STMicroelectronics, Inc. Battery Management STC3115IQT

The STC3115IQT is a gas gauge integrated circuit designed for battery monitoring in handheld applications. It utilizes the OptimGauge,Ñ¢ algorithm to provide accurate state-of-charge (SOC) estimations with a voltage monitoring accuracy of 0.25%. The device features a Coulomb counter and voltage-mode gas gauge operations, ensuring reliable performance across various conditions. It includes an internal temperature sensor for temperature compensation and supports programmable low battery alarm thresholds. The STC3115IQT operates with low power consumption, drawing 45 ¬µA in power-saving mode and a maximum of 2 ¬µA in standby mode. It is available in a compact DFN10 package measuring 2.0 x 3.0 mm, making it suitable for applications such as mobile phones, multimedia players, digital cameras, and portable medical equipment.