MCP130-485DI/TO

Product Overview

Category

The MCP130-485DI/TO 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: The MCP130-485DI/TO is designed to monitor the voltage level of a power supply and provide a reset signal when the voltage falls below a certain threshold.
• Reset function: It can generate a reset signal to restart or initialize a microcontroller or other digital circuitry.
• Low power consumption: The MCP130-485DI/TO operates with low 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: This product comes in a small TO-92 package, which is compact and easy to integrate into various electronic designs.

Package and Quantity

The MCP130-485DI/TO is packaged in a TO-92 package. Each package contains one unit of the IC.

Specifications

• Operating Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V, 4.63V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MCP130-485DI/TO has three pins:

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

Functional Features

1. Voltage Monitoring: The MCP130-485DI/TO continuously monitors the voltage level at the VDD pin.
2. Reset Signal Generation: When the voltage falls below the threshold level, the MCP130-485DI/TO generates a reset signal on the RESET pin.
3. Reset Timeout: The reset signal remains active for a fixed timeout period (140ms typical) after the voltage rises above the threshold level.
4. Manual Reset Input: An external push-button can be connected to the RESET pin to manually trigger a reset.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption.
• Wide operating voltage range.
• Compact package size.

Disadvantages

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

Working Principles

The MCP130-485DI/TO operates by comparing the voltage at the VDD pin with the internally set threshold voltage. When the voltage falls below the threshold, the internal circuitry triggers the generation of a reset signal. This signal remains active for a fixed timeout period after the voltage rises above the threshold.

Application Field Plans

The MCP130-485DI/TO is widely used in various electronic devices that require voltage monitoring and reset functions. Some common application fields include:

1. Microcontrollers: It ensures proper initialization and reliable operation of microcontrollers by providing a reset signal when the power supply voltage drops below the threshold.
2. Embedded Systems: It is used in embedded systems to monitor the power supply voltage and initiate a system reset if necessary.
3. Battery-Powered Devices: The low power consumption and wide operating voltage range make it suitable for battery-powered devices such as portable electronics and IoT devices.
4. Industrial Control Systems: It plays a crucial role in industrial control systems to ensure stable operation and prevent data corruption during power fluctuations.

Alternative Models

1. MCP130-300DI/TO: Similar to MCP130-485DI/TO but with a different threshold voltage option (3.00V).
2. MCP130-500DI/TO: Similar to MCP130-485DI/TO but with a different threshold voltage option (5.00V).
3. MCP130T-315I/TT: SOT-23 package variant with a different threshold voltage option (3.15V).

These alternative models provide similar functionality but with different threshold voltage options and package sizes.

In conclusion, the MCP130-485DI/TO is an integrated circuit used for voltage monitoring and reset functions in various electronic devices. Its compact size, low power consumption, and wide operating voltage range make it suitable for a wide range of applications. However, it has limited threshold voltage options and a fixed timeout period.