MIC803-44D4VM3-TR

Product Overview

Category

MIC803-44D4VM3-TR belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Low power consumption
• Wide operating voltage range
• Small package size
• High accuracy
• Reset timeout delay

Package

MIC803-44D4VM3-TR is available in a small SOT-23-3 package.

Essence

The essence of this product lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring proper functioning of electronic devices.

Packaging/Quantity

MIC803-44D4VM3-TR is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 4.4V
• Reset Timeout Delay: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

MIC803-44D4VM3-TR has three pins:

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

Functional Features

• Voltage Monitoring: The MIC803-44D4VM3-TR continuously monitors the supply voltage and compares it to the preset threshold voltage.
• Reset Signal Generation: When the supply voltage drops below the threshold voltage, the IC generates a reset signal on the RESET pin.
• Reset Timeout: The reset signal remains active for a specific timeout period, allowing the device to reset properly before resuming normal operation.

Advantages and Disadvantages

Advantages

• Low power consumption ensures minimal impact on overall device power consumption.
• Wide operating voltage range makes it compatible with a variety of electronic devices.
• Small package size allows for space-efficient integration into compact designs.
• High accuracy ensures reliable voltage monitoring and reset functionality.

Disadvantages

• The reset timeout delay may not be adjustable, limiting its flexibility in certain applications.
• Limited availability of alternative models from other manufacturers.

Working Principles

MIC803-44D4VM3-TR operates based on a voltage comparator circuit. It compares the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold voltage, the IC generates a reset signal. This signal remains active for a specific timeout period, allowing the device to reset properly before resuming normal operation.

Detailed Application Field Plans

MIC803-44D4VM3-TR finds application in various electronic devices where voltage monitoring and reset functions are critical. Some common application fields include:

1. Microcontrollers: Ensuring proper reset functionality during power fluctuations or brownout conditions.
2. Embedded Systems: Providing reliable reset signals to ensure system stability and prevent data corruption.
3. Power Management Circuits: Monitoring voltage levels to protect sensitive components from overvoltage or undervoltage conditions.
4. Industrial Control Systems: Enabling safe and controlled restarts after power interruptions.

Detailed and Complete Alternative Models

While MIC803-44D4VM3-TR is a popular choice for voltage monitoring and reset functions, there are alternative models available from different manufacturers. Some notable alternatives include:

1. MAX803/MAX809: Manufactured by Maxim Integrated, these ICs offer similar features and performance.
2. MCP100: Produced by Microchip Technology, this IC provides voltage monitoring and reset capabilities.
3. TPS380x: Texas Instruments offers a range of ICs with voltage monitoring and reset functions.

These alternative models provide options for designers and engineers to choose the most suitable product for their specific application requirements.

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