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BQ24450 Datasheet

Part Number BQ24450
Manufacturers Texas Instruments
Logo Texas Instruments
Description INTEGRATED CHARGE CONTROLLER
Datasheet BQ24450 DatasheetBQ24450 Datasheet (PDF)

www.ti.com bq24450 SLUS929C – APRIL 2009 – REVISED FEBRUARY 2012 INTEGRATED CHARGE CONTROLLER FOR LEAD-ACID BATTERIES Check for Samples: bq24450 FEATURES 1 • Regulates Both Voltage and Current During Charging • Precision Temperature-Compensated Reference: – Maximizes Battery Capacity Over Temperature – Ensures Safety While Charging Over Temperature • Optimum Control to Maximize Battery Capacity and Life • Supports Different Configurations • Minimum External Components • Available in 16-Pin SO.

  BQ24450   BQ24450






INTEGRATED CHARGE CONTROLLER

www.ti.com bq24450 SLUS929C – APRIL 2009 – REVISED FEBRUARY 2012 INTEGRATED CHARGE CONTROLLER FOR LEAD-ACID BATTERIES Check for Samples: bq24450 FEATURES 1 • Regulates Both Voltage and Current During Charging • Precision Temperature-Compensated Reference: – Maximizes Battery Capacity Over Temperature – Ensures Safety While Charging Over Temperature • Optimum Control to Maximize Battery Capacity and Life • Supports Different Configurations • Minimum External Components • Available in 16-Pin SOIC (DW) APPLICATIONS • Emergency Lighting Systems • Security and Alarm Systems • Telecommunication Backup Power • Uninterruptible Power Supplies DESCRIPTION The bq24450 contains all the necessary circuitry to optimally control the charging of valve-regulated lead-acid batteries. The IC controls the charging current as well as the charging voltage to safely and efficiently charge the battery, maximizing battery capacity and life. Depending on the application, the IC can be configured as a simple constant-voltage float charge controller or a dual-voltage float-cum-boost charge controller. The built-in precision voltage reference is especially temperature-compensated to track the characteristics of lead-acid cells, and maintains optimum charging voltage over an extended temperature range without using any external components. The ICs low current consumption allows for accurate temperature monitoring by minimizing self-heating effects. The IC can support a wide range of battery capacities.


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