MN13811SEU Integrated Circuits (ICs)

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Power Management Integrated Circuits (PMICs) are a type of integrated circuits (IC) used to efficiently manage and distribute power in electronic devices. In particular, PMICs are often used in portable devices such as smartphones and tablets to manage the power consumed by low power components and optimize overall system performance. Within the PMIC family, supervisors are specialized ICs used to provide a number of power related functions. As supervisors are used mainly in embedded applications, they typically offer low power consumption and feature rich functions. The aim of this article is to provide an overview of the MN13811SEU advanced supervisor and to discuss its application field and working principle.

Overview of the MN13811SEU Supervisor

The MN13811SEU is a low power supervisor and advanced protection IC with integrated low on-resistance MOSFETs specifically designed for automotive and embedded applications. It functions as an electronic replacement for electromechanical and relay switching devices, and allows for improved reliability and increased flexibility in system designs.

The MN13811SEU includes a programmable watchdog, an integrated temperature monitor, a low on-resistance gate driver with diagnostic outputs and an over voltage/current monitoring system. These enable the IC to monitor temperature, supply voltage and current, to protect against system failures, to detect overcurrent/overvoltage, etc. It also supports remote-controlled operations and power saving techniques. The IC’s low power consumption and wide operating temperature range of -40 C to 125 C make it suitable for a variety of automotive and embedded applications.

Applications of the MN13811SEU Supervisor

The MN13811SEU provides a variety of features and functions which makes it suitable for a range of automotive and embedded applications.

In automotive applications, the MN13811SEU is commonly used as a watchdog timer and over-current/over-voltage monitor. Its integrated low on-resistance MOSFET allows for fast switching and high efficiency. Furthermore, the IC’s integrated temperature monitoring system allows for temperature compensation, thus avoiding false triggering of the watchdog feature. In addition, the integrated gate drivers can be used to control the on/off state of automotive compatible loads, such as relays and power transistors, increasing the system reliability and overall efficiency.

In embedded applications, the MN13811SEU is often employed as power management IC. Its integrated low on-resistance MOSFETs allow for efficient power control and distribution, while its programmable watchdog timer allows for periodic reset and reboot of the system, in case of unexpected interruptions or system crashes. The over voltage/current monitoring system of the IC can be used to protect against power overloading and system failures, thus ensuring the reliability and long-term operation of the device.

Working Principle of the MN13811SEU Supervisor

The MN13811SEU is an advanced protection IC with integrated low on-resistance MOSFETs specifically designed for automotive and embedded applications. It functions as an electronic replacement for electromechanical and relay switching devices. The IC offers a variety of features, including a programmable watchdog timer, a temperature monitor, and an overvoltage/overcurrent monitoring system.

The programmable watchdog timer of the MN13811SEU serves as a safety feature that can detect any system faults and reset or reboot the device in case of an unexpected interruption or system crash. The watchdog timer can be configured to reset the device periodically or at a specified time. This helps to minimize the risk of unexpected power interruptions in the system and to improve reliability.

The integrated temperature monitoring system of the IC allows for temperature dependent reset of the system. The temperature monitor can detect any unexpected increases in temperature and take pre-configured measures (such as increase the system clock frequency), thus avoiding any false triggering of the watchdog feature. In addition, the low on-resistance MOSFETs integrated in the IC allow for efficient power switching and distribution.

The integrated overvoltage/overcurrent monitoring system of the IC can be used to detect any overloading of the system and protect the device against system faults. This helps to ensure reliability and increase the life-span of the device.

Conclusion

The MN13811SEU is an advanced protection IC with integrated low on-resistance MOSFETs specifically designed for automotive and embedded applications. It functions as an electronic replacement for electromechanical and relay switching devices and features a programmable watchdog timer, a temperature monitor, and an overvoltage/overcurrent monitoring system. The IC’s low power consumption and wide operating temperature range of -40 C to 125 C make it suitable for a variety of automotive and embedded applications.

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