S-80924CNNB-G8UT2G

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PMIC supervisors have become increasingly important in the electronic industry due to their ability to provide versatile protections, such as voltage monitoring, reset generation and to maximize system performance and reliability. In particular, S-80924CNNB-G8UT2G is an advanced PMIC supervisor that provides a number of features for industrial and consumer applications.

Application Field

The S-80924CNNB-G8UT2G PMIC supervisor is implemented as a two-timer system that provides two independent timing functions. Its versatile protection functions include power on reset (POR), supply voltage supervisor (SVS) and window watchdog timer (WDT). It also features a voltage level detect (VLD) function which enables the device to detect a fixed voltage or an oscillating voltage level. The two timers can be used to monitor the presence and activation of power sources, system clocks, communication signals or external events.

This device is primarily aimed at industrial and consumer applications. It can be used in power and standby power management, alarms and protection systems, audio, video and communication systems, computer and peripherals, medical systems, consumer electronics and automotive application. It works well for applications with harsh environment conditions and built in protection and failsafe capabilities.

Working Principle

The S-80924CNNB-G8UT2G PMIC supervisor is based on a two-timer system. The first timer generates a Power-on Reset (POR) signal when powered up and the second timer generates a window watchdog reset (WDR) signal with window width programmable. The POR monitor keeps track of the power supply voltage, and when it falls below the reset threshold, a reset output is generated to perform system initialization. The WDR monitors the window area between upper and lower thresholds. If the voltage does not stay within this window for a certain amount of time, a reset is generated.

The device also includes a voltage level detect (VLD) feature. This feature can be used to detect a steady voltage level or an oscillating voltage level. It can be used to detect the presence of power supplies or detect the operation of an external microcontroller. When the detected voltage level is within an external voltage threshold, the VLD output is ‘high’ and when it falls outside this threshold, the VLD output is ‘low’.

The device also features a manual reset (MR) input. This input can be manually driven \'high\' or \'low\' to generate a reset, which can be used to perform a system reset or to enter an idle mode. The device also features programmable output delay control, which can be used to control the reset time (reset delay). This feature can be used to control the period at which the device generates a reset.

Overall, the S-80924CNNB-G8UT2G is an advanced PMIC supervisor that provides versatile protection functions for industrial and consumer applications. The device is robust and reliable and its protection functions help ensure maximum system performance and reliability.

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