MN13822KP Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	CMOS Inverted
Reset:	Active Low
Reset Timeout:	3 µs Typical
Voltage - Threshold:	2.8V
Operating Temperature:	-20°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	Mini 3P
Base Part Number:	MN138*

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Introduction

The MN13822KP is a microcontroller-based supervisor and reset IC that is used to provide reset, power-on reset, power-down enable, and undervoltage lockout functionality to protect Against any system malfunction caused by brownout conditions or sudden power loss. It is ideal for use in embedded systems, such as microcontrollers, FPGAs and ASICs, for providing flexible supervisory and reset support. This article will focus on MN13822KP application field, its working principle, and features.

Application Field

The MN13822KP is a perfect solution for power supervision as it provides a flexible reset/power-on reset/undervoltage lockout/power-down enable signals. It’s embedded microcontroller makes it a perfect fit to work in embedded system for monitoring over-voltage, under-voltage, or short-circuit conditions. It is also used to detect over-temperature conditions and system failure. Some of the application fields where the MN13822KP can be used include: - Automotive. - Industrial Automation and Automation. - Motor Control. - Medical Equipment. - Home Appliances. - Audio Equipment. - Computer Power Supplies.

Working Principle

The MN13822KP has an embedded microcontroller that helps in monitoring the system and provides power monitoring, voltage monitoring, and temperature monitoring capabilities. The microcontroller continuously monitors the system and determines whether it is functioning correctly, and if not, the reset output pin is asserted, providing a reset signal to the device.The MN13822KP also has two configurable threshold voltages, an over voltage and an under voltage, which can be set using external components. If the system input voltage is below the set threshold, an under voltage reset signal is generated and asserted, and if the input voltage rises above the threshold, an over voltage reset signal is generated and asserted. If the input voltage falls within the predetermined window, the reset output is de-asserted, and the system continues to operate. The MN13822KP also has a power down enable pin that can be connected to a switch, allowing the user to trigger a power-down feature. When the pin is low, the MN13822KP will assert a power-down signal

Features

The MN13822KP has several features that make it an excellent choice for use in embedded systems,- Compact Size: The MN13822KP is a very small device, measuring just 3.2mm x 2.5mm and has a low profile, making it easy to integrate into any system. - Low Power Consumption: The device has low power consumption, as it is typically powered by between 1.65V - 5.5V and consumes less than 1µA when inactive or in standby mode. - Enhanced Accuracy: The MN13822KP has a ±2.5% accuracy over the entire temperature range, ensuring the utmost accuracy when monitoring critical system functions. - Versatile Functions: The MN13822KP offers a variety of functions, including reset, power-on reset, power-down enable, and undervoltage lockout. - Configurable Threshold: The MN13822KP can be configured with an external voltage using an adjustable potentiometer to set the desired threshold for reset/power-on reset/undervoltage/power-down enable functions.

Conclusion

The MN13822KP is an excellent microcontroller-based supervisor and reset IC designed for use in embedded systems. It is compact in size, has low power consumption, and comes with superior accuracy for monitoring the system for any anomalies. It also offers many versatile functions, such as reset, power-on reset, power-down enable, and undervoltage lockout, which can all be configured with an adjustable potentiometer. All of these features make the MN13822KP the perfect choice for power supervision applications.

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