MCP102T-450E/TT

Product Overview

Category

The MCP102T-450E/TT belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a voltage supervisor or reset generator in various electronic devices.

Characteristics

• Voltage monitoring: The MCP102T-450E/TT can monitor the voltage level and provide a reset signal when it falls below a certain threshold.
• Low power consumption: This IC is designed to operate with minimal 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 MCP102T-450E/TT is available in a compact SOT-23 package, which makes it suitable for space-constrained designs.
• High accuracy: It provides accurate voltage monitoring with a tight voltage threshold tolerance.

Package and Quantity

The MCP102T-450E/TT is packaged in a SOT-23 package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 4.50V
• Reset Timeout Period: Adjustable
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

Pin Configuration

The MCP102T-450E/TT has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Voltage Monitoring: The MCP102T-450E/TT continuously monitors the input voltage and compares it with the preset threshold voltage.
• Reset Generation: When the input voltage drops below the threshold, the IC generates a reset signal on the RESET pin.
• Adjustable Timeout Period: The reset signal remains active for a user-adjustable timeout period after the voltage rises above the threshold.
• Manual Reset Input: An additional pin allows for manual reset control.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable system operation.
• Low power consumption extends battery life in portable devices.
• Wide operating voltage range enables compatibility with various power supply configurations.
• Small package size facilitates space-constrained designs.

Disadvantages

• Lack of built-in hysteresis may lead to potential noise-related issues.
• Limited number of pins restricts additional functionality integration.

Working Principles

The MCP102T-450E/TT operates by continuously comparing the input voltage with the preset threshold voltage. When the input voltage falls below the threshold, the IC generates a reset signal. This signal remains active for a user-adjustable timeout period after the voltage rises above the threshold. The IC also provides a manual reset input for external control.

Application Field Plans

The MCP102T-450E/TT finds applications in various electronic systems where voltage monitoring and reset generation are critical. Some potential application fields include:

1. Microcontroller Systems: Ensuring proper system initialization and preventing erratic behavior during power-up or brownout conditions.
2. Industrial Control Systems: Providing reliable reset signals to ensure safe operation and prevent damage to equipment.
3. Automotive Electronics: Monitoring battery voltage and generating reset signals to protect sensitive components during voltage fluctuations.
4. Portable Devices: Extending battery life by initiating power-saving modes when the voltage drops below a certain level.

Alternative Models

Some alternative models that offer similar functionality to the MCP102T-450E/TT include:

1. MAX809: Manufactured by Maxim Integrated, this IC offers voltage monitoring and reset generation features.
2. TPS3808: Produced by Texas Instruments, this IC provides voltage supervision and reset generation capabilities.
3. ADM6315: Manufactured by Analog Devices, this IC offers voltage monitoring and reset generation in a small package.

These alternative models can be considered based on specific application requirements and availability.

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