S-80920CNMC-G8QT2G

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PMIC (Power Management Integrated Circuit) supervisors are electronic components which are used to manage and monitor power flow within a device. The S-80920CNMC-G8QT2G is a PMIC supervisor, designed to provide extremely reliable protection and monitoring of various specific voltages and currents. As a world-leading PMIC supervisor, this device comes with a wide range of features and applications.

Overview

The S-80920CNMC-G8QT2G is a single-chip power supervisor. It integrates a watchdog timer (WDT), a reset monitor (RM), a power monitor (PM) that sensesthe power supply voltage, and a low voltage detection (LVD) circuit in a 14-pin QFP package. The device also features a unique feature with its pulse-lockout (PLT) to stop reset from an external power-on reset circuit. It also includes a debounced reset output (RIN) for system reset sequence control. Additionally, the S-80920CNMC-G8QT2G comes with a reset enable (RIN) for independent reset of different system components.

Features

The S-80920CNMC-G8QT2G boasts a comprehensive list of features, enabling a wide range of application possibilities. It uses an industry-leading watchdog timer to guard against system failure and system lock-up. The reset monitor provides additional power supply tools and limits excessive system restarts. Its power monitor tracks the voltage of a connected power supply, and its LVD circuit detects input voltage at lower than regulated level. Generally, the device presents both a power-fail warning signal and a reset signal when an input voltage level or variation is detected.

In addition, the S-80920CNMC-G8QT2G also provides an independent reset enable (RIN) input for independent reset of different system components. A flexible pulse-lockout (PLT) circuit allows for precise reset control and maximum system stability no matter how high or often the reset signal is received from the power-on reset (POR) circuit. The RIN signal is debounced and automatically sent when the PLT monitoring cycle exceeds a preset time period.

Application Field

The S-80920CNMC-G8QT2G is ideal for use in a wide variety of applications, including digital consumer electronic products and automotive electronic applications. The device can be used to guard against system failure and system lock-up, as well as controlling reset sequences and other system components. Its high stability and ultra-low power consumption make it particularly useful in embedded applications where its stability and power efficiency make the difference.

In automotive applications, the S-80920CNMC-G8QT2G is used to detect a variety of input voltages, providing reset protection and power failure warning. Its integrated WDT, reset monitor and power monitor work together to detect and protect against sudden voltage drops or overshoots, while its LVD circuit allows for the monitoring and detecting of input voltage at low levels. In digital consumer products, the device is used for power-on reset monitoring, providing an effective reset sequence for reliable startup and operation, as well as for power supply voltage stability.

Working Principle

The S-80920CNMC-G8QT2G works with an integrated watchdog timer (WDT), reset monitor (RM), power monitor (PM) and low voltage detection (LVD) circuit. The integrated WDT ensures that the device\'s connected system is working correctly, and that any system failure is detected and resolved quickly. The RM, meanwhile, monitors the incoming power supply and detects any excessive restarts. When activated, it signals a reset command. The PM tracks the power supply voltage, and the LVD circuit detects input voltage at lower than regulated levels.

The S-80920CNMC-G8QT2G also features an independent RIN input for the reset of different system components. The device\'s PLT circuit allows for precise reset control and maximum system stability, even when receiving frequent reset signals from the POR circuit. Additionally, the RIN signal is debounced and automatically sent when the PLT monitoring cycle is exceeded.

Conclusion

The S-80920CNMC-G8QT2G is a world-leading PMIC supervisor designed to provide reliable protection and monitoring of various voltages and currents. Its various integrated components, including a watchdog timer, reset monitor and power monitor, allow the device to offer maximum system stability, reset sequence control, power-on reset and low voltage detection. The S-80920CNMC-G8QT2G is ideal for use in both automotive and digital consumer electronic applications, and its ultra-low power consumption makes it particularly useful in embedded applications.

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