MCP111-270E/TO

Supervisors Overview

The MCP111-270E/TO is a micropower voltage supervisor manufactured by Microchip Technology, designed to monitor system power integrity. It operates within a supply voltage range of 1 V to 5.5 V and features an ultra-low steady-state supply current of 1.75 µA. The device provides precise monitoring with an under-voltage threshold of 2.591 V and an over-voltage threshold of 2.67 V, centered around a nominal 2.63 V trip point. It utilizes an active-low open-drain reset output and includes a typical 120 ms reset delay timer to ensure stable operation during power transitions.

Supervisors Feature Summary

• Ultra-low supply current consumption for extended battery life in portable applications
• Precision voltage monitoring with defined under-voltage and over-voltage thresholds
• Active-low open-drain reset output compatible with various logic families
• Integrated reset delay timer to prevent false triggering during power fluctuations

Supervisors Applications

• Microcontroller reset circuits in embedded systems
• Battery-powered devices requiring low quiescent current
• Portable electronic equipment with strict power management needs
• Industrial control systems operating in extended temperature ranges

Supervisors Procurement Notes

Verify the specific suffix E/TO corresponds to the TO-92-3 through-hole package and industrial temperature grade (-40°C to +85°C). Confirm AEC-Q100 qualification status if automotive compliance is required. Ensure the active-low open-drain output configuration matches the target microcontroller input requirements. Cross-reference the 2.63 V threshold against system voltage rails to guarantee accurate supervision.

Supervisors Selection Notes

Select this component when a low-cost, low-power voltage supervisor is needed for single-input monitoring. The TO-92-3 package suits prototyping or low-volume through-hole designs. Consider the 120 ms typical delay for system startup stability. Verify that the open-drain output allows for appropriate pull-up resistor selection based on the host logic voltage levels.

Supervisors Part Context

This part belongs to the MCP111 series of micropower voltage supervisors from Microchip Technology. The series offers multiple precision threshold options and various package types including SOT23-3, SC-70, and TO-92. These devices are engineered to provide reliable reset signals for microcontrollers and other digital logic during power-loss events, ensuring system reliability across industrial and consumer applications.

Supervisors Replacement Considerations

Compatible alternatives include the MP111-270I/TO from the same manufacturer family. Verify pinout compatibility and electrical parameter alignment before substitution.

Supervisors FAQ

What is the reset output type of the MCP111-270E/TO?

The MCP111-270E/TO features an active-low, open-drain reset output.

Does the MCP111-270E/TO include a manual reset function?

No, the MCP111-270E/TO does not support manual reset functionality.

What is the typical reset delay time for this device?

The device includes a reset delay timer with a typical duration of 120 ms.