MIC811MU TR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Supervisor
• Characteristics: Low Power Consumption, Reset Output Active Low, Manual Reset Input, Power-On Reset Delay Time
• Package: SOT-23-3
• Essence: Voltage Monitoring and Reset Generation
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
• Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MIC811MU TR has a SOT-23-3 package with the following pin configuration:

1. VDD: Supply Voltage Input
2. GND: Ground
3. RESET: Reset Output

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the specified threshold.
• Provides a manual reset input for external reset control.
• Offers a power-on reset delay time to ensure stable operation during power-up.

Advantages and Disadvantages

Advantages: - Low power consumption, suitable for battery-powered applications. - Small form factor package allows for space-efficient designs. - Wide supply voltage range enables compatibility with various systems.

Disadvantages: - Limited reset threshold and timeout period options may not meet all application requirements. - Lack of additional features such as adjustable hysteresis or watchdog timer functionality.

Working Principles

The MIC811MU TR operates by continuously monitoring the supply voltage. When the voltage drops below the preset threshold, the reset output becomes active low, indicating a system reset. The reset signal remains active until the supply voltage rises above the threshold and the reset timeout period elapses. The manual reset input allows for external control of the reset function.

Detailed Application Field Plans

The MIC811MU TR is commonly used in various applications where voltage monitoring and reset generation are critical. Some typical application fields include:

1. Microcontroller Systems: Ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Industrial Control Systems: Provides reliable reset functionality to maintain system integrity and prevent data corruption.
3. Automotive Electronics: Monitors the vehicle's electrical system and initiates a reset if the voltage falls below a safe operating level.
4. Portable Devices: Protects sensitive components from damage due to low voltage conditions and ensures proper device operation.

Detailed and Complete Alternative Models

• MAX811: Similar voltage supervisor IC with adjustable reset threshold and timeout options.
• ADM6315: Voltage monitor with watchdog timer functionality for enhanced system reliability.
• TPS3808: Supervisor IC with adjustable hysteresis and manual reset input for precise reset control.

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