S-80933CNMC-G83T2U

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A PMIC, or Power Management Integrated Circuit (PMIC), is a type of integrated circuit that provides power management functions typically used in mobile and fixed power supply applications. The S-80933CNMC-G83T2U is a PMIC Supervisors, designed by Semtech, which is mainly used for providing system supervisory functions. This device monitors a variety of system conditions. It also helps to improve system performance and overall power efficiency. The following sections will discuss the application field and working principle of this device.

Application Field

The S-80933CNMC-G83T2U device is mainly used in mobile and fixed power supply applications. It is especially suitable for applications that require power supply protection and system monitoring. This device can provide system supervisory functions, such as low battery detection, over-temperature protection, watchdog timer, power-down reset and system voltage monitoring. This device can also be used in battery-powered systems and system reset applications. The device is designed to work with CPU processors in order to monitor system status and generate interrupts when necessary.

Working Principle

The S-80933CNMC-G83T2U PMIC Supervisors utilizes a double CMOS process to provide extremely low power consumption. The low power consumption allows for extended battery run times in mobile applications. The device features a 1.8V regulator, which provides an internal reference voltage for the internal circuitry. The internal reference voltage can provide accurate voltage monitoring, even in low-voltage applications. The device includes low battery, over-temperature and power-down reset circuits, as well as a watchdog timer circuit which can be used to monitor system activity and provide the system with a reset in the event of based on a programmed Event.

The device also includes a I2C port which allows the device to be programmed and monitored. The I2C port supports both master and slave modes and can be used to program the device or read voltage and temperature information. The device provides several programmable functions, such as reset threshold, Reset Timeout and Watchdog Timeout.

The S-80933CNMC-G83T2U device also includes a single interrupt output, which can be used to indicate the system status to the user or processor. The interrupt can be used to trigger an interrupt on the processor or to indicate a system status on an LED for debugging purposes. The high-performance on-chip oscillator of the device, which operates at a frequency of 6.4MHz, can be used to provide a clocking source for the internal circuits of the device.

In summary, the S-80933CNMC-G83T2U PMIC Supervisors is a high-performance and low-power integrated circuit solution for mobile and fixed power supply applications. The flexible design of the device can provide system supervisory functions and accurate voltage monitoring, as well as support for programmable functions and an intelligent I2C interface. The S-80933CNMC-G83T2U device is a very useful tool for developing power-efficient systems.

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