MIC809MUY-TR

Product Overview

Category

MIC809MUY-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 output available in active-low or active-high configurations

Package

MIC809MUY-TR is typically packaged in a SOT-23-3 package.

Essence

The essence of MIC809MUY-TR lies in its ability to monitor and control the voltage levels in electronic devices, ensuring proper functioning and preventing damage.

Packaging/Quantity

MIC809MUY-TR is usually sold in reels containing a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 4.38V, 4.63V, 4.75V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)
• Reset Timeout Period: 140ms (typical)

Detailed Pin Configuration

MIC809MUY-TR has three pins:

1. VDD: This pin is connected to the positive supply voltage.
2. GND: This pin is connected to the ground or negative supply voltage.
3. RESET: This pin provides the reset output signal.

Functional Features

• Voltage Monitoring: MIC809MUY-TR continuously monitors the supply voltage and generates a reset signal when it falls below the specified threshold.
• Reset Output: The reset output can be configured as either active-low or active-high, depending on the application requirements.
• Reset Timeout: The reset signal remains active for a specific timeout period after the supply voltage rises above the threshold, ensuring stability during power-up.

Advantages and Disadvantages

Advantages

• Low power consumption helps in energy-efficient designs.
• Wide operating voltage range allows compatibility with various electronic devices.
• Small package size enables space-saving designs.
• High accuracy ensures reliable voltage monitoring.
• Configurable reset output accommodates different system requirements.

Disadvantages

• Limited reset threshold voltage options may not cover all voltage monitoring needs.
• Reset timeout period may not be adjustable, limiting flexibility in certain applications.

Working Principles

MIC809MUY-TR operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the reset output is activated. The reset signal remains active for the specified timeout period after the supply voltage rises above the threshold, providing a stable reset condition during power-up.

Detailed Application Field Plans

MIC809MUY-TR finds applications in various electronic devices where voltage monitoring and reset functions are critical. Some potential application fields include:

1. Microcontrollers: Ensuring proper operation and preventing data corruption during power fluctuations.
2. Industrial Control Systems: Maintaining system integrity by resetting devices when the supply voltage falls outside acceptable limits.
3. Automotive Electronics: Protecting sensitive components from voltage variations and ensuring reliable operation.
4. Battery-Powered Devices: Monitoring battery voltage to prevent over-discharge and extend battery life.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC809MUY-TR are:

1. MAX809: Manufactured by Maxim Integrated, this series offers a wide range of reset threshold voltage options.
2. MCP809: Produced by Microchip Technology, this series provides adjustable reset timeout periods.
3. TPS3808: Texas Instruments' offering with additional features like manual reset input and watchdog timer functionality.

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

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