MCP130-270I/SN

Product Overview

Category

MCP130-270I/SN 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: MCP130-270I/SN is designed to monitor the supply voltage and provide a reset signal when it 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.
• Package: The MCP130-270I/SN comes in an industry-standard 8-pin small outline package (SN).
• Essence: This IC is essential for maintaining stable operation and preventing data corruption in various electronic systems.
• Packaging/Quantity: The MCP130-270I/SN is typically packaged in reels, with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V, 4.63V, 4.88V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Reset Timeout Period: 140ms (typical)

Detailed Pin Configuration

The MCP130-270I/SN has the following pin configuration:

1. VDD: Supply voltage input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Active-low reset output
5. VDD: Supply voltage input
6. GND: Ground reference
7. NC: No connection
8. NC: No connection

Functional Features

• Voltage Monitoring: The MCP130-270I/SN continuously monitors the supply voltage and compares it to the preset threshold voltage.
• Reset Generation: When the supply voltage falls below the threshold, the MCP130-270I/SN asserts the reset signal, ensuring a controlled restart of the system.
• Manual Reset: The MR pin allows for manual reset control, overriding the automatic reset function.

Advantages and Disadvantages

Advantages

• Reliable Voltage Monitoring: Ensures stable operation by monitoring the supply voltage.
• Controlled System Restart: Provides a reset signal to bring the system back to a known state after power-up or brownout conditions.
• Manual Reset Capability: Allows for manual control over the reset function.

Disadvantages

• Limited Threshold Options: The available threshold voltage options may not cover all specific application requirements.
• Noisy Environment Sensitivity: High levels of noise in the supply voltage may affect the accuracy of the voltage monitoring.

Working Principles

The MCP130-270I/SN operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the reset output is asserted, indicating a low-voltage condition. This ensures that the connected microcontroller or digital circuitry starts in a known state. The manual reset input allows for an external signal to override the automatic reset function.

Detailed Application Field Plans

The MCP130-270I/SN finds applications in various electronic systems where voltage monitoring and controlled system restart are crucial. Some specific application fields include:

1. Embedded Systems: Used in microcontroller-based embedded systems to ensure reliable operation and prevent data corruption during power fluctuations.
2. Industrial Automation: Employed in industrial automation equipment to monitor power supply integrity and initiate controlled system restarts when necessary.
3. Automotive Electronics: Integrated into automotive electronics to provide voltage monitoring and reset functions, ensuring proper functioning of critical systems.
4. Medical Devices: Utilized in medical devices to monitor power supply stability and initiate system resets to prevent data loss or malfunction.

Detailed and Complete Alternative Models

1. MCP130-300I/SN: Similar to MCP130-270I/SN but with a higher threshold voltage option of 3.0V.
2. MCP130-450I/SN: Offers a higher threshold voltage option of 4.5V, suitable for applications with higher supply voltages.
3. MCP130T-315I/TT: Provides an open-drain reset output and a wider operating temperature range (-40°C to +125°C).

These alternative models offer similar functionality with slight variations in threshold voltage options, operating temperature range, and output configuration.

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