Microchip Technology MCP130T-315 Supervisory Circuit

The MCP130T-315 is a highly-reliable supervisory circuit developed by Microchip Technology, designed to keep microcontroller-based systems safe by monitoring the power supply voltage levels. This device is particularly useful in applications where consistent and reliable system operation is critical, such as in industrial controls, consumer electronics, and automotive systems.

Featuring a precision voltage detector, the MCP130T-315 ensures that when the V<sub>CC falls below a preset threshold, the reset output is quickly driven to an active state, signaling the microcontroller to reinitialize the system. The reset signal maintains its state for a period of time after V<sub>CC has risen above the reset voltage threshold, providing the system with ample time to stabilize.

One of the key features of the MCP130T-315 is its selectable trip point. The device comes with a nominal trip threshold of 3.15V, which is suitable for many common applications. This enables the device to support systems that operate with standard 3.3V power supplies, ensuring that the system does not operate under conditions that could lead to unpredictable behavior.

The MCP130T-315 is also characterized by its low power consumption, which is essential for battery-powered applications where power efficiency is paramount. Additionally, the device is available in a compact, 3-pin TO-92 package, making it easy to integrate into a wide variety of designs without taking up excessive board space.

With its built-in hysteresis to prevent erratic reset operation when V<sub>CC is close to the threshold voltage, and a temperature range of -40°C to +85°C, the MCP130T-315 is designed to perform reliably in harsh environments. Furthermore, the active-low, open-drain reset output ensures compatibility with a variety of microcontrollers and other digital systems.

In summary, the MCP130T-315 supervisory circuit from Microchip Technology offers a robust solution for system voltage monitoring, with a precise threshold, low power consumption, and a small form factor, making it an excellent choice for safeguarding your electronic systems.