STC3115IQT

STC3115IQT is a gas gauge IC with alarm output for handheld applications. It includes the hardware functions required to implement a low-cost gas gauge for battery monitoring. The STC3115 uses current sensing, Coulomb counting and accurate measurements of the battery voltage to estimate the state-of-charge (SOC) of the battery. An internal temperature sensor simplifies implementation of temperature compensation. An alarm output signals a low SOC condition and can also indicate low battery voltage. The alarm threshold levels are programmable. The STC3115 offers advanced features to ensure high performance gas gauging in all application conditions. Typical applications include mobile phones, multimedia players, digital cameras and portable medical equipment.

• OptimGauge™ algorithm
• 0.25% accuracy battery voltage monitoring
• Coulomb counter and voltage-mode gas gauge operations
• Robust initial open-circuit-voltage (OCV) measurement at power-up
• Programmable low battery alarm
• Internal temperature sensor
• Battery swap detection
• Low power of 45µA in power-saving mode, 2µA maximum in standby mode
• 2.0 x 3.0 mm DFN10 package
• Temperature range from -40°C to +85°C

Warnungen und Hinweise

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