The MCP111T-450E/TT is a compact and highly reliable voltage supervisory device designed and manufactured by Microchip Technology. It is specifically engineered to provide precision monitoring of power supplies, ensuring that microcontrollers and digital systems operate within their specified voltage ranges. The device's primary function is to maintain system integrity by monitoring the voltage level and issuing a reset signal whenever necessary, thus preventing system failure due to unexpected voltage fluctuations.

Key Features

• Voltage Threshold: The MCP111T-450E/TT has a preset threshold voltage of 4.50V, which is ideal for 5V systems.
• Accuracy: It offers high threshold accuracy (±1.5%), which is critical for systems that require precise voltage monitoring.
• Low Power Consumption: With a quiescent current of just 1 µA (typical), it is an energy-efficient solution for battery-operated devices.
• Temperature Range: The device operates over an extended temperature range from -40°C to +125°C, making it suitable for various industrial and automotive applications.
• Reset Timeout: It provides a minimum reset timeout of 350 ms, ensuring ample time for the system to recover after a voltage drop.
• Form Factor: This supervisory circuit is available in a small SOT-23 package, which is ideal for space-constrained applications.
• Push-Pull Output: The MCP111T-450E/TT features an active-low push-pull reset output, which eliminates the need for an external pull-up resistor and simplifies circuit design.

Applications

The MCP111T-450E/TT is versatile and can be used in a variety of applications where voltage monitoring is critical. This includes:

• Portable/Battery-Powered Devices
• Microcontroller Systems
• Computers and Communication Equipment
• Data Storage Devices
• Medical and Safety Equipment
• Automotive Electronics

In conclusion, the MCP111T-450E/TT from Microchip Technology is an essential component for any system that demands reliable voltage supervision. Its precision, low power consumption, and robustness in extreme temperatures make it an excellent choice for designers looking to enhance system stability and safety.