(Hong Kong)
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.
Diagrams
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 UC2906DWG4 |
Texas Instruments |
Battery Management Lead-Acid Linear Charge Mngt IC |
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