MIC803-46D4VC3-TR

Product Overview

Category

MIC803-46D4VC3-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
• Fast response time

Package

MIC803-46D4VC3-TR is available in a small SOT-23-3 package.

Essence

The essence of this product lies in its ability to monitor and control the voltage levels in electronic systems, ensuring proper functioning and preventing damage due to voltage fluctuations.

Packaging/Quantity

MIC803-46D4VC3-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: 4.6V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

MIC803-46D4VC3-TR has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that indicates the status of the monitored voltage.

Functional Features

• Voltage Monitoring: MIC803-46D4VC3-TR continuously monitors the input voltage and provides a reset signal when it falls below the specified threshold.
• Reset Signal Generation: When the input voltage drops below the threshold, the RESET pin goes low, indicating the need for a system reset.
• Reset Timeout: The reset signal remains active for a specific timeout period, allowing the system to stabilize before resuming normal operation.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range allows compatibility with various systems.
• Small package size enables space-saving designs.
• High accuracy ensures reliable voltage monitoring.
• Fast response time minimizes system downtime.

Disadvantages

• The reset timeout period is fixed and may not be adjustable for specific applications.
• Limited availability of alternative models from other manufacturers.

Working Principles

MIC803-46D4VC3-TR works based on a voltage comparator circuit. It compares the input voltage with the preset threshold voltage. When the input voltage drops below the threshold, the comparator triggers the reset signal, indicating the need for a system reset. The reset signal remains active for the specified timeout period, allowing the system to stabilize before resuming normal operation.

Detailed Application Field Plans

MIC803-46D4VC3-TR finds applications in various electronic devices where voltage monitoring and reset functions are critical. Some of the common application fields include:

1. Microcontrollers: Ensuring proper voltage levels for reliable operation.
2. Power Supplies: Protecting sensitive components from voltage fluctuations.
3. Industrial Control Systems: Preventing damage due to unstable power sources.
4. Automotive Electronics: Monitoring voltage levels in vehicle systems.
5. Home Automation: Maintaining stable voltage for smart home devices.

Detailed and Complete Alternative Models

While MIC803-46D4VC3-TR is a popular choice, there are alternative models available from different manufacturers that offer similar functionality. Some of the alternatives include:

1. MAX803/MAX809: Manufactured by Maxim Integrated.
2. MCP100: Produced by Microchip Technology.
3. TPS380x: Offered by Texas Instruments.

These alternative models provide comparable voltage monitoring and reset features, but designers should consider their specific requirements and consult datasheets for detailed specifications.

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