MCP120-450GI/TO

Product Overview

Category

The MCP120-450GI/TO belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring: The MCP120-450GI/TO is designed to monitor the voltage level of a power supply and provide a reset signal when the voltage falls below a certain threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry is properly reset when the power supply voltage drops below the specified level.
• Low power consumption: The MCP120-450GI/TO operates with low power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide voltage range, typically from 1.6V to 5.5V.
• Small package size: The MCP120-450GI/TO is available in a compact TO-92 package, which makes it suitable for space-constrained designs.

Package and Quantity

The MCP120-450GI/TO is packaged in a TO-92 package. Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage: 4.50V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: TO-92

Detailed Pin Configuration

The MCP120-450GI/TO has three pins:

1. VDD: This pin is connected to the positive supply voltage.
2. GND: This pin is connected to the ground or negative supply voltage.
3. RESET: This pin provides the reset signal to the microcontroller or digital circuitry.

Functional Features

• Under-Voltage Monitoring: The MCP120-450GI/TO continuously monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
• Reset Signal Generation: When the supply voltage drops below the threshold, the MCP120-450GI/TO asserts the RESET pin to initiate a system reset.
• Reset Timeout: The reset signal remains active for a specific timeout period (140ms typical) after the supply voltage rises above the threshold. This ensures that the system is stable before resuming normal operation.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption.
• Wide operating voltage range.
• Compact package size.

Disadvantages

• Limited number of pins for additional functionalities.
• Not suitable for applications requiring precise voltage monitoring.

Working Principles

The MCP120-450GI/TO operates by comparing the supply voltage with the threshold voltage. When the supply voltage drops below the threshold, the internal circuitry triggers the generation of a reset signal. This signal remains active for a specified timeout period after the supply voltage rises above the threshold.

Detailed Application Field Plans

The MCP120-450GI/TO finds applications in various electronic devices where voltage monitoring and reset functions are crucial. Some of the common application fields include:

1. Microcontrollers: The MCP120-450GI/TO ensures proper reset functionality for microcontrollers, preventing them from entering an undefined state due to low voltage conditions.
2. Embedded Systems: It is used in embedded systems to monitor the power supply voltage and initiate a system reset if necessary.
3. Battery-Powered Devices: The low power consumption and wide operating voltage range make it suitable for battery-powered devices such as portable electronics, IoT devices, and wearables.
4. Industrial Control Systems: The MCP120-450GI/TO provides reliable voltage monitoring and reset capabilities in industrial control systems, ensuring stable operation even during power fluctuations.

Detailed and Complete Alternative Models

1. MCP120-300GI/TO: This alternative model has a lower threshold voltage of 3.00V, making it suitable for applications with different voltage requirements.
2. MCP120-500GI/TO: This alternative model has a higher threshold voltage of 5.00V, providing flexibility for applications that require a higher voltage threshold.

In conclusion, the MCP120-450GI/TO is an integrated circuit used for voltage monitoring and reset functions. It offers reliable performance, low power consumption, and a wide operating voltage range. With its compact package size, it finds applications in various electronic devices across different industries.