S-80851CNNB-B9CT2G

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PMIC - Supervisors are a device category within the more broadly defined power management integrated circuit (PMIC) device family. The S-80851CNNB-B9CT2G is a PMIC supervisor device in the family of PMICs, featuring built-in voltage supervisors and output currents. Understanding its potential applications and working principle is key for engineers considering the integration of this PMIC supervisor into their projects.

The S-80851CNNB-B9CT2G is a feature-rich PMIC supervisor, offering reliability and protection features needed in modern power management designs. On the output side, the supervisor device is designed to provide adjustable current control and logic controlled shutdowns with separate pin control. One of the key benefits is the synchronization of output voltage over voltage protector (OVVP) levels across multiple power rails, the capability to accurately compare power rail voltages, and a temperature independent voltage supervisor. This device is a great choice for power designers who need to protect batteries and other sensitive circuits from over voltages and currents.

The associated applications for the S-80851CNNB-B9CT2G PMIC supervisor include power management designs for smart phones, tablets, laptops, data center servers, and IoT devices. The OV movie support features provide an added level of protection for the battery and other sensitive elements of the design, leading to a more reliable electronic product. Additionally, the adjustable current capability of the S-80851CNNB-B9CT2G means that users can tailor their associations with various charge pump and switching regulator loops.

The design of the S-80851CNNB-B9CT2G used two integrated voltage supervisors and OVVP comparators to monitor two power rails. This allows the device to detect any voltage anomalies, including the application of unwanted surges and out of range voltages. The two internal comparators can synchronize the power rail OVVP levels, ensuring that any unusual voltages on either rail will be detected and acted upon quickly.

The S-80851CNNB-B9CT2G PMIC supervisor is built with an internal 2.0V voltage reference, allowing for accurate and consistent voltage monitoring. This internal voltage reference also enables temperature independence for the voltage supervisor, meaning that any temperature drift or effects that may distort the monitored voltage or current are eliminated or minimized. In addition, the device utilizes fast on/off switching for its outputs and can be configured for either manual or logic control of its output.

The S-80851CNNB-B9CT2G PMIC supervisor features adjustable output current control and can be adjusted from 0 to 6A through an external resistor. This output current control allows designers to tailor their applications to a variety of different components and loop designs, depending on the specific design needs. Furthermore, the adjustable current control eliminates the need for additional external components, leading to smaller footprints and cost savings.

In summary, the S-80851CNNB-B9CT2G PMIC supervisor is a reliable and versatile device capable of protecting batteries and other sensitive components of power management designs. It offers temperature independence, adjustable current control, output switching, and synchronization of OVVP levels across two power rails. As a result, the device is an ideal choice for power designers in need of robust protection for their applications, including those for smart phones, tablets, laptops, servers, and IoT devices.

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