MCP1319MT-29LE/OT

Supervisors Overview

The MCP1319MT-29LE/OT is a voltage supervisory circuit manufactured by Microchip Technology, designed to monitor system power rails and ensure reliable microcontroller operation. It features a fixed threshold voltage of 2.9 V for precise brown-out detection. The device supports multiple output configurations including active high, active low, open drain, and push-pull modes. It provides a manual reset capability and includes a reset delay time of 200 ms. The maximum operating supply voltage is 5.5 V, with an operational temperature range spanning from -40 °C to +125 °C. Packaged in a compact SOT-23-5 surface-mount format, it offers a single monitored input channel.

Supervisors Feature Summary

• Provides manual reset functionality for user-initiated system recovery
• Supports flexible output driver configurations including active high, active low, open drain, and push-pull
• Ensures system stability through a defined 200 ms reset delay period

Supervisors Applications

• Microcontroller system supervision
• Brown-out protection for embedded control applications
• Battery-powered handheld instrumentation
• Telephone handsets and portable devices

Supervisors Procurement Notes

Verify the specific suffix LE/OT against the manufacturer's current datasheet to confirm package type and tape-and-reel specifications. Ensure the 2.9 V threshold aligns with the target system voltage requirements. Confirm that the SOT-23-5 footprint matches the PCB design constraints. Cross-reference the AEC-Q100 qualification status if automotive reliability standards are required for the application environment.

Supervisors Selection Notes

Select this component when a fixed 2.9 V trip point is required for voltage monitoring. Choose this part if manual reset capability is necessary alongside automatic power-on reset functions. Consider the available output types to match interface requirements with the connected logic family. Verify that the 5.5 V maximum supply rating covers the peak voltage conditions of the application without exceeding limits.

Supervisors Part Context

This device belongs to the MCP131x/2x family of system supervisors and reset circuits from Microchip Technology. The family is engineered to protect microcontrollers, ASICs, and digital signal processors from supply voltage drops below safe operating levels. These components are widely utilized in embedded control applications requiring cost-effective and precision voltage monitoring solutions.

Supervisors Replacement Considerations

The MCP1318MT-29BE/OT serves as a related alternative within the same product family, offering similar voltage supervision capabilities. Both devices utilize the SOT-23-5 package and share comparable threshold voltages. Engineers should verify specific electrical characteristics and output driver configurations before substituting one part for another to ensure functional compatibility.