S-80824CNUA-B8JT2G

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PMIC, an abbreviation for Power Management Integrated Circuit, is a multi-function integrated circuit that provides the necessary power supply configurations and power control in a power system, acting as a central component in the communication, cell phone, and other electronic system circuits of modern electronic applications. S-80824CNUA-B8JT2G is one of many PMICs that can contribute to this system.

The S-80824CNUA-B8JT2G device is categorized as a PMIC supervisor, meaning it is responsible for monitoring power supplies and initiating power up and down commands. The supervisor monitors the power supply voltage, battery voltage, and other external components, and can set an under-voltage lockout (UVLO) and an over-voltage lockout (OVLO) to protect the system against over-voltage and under-voltage conditions.

The S-80824CNUA-B8JT2G also includes a reset generator, which can detect power supply abnormalities and generate a reset signal, as well as an over-temp detector, which can detect when surrounding temperatures are too high, and a comparator that monitors and compares supply voltages.

The S-80824CNUA-B8JT2G provides a great number of features in an easily applicable package and is generally applied in systems that cannot be powered down or cannot have significant voltage drops, such as microcontrollers, MCUs, and other logic-based systems. It is also used for power sequencing for microprocessor laptops, desktops, and other embedded circuit boards.

The working principle behind the S-80824CNUA-B8JT2G is a combination of various power management techniques, in which the device serves as a supervisor, regulator, and over-temp detector. The supervisor monitors the voltage level and switches the outputs from low to high when a certain threshold is reached. If a voltage drop is detected, the supervisor will switch to low-power mode and initiate a reset signal, thus protecting the system against over-voltage and under-voltage conditions.

The over-temp detector monitors whether temperatures have gone above a predefined threshold. If the detected temperature exceeds the threshold, the detector will shut down the system and reset the voltage regulators. The reset generator, meanwhile, ensures the correct reset, enabling the microprocessor or microcontroller to restart the system. The comparator, on the other hand, will monitor the output voltage levels, compare them to the input voltage levels, and initiate a system reset signal when conditions such as over-voltage or under-voltage are detected.

The main purpose of the S-80824CNUA-B8JT2G is to increase system stability, protect against harmful power events, and enable faster system startup and reset. It is also used for power sequencing for microprocessor laptops, desktops, and other embedded circuit boards. Thanks to its multiple functions and small size, the S-80824CNUA-B8JT2G is now one of the most widely used PMIC supervisors in the market.

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