHMODE LEAD-ACID BATTERY CHARGER	Texas Instruments

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