MCP131T-195I/LB

Product Overview

Category

The MCP131T-195I/LB belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the power supply voltage in electronic systems.

Characteristics

• The MCP131T-195I/LB is a low-power, high-accuracy voltage supervisor.
• It operates over a wide temperature range, making it suitable for various applications.
• The device offers a precise voltage threshold detection with a tight tolerance.
• It has a low quiescent current consumption, ensuring minimal power loss.
• The MCP131T-195I/LB provides a reset output signal when the monitored voltage falls below the specified threshold.

Package

This product is available in a small SOT-23 package, which is widely used in compact electronic devices.

Essence

The essence of the MCP131T-195I/LB lies in its ability to monitor and control the power supply voltage, ensuring stable operation of electronic systems.

Packaging/Quantity

The MCP131T-195I/LB is typically packaged in reels containing a specific quantity, such as 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 1.95V
• Reset Timeout Period: Adjustable or fixed options available
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP131T-195I/LB features a standard SOT-23 package with three pins:

1. VDD: This pin is connected to the power supply voltage.
2. GND: This pin is connected to the ground reference.
3. RESET: This pin outputs the reset signal when the voltage falls below the threshold.

Functional Features

• Precise Voltage Monitoring: The MCP131T-195I/LB accurately monitors the power supply voltage, ensuring system stability.
• Reset Output Signal: When the monitored voltage drops below the threshold, the device generates a reset signal to initiate system recovery.
• Low Power Consumption: With its low quiescent current, the MCP131T-195I/LB minimizes power loss and extends battery life in portable devices.
• Wide Temperature Range: The device operates reliably over a wide temperature range, making it suitable for various environments.

Advantages and Disadvantages

Advantages

• High accuracy voltage monitoring
• Low power consumption
• Compact package size
• Wide operating temperature range

Disadvantages

• Fixed or adjustable timeout period options may not suit all applications
• Limited availability of alternative models with different voltage thresholds

Working Principles

The MCP131T-195I/LB works by comparing the power supply voltage with the preset threshold voltage. If the voltage falls below the threshold, the device triggers a reset signal. This signal can be used to initiate system recovery or perform other necessary actions.

Detailed Application Field Plans

The MCP131T-195I/LB finds applications in various electronic systems where precise voltage monitoring is critical. Some potential application fields include:

1. Battery-Powered Devices: Ensuring stable operation and preventing damage due to low voltage conditions.
2. Industrial Control Systems: Monitoring power supply voltage to prevent malfunctions and ensure reliable operation.
3. Automotive Electronics: Protecting sensitive components from voltage fluctuations and ensuring proper functioning.
4. Medical Equipment: Maintaining voltage stability to ensure accurate readings and safe operation.

Detailed and Complete Alternative Models

While the MCP131T-195I/LB is a highly capable voltage supervisor, there are alternative models available in the market that offer different voltage thresholds or additional features. Some notable alternatives include:

1. MCP1316T-XXXI/TT: Adjustable threshold voltage option.
2. MCP1319T-XXXI/TT: Higher threshold voltage for applications requiring a higher voltage monitoring level.
3. MAX823T: Similar functionality with different package options.

These alternative models provide flexibility in choosing the most suitable voltage supervisor for specific application requirements.

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