S-80857CLNB-B7IT2U

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PMIC - Supervisors

A PMIC (Power Management Integrated Circuit) Supervisor, or simply a supervisor, is a special type of integrated circuit used to monitor and manage the power supply of a system. In particular, supervisors are used to ensure that the power supply remains constant, and that all components connected to the same power supply remain stable. The S-80857CLNB-B7IT2U is an example of a supervisor.

The S-80857CLNB-B7IT2U is a supervisor designed for use in embedded applications. It is a 1.8 V to 5.5 V device that incorporates a wide variety of power management functions, such as voltage monitoring, voltage scaling, power-on reset, watchdog timer and over-temperature protection. It can be used to monitor single-cell Li-ion or multi-cell Li-polymer battery-powered applications, such as set-top boxes, notebooks, tablets and handheld devices.

The S-80857CLNB-B7IT2U also provides a wide array of system configurations. It comes with a pre-defined set of on-chip system configurations, such as power-on reset thresholds, watchdog timer delay times and over-temperature thresholds. It also allows the user to configure other parameters, such as power-on reset timeouts and voltage sequences, via an external configuration circuit.

The S-80857CLNB-B7IT2U works on a simple principle. It monitors the voltage of the system and compares it to a preset threshold. If the voltage drops below the threshold, the device will reset the system to its safe state. The device also continuously monitors the system temperature and, if it exceeds the pre-programmed maximum temperature, it will also reset the system. Additionally, the device can be configured to generate a pulse-width modulated (PWM) signal for supplying power to various system components.

The S-80857CLNB-B7IT2U is an ideal choice for many embedded applications. It offers a wide range of features, a wide operating range and a variety of system configurations. It is a reliable and efficient power management solution in a wide range of battery-powered applications.

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