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Not Recommended For New Designs bq78412
www.ti.com SLUSAA0 – OCTOBER 2010 bq78412 Pb-Acid Battery State-of-Charge Indicator With Run-Time Display
Check for Samples: bq78412 FEATURES DESCRIPTION The bq78412 Pb-Acid Battery State-of-Charge (SoC)
Indicator with Run-Time Display is a complete
stand-alone battery gas-gauge solution designed for
single 12V Pb-Acid batteries. The bq78412 displays
remaining Run-Time-To-Empty during discharge and
Percent (%) capacity during charge using a 10-LED
(light-emitting diode) bar graph. 1 Designed for Use with 12-V Lead-Acid
Batteries in Consumer UPS Systems
Programmable Cell Models for Enhanced
Pb-Acid Gas Gauging Performance
Provides 10-LED Bar Graph of Run-Time
Remaining During Discharge and % Capacity
During Charge
Can Be Easily Integrated Into Battery Cover
Works with Pb-Acid Batteries Up to 327 Ah
Records Cumulative Usage Data Internally for
Warranty Return Analysis
On-Chip Temperature Sensor
Data Interface for Retrieving Warranty
Information
Fully Programmable Features and Thresholds …
