MN1382UP Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active High
Reset Timeout:	15 µs Typical
Voltage - Threshold:	4.6V
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

MN1382UP is a PMIC (Power Management IC) device that provides low-voltage monitoring, system reset, and watchdog timer functions. It is intended for use in computer systems and other electronic devices that require power safety and reliability. The MN1382UP is a highly integrated supervisor IC with advanced features and is capable of providing a wide range of system monitoring, fuse protection, input/output detection, and reset functions in a single package. This article will discuss the application field and working principle of the MN1382UP.

Application Field

The MN1382UP is an important member of the PMIC - Supervisors family and is suitable for use in various computer and communication products. It can provide reliable system monitoring, reset and high accuracy detection of input or output signals with low power consumption. It is highly versatile and can be used for a variety of functions such as fuse protection, voltage monitoring, reset, watchdog timer, and input/output detection. It is also suitable for use in embedded systems, server applications, and power supply design.The MN1382UP provides the necessary system safety and reliability functions for a variety of applications. It is able to monitor system and power rails with sharp accuracy and low-voltage accuracy. Its wide operating temperature range makes it suitable for use in various industrial applications and in extreme environments. In addition, its various features contribute to a high degree of reliability in a system.

Working Principle

The MN1382UP incorporates a processor core and multiple memory devices to enable low-power monitoring and reset operations. The processor core executes software that is used to determine system conditions and execute various functions. The memory devices store functions and records system status. The processor core runs software that reads the operating conditions of VCC, VLT, VGM, and VGS voltage levels, and then sets the output pins accordingly.The device\'s reset function is activated by monitoring the VCC, VLT and VGM voltage levels. When the voltage level drops within the specified reset threshold, the reset output activates and the system is reset. The watchdog timer ensures that the system safely recovers from a reset event. The timer has a fixed or programmable timeout period with an adjustable watchdog reset timeout window.The MN1382UP also provides high-level accuracy voltage monitoring, input and output detection, over-current protection, port-level fuse protection and blackout monitoring. The voltage monitor samples the VCC and VLT pins for any voltages that are outside of a set threshold range and then resets the system if any of the monitored voltages exceed normal operating conditions. It also provides inputs and outputs that can be used to detect various settings or trigger a reset if the pins exceed a predefined threshold.

Conclusion

The MN1382UP is a high-performance PMIC - Supervisors device that provides reliable system monitoring, reset and high accuracy detection of input or output signals with low power consumption. It is suitable for wide range of applications such as embedded systems, server applications, and power supply design. It is also capable of providing a wide range of reset, fuse protection, input/output detection, and low-voltage monitoring functions in a single package. The MN1382UP is a versatile device that it is capable of providing the necessary system safety and reliability functions required in various computer and communication products.

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