temperature reliability and harsh environment suitability: The BQ25504 enables reliable operation in temperature conditions and harsh environments, delivering competitive performance compared with other products on the market. Power for home automation control modules: In home devices, the BQ25504 provides power to different control modules, supporting sustainable development of home automation. Ultralow power and energy harvesting focus: Specially designed for low power and energy harvesting systems, typical power consumption is only a few microwatts, allowing efficient operation in very low lighting conditions. Intelligent MPPT for dynamic conditions: The integrated MPPT algorithm automatically optimizes the solar cell output as the environment changes, ensuring power across different lighting conditions and improving energy collection efficiency. 23 practical use scenarios Smart home sensor nodes: Solarpowered door and window sensors, environmental monitors, and other lowpower control modules in a smart home setup, enabling maintenance operation in varying light. Remote or poorly lit installations: Outdoor or indoor control modules in garages, attics, or shaded locations that require reliable energy harvesting to sustain operation without frequent maintenance or battery replacements. Batteryless or hybrid power solutions: Microcontrollerbased devices that benefit from continuous, lowpower solar harvesting to reduce or eliminate battery usage in harsh or remote environments.