MCP112T-450E/LB Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	4.38V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SC-70-3
Base Part Number:	MCP112

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Introduction

The MCP112T-450E/LB is an integrated circuit designed for use as a voltage supervisor. It allows for uninterrupted power to connected applications by monitoring for undervoltage (UVLO) and overvoltage (OVLO) conditions. This integrated circuit is available in an 8-pin TSSOP package (Thin Shrink Small Outline Package). It has a wide range of operating temperature (-40°C to +85°C) and input voltage ranges (2.5V to 18V). Additionally, the low-current consumption of this voltage supervisor makes it suitable for battery-powered applications. The MCP112T-450E/LB can be used to protect microcontrollers, FPGAs and other sensitive digital components from unexpected power outages due to load increases or supply voltage fluctuations.

Application Field

The MCP112T-450E/LB can be used to monitor the input voltage of a wide variety of applications. It is particularly suitable for use in battery-powered applications, due to its low-power consumption, wide operating temperature range and wide input voltage range. Some of the applications in which this integrated circuit can be used include automotive ECUs, industrial systems, HVAC (Heating, Ventilation,Air Conditioning) systems, AHU (Air Handling Units) and building automation. Additionally, this voltage supervisor can be used to protect microcontrollers, FPGAs and other sensitive digital components from unexpected power outages due to load increases or supply voltage fluctuations.

Working Principle

The MCP112T-450E/LB works by monitoring the input voltage and comparing it to two threshold voltages: the Undervoltage Lockout (UVLO) threshold and the Overvoltage Lockout (OVLO) threshold. When the input voltage falls below the UVLO threshold, the voltage supervisor will shut down the power to its load. Similarly, when the input voltage rises above the OVLO threshold, the voltage supervisor will shut down the power to its load. The MCP112T-450E/LB is also equipped with an input voltage monitor pin (IOV) which is used to signal that the supply voltage has exceeded its OVLO limit.When the input voltage is between the two threshold voltages, the voltage supervisor will output a signal to the system monitor pin (MON) or the output enable pin (OE) to indicate that the system is operating in an expected power range. Additionally, the MCP112T-450E/LB can generate an interrupt signal when the supply voltage passes through either threshold voltage. This can be used to alert system to the presence of an undervoltage or overvoltage condition.

Conclusion

The MCP112T-450E/LB is an integrated circuit designed for use as a voltage supervisor. It is suitable for use in battery-powered applications, due to its low-power consumption, wide operating temperature range and wide input voltage range. The MCP112T-450E/LB works by monitoring the input voltage and comparing it to two threshold voltages, theUndervoltage Lockout (UVLO) threshold and the Overvoltage Lockout (OVLO) threshold. When the input voltage is between the two threshold voltages, the voltage supervisor will output a signal to the system monitor pin (MON) or output enable pin (OE) to indicate that the system is operating in an expected power range. Additionally, the MCP112T-450E/LB can generate an interrupt signal when the supply voltage passes through either threshold voltage.

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