STMicroelectronics STC3117 Evaluation Board Battery Monitoring for STC3117

STMicroelectronics provides turnkey solutions that address the growing demand for innovation to reach higher efficiency, higher power density and lower standby power designs. This is achieved through a wide range of power discrete components, analog ICs and digital processors.

The STC3117 includes the STMicroelectronics OptimGauge™ algorithm. It provides accurate battery state-of-charge (SOC) monitoring, tracks battery parameter changes with operation conditions, temperature and aging, and allows the application to get a battery state-of-health (SOH) indication. An alarm output signals low SOC or low voltage conditions and also indicates fault conditions like a missing or swapped battery.

Patented OptimGaugeTM algorithm for accurate battery capacity calculation
Robust initial open-circuit-voltage (OCV) measurement at power up
Programmable low battery alarm
Missing/swapped battery detection
Average current internal calculation
End-of-Charge detection
Internal temperature sensor
Battery swap detection with protection against false battery insertion
Low power 40 μA in voltage-only, 2uA max. in standby mode
1.49 x 1.594 mm 9-bump CSP package

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