MCP120-270GI/TO

Product Overview

Category

The MCP120-270GI/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 MCP120-270GI/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 starts in a known state after power-up or brownout conditions.
• Low power consumption: The MCP120-270GI/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 6.0V.
• Small package size: The MCP120-270GI/TO is available in a small TO-92 package, which makes it suitable for space-constrained applications.

Package and Quantity

The MCP120-270GI/TO is packaged in a TO-92 package. It is typically sold in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Threshold Voltage: 2.70V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: TO-92

Pin Configuration

The MCP120-270GI/TO has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that provides a reset signal to the microcontroller or digital circuitry.

Functional Features

• Under-voltage detection: Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
• Reset signal generation: Provides a stable reset signal to ensure proper initialization of microcontrollers or digital circuitry.
• Reset timeout: The MCP120-270GI/TO includes an internal timer that keeps the reset signal active for a specific period (140ms typical) after the supply voltage rises above the threshold.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption.
• Wide operating voltage range.
• Small package size for space-constrained applications.

Disadvantages

• Limited reset timeout period may not be suitable for all applications requiring longer reset times.
• Requires an external capacitor for stability.

Working Principles

The MCP120-270GI/TO operates by continuously monitoring the supply voltage. When the voltage falls below the threshold voltage, the internal circuitry triggers a reset signal. This signal remains active for a specific period, typically 140ms, after the voltage rises above the threshold. This ensures that the microcontroller or digital circuitry starts in a known state.

Application Field Plans

The MCP120-270GI/TO finds applications in various electronic devices where voltage monitoring and reset functions are essential. Some potential application fields include:

1. Embedded systems: Used to monitor and reset microcontrollers in embedded systems.
2. Power supplies: Ensures proper initialization of digital circuitry in power supply units.
3. Industrial automation: Provides reliable reset functionality in industrial automation equipment.
4. Consumer electronics: Used in devices like smart home appliances, IoT devices, and wearable technology.

Alternative Models

Here are some alternative models that offer similar functionality:

1. MCP130T-315I/TT
2. MAX809TTRG
3. ADM708TARZ
4. TPS3808G01DBVR

These alternatives can be considered based on specific requirements and compatibility with the application.

In conclusion, the MCP120-270GI/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. Its small package size makes it suitable for space-constrained applications. However, it has a limited reset timeout period and requires an external capacitor for stability. The MCP120-270GI/TO finds applications in various fields such as embedded systems, power supplies, industrial automation, and consumer electronics. Alternative models are available to cater to specific needs and compatibility.