BQ78412 - Texas Instruments

BQ78412 Pb-Acid Battery State-of-Charge Indicator

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. The bq78412 monitors battery.

Features

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 via UART Serial Interface
• State-of-Health (SoH) Determination and .