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UC3906 Application Note

Part Series:UC3906 Series
Category:Battery Management
Description:TEXAS INSTRUMENTS UC3906N Battery Charger for 4 Cells of Lead Acid battery, 40V input, 2A charge, DIP-16
Document:UC3906N Application Note (12 Pages)

UC3906 Application Note Battery Management

11 Pages
TI
TEXAS INSTRUMENTS UC3906DW Battery Charger for Lead Acid battery, 40V input, 2A charge, SOIC-16

UC3906N - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Number of Pins
16 Pin
Supply Voltage (DC)
40.0V (max)
Case/Package
PDIP-16
Power Rating
1 W
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UC3906N - TI Function Overview

The UC3906N is a Linear Lead-Acid Battery Charger features precision reference tracks battery requirements over-temperature. The UC2906 series of battery charger controller contains all of the necessary circuitry to optimally control the charge and hold cycle for sealed lead-acid batteries. This integrated circuit 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. Separate voltage loop and current limit amplifiers regulate the output voltage and current levels in the charger by controlling the onboard driver.
Optimum control for maximum battery capacity and life
Internal state logic provides three charge states
Controls both voltage and current at charger output
System interface functions
Green product and no Sb/Br
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