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The Maxim Integrated DS2780G+ is a fuel gauge IC designed for single-cell Li-ion and Li-polymer batteries. It accurately measures the remaining battery capacity and communicates this information to a host system through the I2C interface. This IC offers features such as voltage, current, temperature monitoring, capacity estimation, and support for multiple battery chemistries. Functions: 1. Battery capacity monitoring and reporting. 2. Voltage, current, and temperature sensing. 3. Cycle counter for tracking battery life. 4. Integrated A/D converter for analog measurements. 5. I2C communication interface. Applications: 1. Portable devices 2. Power banks 3. Medical devices 4. Smartphones and tablets 5. Wearable devices Alternative Components: 1. Texas Instruments BQ27510G3 2. STMicroelectronics M41T83 3. Renesas Electronics ISL94203 4. Microchip Technology MCP73871 5. Analog Devices ADUM3223 Embedded Modules: 1. Temperature sensor 2. Current shunt monitor 3. Analog-to-digital converter 4. I2C interface controller Related Q&A: 1. Can the Maxim Integrated DS2780G+ be used with non-rechargeable batteries? - No, this IC is intended for use with single-cell Li-ion and Li-polymer rechargeable batteries. 2. Is it possible to configure the battery capacity reporting intervals? - Yes, the DS2780G+ allows users to configure the reporting intervals for battery capacity updates. 3. What is the typical accuracy of the capacity estimation provided by the DS2780G+? - The capacity estimation accuracy is typically within ±5%. 4. Does the DS2780G+ support overvoltage and overcurrent protection for the battery? - Yes, the IC includes protection features for overvoltage and overcurrent conditions. 5. Can the DS2780G+ be used in conjunction with energy harvesting systems? - Yes, this fuel gauge IC can be integrated into systems using energy harvesting sources such as solar panels or thermal generators.