UC2906DWG4

Sealed Lead-Acid Battery Charger, SOP20, 40V Supply Voltage (+VIN), 80mA Driver Current, 1000mW

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PartNumber:: UC2906DWG4

Brand:: Texas Instruments - TI | Pack: SOP | D/C: 10+

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Products Upload time: 2011-08-06

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Product Summary

The UC2906DWG4 of battery charger controller contains all of the necessary circuitry to optimally control the charge and hold cycle for sealed lead-acid batteries. The UC2906DWG4 monitor and control both the output voltage and current of the charger through three separate charge states; a high current bulk-charge state, a controlled over-charge, and a precision float-charge, or standby, state. Optimum charging conditions are maintained over an extended temperature range with an internal reference that tracks the nominal temperature characteristics of the lead-acid cell. A typical standby supply current requirement of only 1.6mA allows these ICs to predictably monitor ambient temperatures.

Parametrics

UC2906DWG4 absolute maximum ratings: (1)Supply Voltage (+VIN): 40V; (2)Open Collector Output Voltages: 40V; (3)Amplifier and Comparator Input Voltages: -0.3V to +40V; (4)Over-Charge Terminate Input Voltage: -0.3V to +40V; (5)Current Sense Amplifier Output Current: 80mA; (6)Other Open Collector Output Currents: 20mA; (7)Trickle Bias Voltage Differential with respect to VIN: -32V; (8)Trickle Bias Output Current: -40mA; (9)Driver Current: 80mA; (10)Power Dissipation at TA = 25℃(Note 2): 1000mW; (11)Power Dissipation at TC = 25℃ (Note 2): 2000mW; (12)Operating Junction Temperature: -55℃ to +150℃; (13)Storage Temperature: -65℃ to +150℃; (14)Lead Temperature (Soldering, 10 Seconds): 300℃.

Features

UC2906DWG4 features: (1)Optimum Control for Maximum Battery Capacity and Life; (2)Internal State Logic Provides Three Charge States; (3)Precision Reference Tracks Battery Requirements Over Temperature; (4)Controls Both Voltage and Current at Charger Output; (5)System Interface Functions; (6)Typical Standby Supply Current of only 1.6mA.

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UC2906DWG4

Texas Instruments

Battery Management Lead-Acid Linear Charge Mngt IC

Data Sheet

0-1:	$3.96
1-25:	$3.17
25-100:	$2.66
100-250:	$2.56