TCM811MERCTR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Supervisor

Characteristics: - Monitors the power supply voltage of a system - Generates a reset signal when the voltage falls below a specified threshold - Ensures proper functioning and prevents data corruption in electronic devices

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The TCM811MERCTR is a voltage supervisor IC designed to monitor the power supply voltage and provide a reset signal to the system when the voltage drops below a predetermined level.

Packaging/Quantity: The TCM811MERCTR is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, or 4.63V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TCM811MERCTR has the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | GND | Ground | | 2 | MR | Manual Reset Input | | 3 | VCC | Power Supply Voltage | | 4 | RESET | Reset Output | | 5 | GND | Ground | | 6 | GND | Ground | | 7 | GND | Ground | | 8 | GND | Ground |

Functional Features

1. Voltage Monitoring: The TCM811MERCTR continuously monitors the power supply voltage.
2. Reset Generation: When the voltage falls below the specified threshold, the IC generates a reset signal.
3. Manual Reset: The MR pin allows for manual reset of the system.
4. Reset Timeout: The reset signal remains active for a fixed timeout period to ensure proper system stabilization.

Advantages and Disadvantages

Advantages: - Compact size and low power consumption - Wide operating voltage range - Multiple reset threshold options for flexibility - Manual reset capability for system debugging

Disadvantages: - Limited number of available package options - Fixed reset timeout period may not be suitable for all applications

Working Principles

The TCM811MERCTR operates by comparing the power supply voltage with a reference voltage internally generated. When the voltage drops below the preset threshold, the IC triggers the reset output, which can be used to initialize the system or perform other necessary actions. The manual reset input allows for additional control over the reset function.

Application Field Plans

The TCM811MERCTR is widely used in various electronic devices where reliable voltage monitoring and reset functionality are critical. Some potential application fields include:

1. Microcontrollers: Ensures proper initialization and prevents data corruption during power-up or voltage fluctuations.
2. Embedded Systems: Provides a reliable reset mechanism for stable system operation.
3. Industrial Control Systems: Monitors power supply voltage to prevent malfunctions and ensure safe operation.
4. Automotive Electronics: Protects sensitive components from voltage variations and ensures proper functioning.

Alternative Models

1. TCM810MERCTR: Similar voltage supervisor IC with a different reset timeout period.
2. TCM803MERCTR: Voltage supervisor IC with a lower operating voltage range.
3. TCM809MERCTR: Voltage supervisor IC with adjustable reset threshold voltage.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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