MIC812SUY-TR

Product Overview

Category

MIC812SUY-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

• Voltage monitoring: MIC812SUY-TR provides accurate monitoring of the power supply voltage.
• Reset function: It generates a reset signal when the voltage falls below a specified threshold.
• Low power consumption: The IC operates with low power consumption, making it suitable for battery-powered devices.
• Small package size: The product comes in a compact SOT-23 package, allowing for space-efficient designs.
• RoHS compliant: MIC812SUY-TR meets the Restriction of Hazardous Substances directive.

Packaging/Quantity

The MIC812SUY-TR is typically packaged in tape and reel format, containing 3000 units per reel.

Specifications

• Supply voltage range: 1.6V to 5.5V
• Threshold voltage options: 2.93V, 3.08V, 3.63V, 4.38V
• Operating temperature range: -40°C to +85°C
• Quiescent current: 1.5µA (typical)
• Reset timeout period: 140ms (typical)

Detailed Pin Configuration

MIC812SUY-TR has three pins:

1. VDD: Power supply input pin (+)
2. GND: Ground pin (-)
3. RESET: Output pin that provides the reset signal

Functional Features

• Accurate voltage monitoring: The IC continuously monitors the supply voltage and compares it to the preset threshold voltage.
• Reset signal generation: When the voltage drops below the threshold, the IC generates a reset signal to initiate system reset or other necessary actions.
• Adjustable threshold voltage: The MIC812SUY-TR offers multiple threshold voltage options, allowing flexibility in different applications.
• Power-on reset delay: The IC ensures a stable power supply before generating the reset signal, preventing false resets during power-up.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality
• Low power consumption for energy-efficient designs
• Compact package size for space-constrained applications
• RoHS compliant, ensuring environmental friendliness

Disadvantages

• Limited threshold voltage options may not suit all voltage monitoring requirements
• Lack of advanced features compared to more specialized voltage monitoring ICs

Working Principles

MIC812SUY-TR operates by continuously comparing the supply voltage with the preset threshold voltage. When the supply voltage falls below the threshold, the IC triggers the reset signal. This signal remains active until the supply voltage rises above the threshold and stabilizes, ensuring a reliable reset function.

Detailed Application Field Plans

The MIC812SUY-TR finds applications in various electronic devices that require voltage monitoring and reset functions. Some common application fields include:

1. Microcontrollers and microprocessors: Ensures proper system initialization and prevents erratic behavior during power fluctuations.
2. Embedded systems: Provides reliable reset functionality for stable operation and recovery from fault conditions.
3. Battery-powered devices: Monitors battery voltage to prevent deep discharge and protect sensitive components.
4. Industrial automation: Enables safe shutdown and restart procedures during power outages or voltage drops.
5. Automotive electronics: Ensures proper functioning of critical systems by monitoring voltage levels and initiating necessary actions.

Detailed and Complete Alternative Models

1. MAX809: Similar voltage monitoring and reset IC with adjustable threshold voltage options.
2. ADM708: Offers additional features like watchdog timer and manual reset input.
3. TPS3808: Provides programmable delay time and adjustable hysteresis for precise voltage monitoring.

These alternative models offer similar functionalities to MIC812SUY-TR and can be considered based on specific application requirements.

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