S-80831CNMC-B8QT2G

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The S-80831CNMC-B8QT2G is a PMIC-Supervisor series manufactured by Japan-based Seiko Instruments. It stands out among other PMICs due to its cutting-edge monitoring capabilities and built-in over-temperature protection feature.

The S-80831CNMC-B8QT2G is designed for use in mobile or wearable applications, such as smartphones, tablets, and smart watches. It is designed to provide reliable voltage monitoring, either in low-power or high-power mode, while keeping thermal performance at an optimum level.

The S-80831CNMC-B8QT2G Supervisory circuit is a 3-in-1, single-chip solution. The power supply IC includes a common low-dropout regulator (LDO), a high-side MOSFET driver and a low-side MOSFET driver. The LDO and the high-side drive circuit are used for system power supply, while the low-side drive is used for the power switch control.

The S-80831CNMC-B8QT2G is a versatile and powerful tool to protect power systems from unexpected power-related issues such as brown-out or over-voltage conditions. It provides robust voltage regulation (Vreg) functions such as Input Overvoltage Protection, Overcurrent Protection, Undervoltage Lockout, Enable/Disable, and Reset functions. Additionally, it has an internal comparator that can monitor an external voltage, allowing for maximum flexibility in system design.

The S-80831CNMC-B8QT2G electrical performance is excellent as well, offering an output voltage accuracy of ±2%, output ripple of 0.3mVrms under normal operating conditions, and a very high efficiency of 99% over a 4.5V to 5.5V input range. It also has an internal temperature sensor, which prevents excessive thermal conditions that may cause damage to the system. Finally, its integrated diagnosis and auto-resetting functions make it suitable to use with a wide range of power supply and battery solutions.

In summary, the S-80831CNMC-B8QT2G is a top-notch PMIC-Supervisor, featuring advanced monitoring and protection capabilities along with excellent electrical performance and high-level system integration. It is an ideal solution for mobile, wearable and embedded applications, which require high-accuracy, reliable voltage monitoring and over-temperature protection. Furthermore, the S-80831CNMC-B8QT2G is a cost-effective solution, enabling designers to save board space, power consumption and cost.

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