MCP102T-300E/LB

Product Overview

Category

The MCP102T-300E/LB belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the voltage levels in electronic circuits.

Characteristics

• The MCP102T-300E/LB is a low-power voltage supervisor with a wide operating voltage range.
• It provides accurate monitoring of power supply voltages.
• The device offers a reset output during power-up, power-down, and brownout conditions.
• It has a small package size, making it suitable for space-constrained applications.
• The MCP102T-300E/LB operates at low quiescent current, ensuring minimal power consumption.

Package

The MCP102T-300E/LB is available in a small SOT-23-3 package.

Essence

The essence of the MCP102T-300E/LB is its ability to monitor and control voltage levels in electronic circuits accurately.

Packaging/Quantity

The MCP102T-300E/LB is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Operating Voltage Range: 1.6V to 6.0V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.38V
• Quiescent Current: 5 µA (typical)
• Reset Timeout Period: 140 ms (typical)
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP102T-300E/LB features a standard SOT-23-3 package with the following pin configuration:

```

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| | --| VDD GND |-- | RST | |___________| ```

• VDD: Power supply input
• GND: Ground reference
• RST: Reset output

Functional Features

1. Voltage Monitoring: The MCP102T-300E/LB accurately monitors the power supply voltage and provides a reset output when it falls below a specified threshold.
2. Power-Up and Power-Down Reset: It generates a reset signal during power-up and power-down sequences, ensuring proper initialization and shutdown of the system.
3. Brownout Detection: The device detects brownout conditions, where the power supply voltage drops below a certain level, and triggers a reset to prevent erratic behavior or data corruption.
4. Low Quiescent Current: The MCP102T-300E/LB operates at low quiescent current, minimizing power consumption and extending battery life in portable applications.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring
• Wide operating voltage range
• Small package size
• Low quiescent current

Disadvantages

• Limited reset threshold voltage options
• No adjustable reset timeout period

Working Principles

The MCP102T-300E/LB utilizes a voltage comparator to continuously monitor the power supply voltage. When the voltage falls below the programmed threshold, the reset output is activated. This ensures that the system remains in a known state during voltage fluctuations or power interruptions.

Detailed Application Field Plans

The MCP102T-300E/LB finds applications in various fields, including:

1. Automotive Electronics: Used for voltage monitoring in automotive control systems, ensuring reliable operation under varying electrical conditions.
2. Industrial Automation: Employed in industrial equipment to detect power supply anomalies and trigger appropriate actions or alarms.
3. Consumer Electronics: Integrated into electronic devices to provide stable power supply monitoring, preventing malfunctions and protecting sensitive components.
4. Medical Devices: Ensures the integrity of critical medical equipment by monitoring power supply voltages and triggering necessary actions in case of voltage deviations.

Detailed and Complete Alternative Models

1. MCP100T-300I/TT: Similar to the MCP102T-300E/LB, but with an open-drain reset output.
2. MAX823TUK+: Voltage supervisor with adjustable reset threshold and timeout period.
3. TPS3808G01DBVR: Ultra-low quiescent current voltage supervisor with a wide operating voltage range.

These alternative models offer similar functionality and can be considered as substitutes for the MCP102T-300E/LB in various applications.

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