MCP1318MT-29LE/OT

Product Overview

Category

The MCP1318MT-29LE/OT belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage supervision range: 2.9V
• Low quiescent current: 1.6µA (typical)
• Small package size: SOT-23-5
• Wide operating temperature range: -40°C to +125°C
• Power-on reset delay time: 150ms (typical)

Package

The MCP1318MT-29LE/OT is available in a small outline transistor (SOT) package, specifically SOT-23-5.

Essence

The essence of this product lies in its ability to provide accurate voltage monitoring and reset generation functions in various electronic applications.

Packaging/Quantity

The MCP1318MT-29LE/OT is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply voltage range: 1.0V to 5.5V
• Reset threshold voltage: 2.93V (typical)
• Reset output type: Active-low push-pull
• Reset timeout period: 140ms (typical)
• Operating current: 1.6µA (typical)
• Power-on reset delay time: 150ms (typical)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MCP1318MT-29LE/OT has five pins arranged as follows:

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Pin 1: VDD - Supply voltage input
Pin 2: GND - Ground
Pin 3: MR - Manual reset input
Pin 4: RESET - Reset output
Pin 5: VOUT - Voltage monitor output

Functional Features

1. Voltage Monitoring: The MCP1318MT-29LE/OT continuously monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
2. Power-On Reset: It provides a power-on reset delay to ensure stable operation during system startup.
3. Manual Reset: The manual reset input allows for an external reset signal to override the internal monitoring function.

Advantages and Disadvantages

Advantages

• Low quiescent current consumption ensures minimal power usage.
• Wide operating temperature range makes it suitable for various environments.
• Small package size enables space-saving integration into compact electronic systems.

Disadvantages

• Limited voltage supervision range may not be suitable for applications requiring higher or lower thresholds.
• Reset timeout period may not be adjustable, limiting flexibility in certain scenarios.

Working Principles

The MCP1318MT-29LE/OT operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, indicating a power failure or unstable voltage condition. The power-on reset delay ensures that the reset signal is generated only after a stable voltage is established during system startup.

Detailed Application Field Plans

The MCP1318MT-29LE/OT finds application in various electronic systems where accurate voltage monitoring and reset generation are crucial. Some specific application fields include:

1. Microcontrollers: Ensuring reliable operation by monitoring the power supply voltage and initiating a reset if necessary.
2. Industrial Control Systems: Preventing malfunctions by monitoring voltage fluctuations and triggering appropriate actions.
3. Battery-Powered Devices: Protecting against undervoltage conditions to prevent damage to sensitive components.

Detailed and Complete Alternative Models

1. MCP1316MT-29LE/OT: Similar to MCP1318MT-29LE/OT but with a lower reset threshold voltage of 2.9V.
2. MCP1319MT-29LE/OT: Similar to MCP1318MT-29LE/OT but with a higher reset threshold voltage of 3.0V.
3. MCP130T-300I/TT: Voltage supervisor with a fixed reset threshold of 3.0V and an open-drain reset output.

These alternative models provide options for different voltage requirements and output configurations, allowing flexibility in design choices.

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