MCP120T-315I/SN

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	150 ms Minimum
Voltage - Threshold:	3.075V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	MCP120

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PMIC - Supervisors

PMICs, or Power Management Integrated Chips, are an important part of the electronic landscape. They provide versatile power sources to enable the full utilization of available power. Similarly, supervisors, such as the MCP120T-315I/SN, help keep electronic devices running in peak condition. In this article, we’ll look at the MCP120T-315I/SN application field and working principle.The MCP120T-315I/SN is a supervisor with a watchdog timer, designed for use in portable applications. This IC provides load protection, under-voltage monitoring, and system reset to prevent device malfunctions. The device comes in a small package of 8-pins, making it a great choice for limited space applications.The MCP120T-315I/SN is used to monitor the voltage supply in a device and reset it if the voltage drops below an acceptable level. It also implemented a watchdog timer, which monitors the system activity and resets the system if it fails to detect any activity within a certain period of time. The device is designed to work with single-cell and multi-cell batteries, as well as non-battery power sources such as ac adaptor and dc converters.The MCP120T-315I/SN operates at a temperature range from -40°C to +85°C and features an externally programmable reset timeout that allows the user to adjust the length of time the system will wait before resetting. The device also has an adjustable reset voltage level, which can be set to a level that will trigger the reset if the voltage drops below that level. Finally, it has an active low MOVIN pin that allows it to be connected to other microcontrollers for system reset.When the voltage of the device remains within the safe operating range, the IC remains inactive and does not affect the power cycle. However, if the system fails to detect activity within the specified amount of time or the voltage drops below the acceptable range, it enters reset mode. In this case, the device will activate its internal reset circuitry, cutting power from the device, allowing it to start the power cycle all over again.In conclusion, the MCP120T-315I/SN is a supervisor with a watchdog timer and provides system reset protection for applications including wearables, handheld devices, and portable computing devices. The device comes with an externally programmable reset timeout, adjustable reset voltage, and an active-low MOVIN pin for connection to other microcontrollers. The MCP120T-315I/SN helps keep electronic devices running in peak condition by resetting the system in cases of malfunction or low voltage.

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