Microchip Technology MCP101T-270I/TT Microcontroller Supervisory Circuit

The Microchip Technology MCP101T-270I/TT is a highly reliable supervisory circuit designed for monitoring the power supply and microcontroller health within an electronic system. This compact, power-saving device is an essential component for enhancing the stability and performance of microcontroller-based applications.

The MCP101T-270I/TT operates over a wide voltage range and provides a precision voltage monitoring solution. It is specifically designed to maintain system integrity by monitoring the power supply voltage levels and asserting a reset signal to the connected microcontroller when necessary. This ensures that the system initializes in a known state after experiencing power-on, brown-out, or power failure conditions.

Key Features:

• Voltage Threshold: The device has a preset threshold voltage of 2.7V, suitable for monitoring 3V systems.
• Temperature Range: It is operational over the industrial temperature range of -40°C to +85°C, making it robust for challenging environmental conditions.
• Reset Delay Time: It features a built-in delay time of 350 ms (minimum), providing enough time for the power supply to stabilize before allowing the microcontroller to resume operation.
• Output Type: The MCP101T-270I/TT offers an active-low, open-drain reset output, which can interface directly with the reset pin of most microcontrollers.
• Supply Voltage Range: It supports a supply voltage range from 1.0V to 5.5V, accommodating various system designs and power sources.
• Low Power Consumption: With its low supply current draw of 1 µA (typical), it minimizes the power burden on battery-operated systems.
• Package: The component is available in a 3-pin SOT-23 package, which is well-suited for space-constrained applications.

The MCP101T-270I/TT is a reliable solution for system designers looking to improve the reliability and performance of their applications. By providing an accurate and stable supervisory function, this Microchip device helps to prevent system failures and data corruption that can occur due to unpredictable power supply conditions. Its ease of integration and low power consumption make it an excellent choice for portable devices, consumer electronics, automotive systems, and many other applications that require a robust power management solution.