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Product Overview

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. The STC3105 battery monitor includes the hardware functions required to implement a low cost gas gauge for battery monitoring. The STC3105 uses accurate measurements of the battery voltage to estimate a battery’s state of charge (SOC). It uses a low cost sense resistor to precisely sense the charge or discharge states, detect light load conditions without ambiguity for voltage measurements, and accurate SOC calculation. 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.
  • STC3105 device uses the Coulomb counter method to track state of charge
  • Accurate measurements of the battery voltage to estimate the battery state of charge
  • Battery parameters are sent to PC via USB and can be observed using HyperTerminal and GUI
  • Board can also display parameters on the LCD
  • Charging and discharging status is displayed by the + and - sign respectively on both LCD and LED
  • Board also shows low voltage and SOC alarms
  • Board can monitor a battery with a capacity up to +/-10950mAh


Power Management, Consumer Electronics, Portable Devices, Medical

Product Information

Power Management - Battery
Battery Monitor
Demonstration Board STC3105
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