MIC809TU-TR

Product Overview

Category

MIC809TU-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

Package

MIC809TU-TR is available in a SOT-23-3 package.

Essence

The essence of MIC809TU-TR lies in its ability to monitor and control the voltage levels in electronic circuits, ensuring proper functioning and preventing damage.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of MIC809TU-TR ICs.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 4.63V, 4.38V, 4.75V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

MIC809TU-TR has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Voltage Monitoring: MIC809TU-TR continuously monitors the input voltage and generates a reset signal if it falls below the specified threshold.
• Reset Signal Generation: When the monitored voltage drops below the threshold, the RESET pin goes low, indicating the need for a system reset.
• Adjustable Threshold and Timeout: The product offers various options for threshold voltage and timeout period, allowing flexibility in different applications.
• Low Power Consumption: MIC809TU-TR operates with low power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring and reset functionality.
• Wide operating voltage range allows compatibility with various systems.
• Small package size enables space-saving designs.
• Low power consumption prolongs battery life.

Disadvantages

• Limited threshold voltage and timeout period options may not meet the specific requirements of all applications.
• Lack of additional features such as hysteresis or adjustable delay.

Working Principles

MIC809TU-TR works based on a voltage comparator circuit. It compares the input voltage with the specified threshold voltage. If the input voltage drops below the threshold, the comparator triggers the reset signal, indicating the need for a system reset.

Detailed Application Field Plans

MIC809TU-TR finds applications in various electronic devices where voltage monitoring and reset functions are crucial. Some common application fields include:

1. Microcontrollers: Ensuring proper operation by monitoring supply voltage levels.
2. Embedded Systems: Preventing data corruption or system malfunction due to voltage fluctuations.
3. Industrial Control Systems: Providing reliable reset functionality for critical equipment.
4. Automotive Electronics: Protecting sensitive components from voltage variations.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC809TU-TR are:

1. MAX809: Manufactured by Maxim Integrated, this series provides a wide range of voltage threshold options.
2. MCP809: Offered by Microchip Technology, these ICs feature adjustable timeout periods.
3. TPS3808: Texas Instruments produces this series with additional features like hysteresis and adjustable delay.

These alternative models can be considered based on specific application requirements and desired features.

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