MCP102-240E/TO

Product Overview

Category

The MCP102-240E/TO belongs to the category of integrated circuits (ICs) specifically designed for voltage monitoring and reset functions.

Use

This product is commonly used in electronic devices where accurate voltage monitoring and reset functionality are required. It ensures proper operation by monitoring the power supply voltage and initiating a reset when necessary.

Characteristics

• Voltage monitoring: The MCP102-240E/TO accurately monitors the power supply voltage within a specified range.
• Reset function: It provides a reset signal to the microcontroller or other components when the voltage falls below a predetermined threshold.
• Low power consumption: This IC operates with low power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: The MCP102-240E/TO can operate within a wide voltage range, typically from 1.6V to 5.5V.
• Small package size: It comes in a TO-92 package, which is compact and easy to integrate into various electronic designs.

Package and Quantity

The MCP102-240E/TO is packaged in a TO-92 package. Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Accuracy: ±2%
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Reset Timeout Period: 140ms (typical)

Detailed Pin Configuration

The MCP102-240E/TO has three pins:

1. VDD: Power supply input pin (+)
2. GND: Ground pin (-)
3. RESET: Reset output pin

Functional Features

• Accurate voltage monitoring: The MCP102-240E/TO continuously monitors the power supply voltage and provides a reliable indication of its status.
• Reset signal generation: When the voltage falls below the threshold, the IC generates a reset signal to ensure proper system operation.
• Adjustable threshold voltage: The threshold voltage can be adjusted externally using a resistor divider network, allowing flexibility in different applications.
• Power-on reset delay: The MCP102-240E/TO includes a power-on reset delay circuit to prevent false resets during power-up.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable system operation.
• Low power consumption extends battery life in portable devices.
• Wide operating voltage range makes it compatible with various power supply configurations.
• Small package size allows for easy integration into space-constrained designs.

Disadvantages

• Limited number of pins may restrict additional functionalities.
• External components required for threshold voltage adjustment.

Working Principles

The MCP102-240E/TO operates by comparing the input voltage (VDD) with the internally set threshold voltage. When VDD falls below the threshold, the reset output is activated, signaling a low-voltage condition. The reset remains active until the voltage rises above the threshold again.

Detailed Application Field Plans

The MCP102-240E/TO finds applications in various electronic systems where voltage monitoring and reset functionality are critical. Some potential application fields include:

1. Microcontroller-based systems: Ensures proper operation and prevents data corruption in microcontroller-based applications.
2. Industrial automation: Monitors power supply voltages in control systems, preventing malfunctions and ensuring safe operation.
3. Automotive electronics: Provides voltage monitoring and reset functions in automotive systems, enhancing reliability and safety.
4. Battery-powered devices: Protects battery-powered devices from undervoltage conditions, preventing damage to sensitive components.

Detailed and Complete Alternative Models

1. MCP102-195E/TO: Similar to MCP102-240E/TO but with a lower threshold voltage of 1.95V.
2. MCP102-330E/TO: Similar to MCP102-240E/TO but with a higher threshold voltage of 3.3V.
3. MCP102-500E/TO: Similar to MCP102-240E/TO but with a higher threshold voltage of 5V.

These alternative models offer different threshold voltage options to suit specific application requirements.

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