MCP130-450I/SN

Product Overview

Category

MCP130-450I/SN belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring: MCP130-450I/SN is designed to monitor the supply voltage and provide a reset signal when it falls below a certain threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry starts in a known state after power-up or brownout conditions.
• Low power consumption: The MCP130-450I/SN operates with low quiescent current, 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: This IC is available in a small SOT-23 package, which saves board space.

Package and Quantity

The MCP130-450I/SN is packaged in a surface-mount SOT-23 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Accuracy: ±2%
• Quiescent Current: 1.5µA (typical)
• Reset Timeout Period: 450ms (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MCP130-450I/SN has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin for the reset signal.

┌───┐ RESET ─┤ ├─ VDD │ │ GND ──┤ ├─ NC └───┘

Functional Features

• Voltage monitoring: The MCP130-450I/SN continuously monitors the supply voltage and compares it to a fixed threshold.
• Reset signal generation: When the supply voltage falls below the threshold, the IC generates a reset signal on the RESET pin.
• Reset timeout: The reset signal remains active for a specific period (450ms) after the supply voltage rises above the threshold, ensuring a stable system startup.

Advantages and Disadvantages

Advantages

• Simple integration: The MCP130-450I/SN is easy to integrate into various electronic designs due to its small package size and low power consumption.
• Reliable reset function: It ensures that the microcontroller or digital circuitry starts in a known state, reducing the risk of unpredictable behavior.
• Wide operating voltage range: The IC can be used in a wide range of applications with different supply voltages.

Disadvantages

• Fixed threshold voltage: The threshold voltage cannot be adjusted, limiting its flexibility in certain applications where a custom threshold is required.
• Single reset timeout period: The reset timeout period is fixed at 450ms, which may not be suitable for all applications.

Working Principles

The MCP130-450I/SN operates by comparing the supply voltage with a fixed threshold voltage. When the supply voltage drops below the threshold, the IC generates a reset signal. This signal remains active for a specific timeout period (450ms) after the supply voltage rises above the threshold. This ensures a reliable reset function and stable system startup.

Application Field Plans

The MCP130-450I/SN finds applications in various electronic devices where voltage monitoring and reset functions are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and reliable operation of microcontrollers in embedded systems.
2. Industrial control systems: Providing voltage monitoring and reset functionality in industrial automation and control systems.
3. Consumer electronics: Incorporating the MCP130-450I/SN in devices such as smart home appliances, wearables, and IoT devices to ensure stable operation.

Alternative Models

1. MCP130-300I/SN: Similar to MCP130-450I/SN but with a shorter reset timeout period of 300ms.
2. MCP130-500I/SN: Similar to MCP130-450I/SN but with a longer reset timeout period of 500ms.
3. MCP130T-270I/TT: A temperature sensor-integrated version of MCP130-450I/SN, providing both voltage monitoring and temperature sensing capabilities.

These alternative models offer different reset timeout periods or additional features to suit specific application requirements.

In conclusion, the MCP130-450I/SN is an integrated circuit designed for voltage monitoring and reset functions. Its small package size, low power consumption, and wide operating voltage range make it suitable for various electronic applications. While it has fixed threshold voltage and reset timeout period, its advantages include simple integration, reliable reset function, and compatibility