S-8240AAD-I6T1U

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The S-8240AAD-I6T1U is a one-chip PMIC (Power Management Integrated Circuit) in the Battery Management family, designed to efficiently build a sophisticated power management system. This product is suitable for Li-Ion battery charging and power supply system with secondary batteries. The S-8240AAD-I6T1U is optimized for single cell Li-Ion batteries and NiMH batteries.

The S-8240AAD-I6T1U offers an efficient Charge Controller, LDO and Switching Power Supply Regulator for single cell Li-Ion/NiMH batteries. It is designed to provide a total power management solution for handheld devices, along with comprehensive battery management features. It features a built-in preset processor to analyze the battery behavior and protect the system from potential hazards while providing higher accuracy control and higher current output.

The S-8240AAD-I6T1U is ideal for handheld and portable devices such as PDAs, Smartphones, digital cameras, MP3/MP4 players, and other portable electronic systems that require a high-quality and high-current Li-Ion/NiMH battery charging solution. It combines low stand-by current, extremely high-level accuracies with a wide range of output voltage for long lasting battery operation.

The S-8240AAD-I6T1U can provide main power supplies, DC-DC converters, charge management, and battery back up in one device. It provides over current protection, fast charging, and a low operating temperature for Li-Ion/NiMH batteries. It also has improved safety measures including protection from over-voltage, over-charge, and over-temperature. Moreover, it consumes low power and stores information about the charging and discharging process of the battery. It is designed to operate in an extremely wide temperature range -40°C to +85°C.

The working principle of the S-8240AAD-I6T1U is based on the use of digital controllers and power devices, along with software algorithms. The chip contains all the necessary components, like a low drop out (LDO) regulator, power switches, drivers, and protection circuitry, to build a highly efficient PMIC. The S-8240AAD-I6T1U uses digital control algorithms, such as Pulse-Width Modulation (PWM) and Multi-Phase control, to achieve efficient control over the power supply, charge control, and battery management. The S-8240AAD-I6T1U includes an internal clock to control different operations within the device. The clock runs at 16.38MHz, allowing for high-speed control over the battery management system.

The internal clock generator of the S-8240AAD-I6T1U provides accurate timing and control, enabling the device to operate efficiently. This system provides steady power, current and voltage monitoring, along with advanced protection features that ensure safety of the system. The S-8240AAD-I6T1U includes 2 analogue switches, 2 low drop out regulators, 1 DCDC converter, 1 N-channel FET and 1 back-up cell.

To conclude, the S-8240AAD-I6T1U is a powerful PMIC from the Battery Management family. It is suitable for Li-Ion and NiMH battery charging and power supply systems. It contains all the necessary components for a highly efficient PMIC, such as LDO, power switches, drivers, and protection circuitry, as well as additional features. With its low power consumption, high accuracy control, and temperature range of -40°C to +85°C, it is an excellent choice for powering handheld and portable devices with high-current Li-Ion/NiMH batteries.

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