S-8261ACUMD-G4UT2U

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PMIC - Battery Management
The S-8261ACUMD-G4UT2U is a multi-functional power supply IC, integrated with both linear and switch-mode regulation. It is suitable for a wide range of consumer products such as notebook PCs and PDAs. This IC is manufactured using a high-performance low-voltage process and can operate in temperatures ranging from 0 to 40℃. It is advanced in features yet occupies minimal board space.
Application Field
The S-8261ACUMD-G4UT2U is a low-voltage, high-efficiency IC that is capable of generating regulated output voltages from a single input voltage. It is mainly used for battery management and has been adopted by many major consumer electronics companies. Its wide output voltage range makes it suitable for many applications such as charging, discharging, and monitoring of battery packs in devices such as notebook PCs and PDAs. It also provides additional features such as overload protection and short-circuit protection to ensure the safety of the system.
Working Principle
The S-8261ACUMD-G4UT2U works by controlling the voltage across a power supply circuit in order to maintain a specified output voltage. It uses a linear regulation technique that adjusts the control input voltage in order to adjust the output voltage as needed. This is done by implementing a voltage error amplifier that senses the difference between the actual output voltage and the desired output voltage. When the error amplifier detects a difference between the two voltages, it directs the power supply controller IC to change its settings and maintain the required output voltage.As the S-8261ACUMD-G4UT2U is designed to provide a regulated output voltage, it has built-in over-voltage protection and under-voltage protection to ensure the safety of the system. The over-voltage protection prevents the output voltage from exceeding a certain threshold, while the under-voltage protection prevents the output voltage from dropping below a specified level. Furthermore, the S-8261ACUMD-G4UT2U also integrates a low-dropout (LDO) voltage regulator, which helps to minimize power supply noise.
Conclusion
The S-8261ACUMD-G4UT2U is a low-voltage, high-efficiency power supply IC that is suitable for a wide variety of battery management applications. It is capable of generating regulated output voltages from a single input voltage and provides features such as overload protection and short-circuit protection. Additionally, the IC includes a low-dropout (LDO) voltage regulator, which helps to minimize power supply noise. All these features make the S-8261ACUMD-G4UT2U an ideal choice for use in battery management applications such as charging, discharging, and monitoring of battery packs in devices such as notebook PCs and PDAs.

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