STEVAL-ISB012V1

STEVAL-ISB012V1 Battery monitoring system demonstration board based on the STC3105 Data brief Features ■ The STC3105 device uses the Coulomb counter method to track state-of-charge (SOC) or to track when the battery is charging or discharging ■ Accurate measurements of the battery voltage to estimate the battery state-of-charge ■ Battery parameters are sent to the PC via USB using a virtual COM port and can be observed using HyperTerminal as well as a GUI ■ The board can also display parameters on the LCD ■ Charging and discharging status is displayed by the + and - sign respectively on both the LCD and LED ■ The board also shows low voltage and SOC alarms ■ The board can monitor a battery with a capacity up to +/-10950 mAh ■ RoHS compliant ) s t( c u d e t le o r P o s b O ) s ( t c u d o r P e Description t e l o The STEVAL-ISB012V1 demonstration board provides a simple, compact solution to monitor voltage, current, and capacity of single cell Li-Ion batteries using the STC3105, which has a highly efficient gas gauge. s b O The STEVAL-ISB012V1 demonstration board has an internal charger in order to charge the battery and can be powered through a USB port or by using a DC adaptor. November 2011 Doc ID 022472 Rev 1 For further information contact your local STMicroelectronics sales office. 1/6 www.st.com 6 Circuit schematic STEVAL-ISB012V1 1 Circuit schematic Figure 1. Circuit schematic (1 of 3) 0,&52&21752//(56(&7,21 & S) 26&B,1