TCM811TERCTR

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 of the system during power-up and power-down sequences

Package: SOT-23-5

Essence: The TCM811TERCTR is a voltage supervisor IC designed to monitor the power supply voltage of a system and provide a reset signal when the voltage drops below a predetermined threshold.

Packaging/Quantity: The TCM811TERCTR is available in a SOT-23-5 package, which contains one IC per package.

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V, 4.63V, 4.88V
• Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TCM811TERCTR has the following pin configuration:

1. GND (Ground): Connected to the ground reference of the system.
2. RESET (Reset Output): Provides a reset signal to the system when the monitored voltage falls below the threshold.
3. MR (Manual Reset Input): Allows for manual resetting of the system by pulling this pin low.
4. VDD (Supply Voltage): Connected to the positive supply voltage of the system.
5. VBAT (Battery Voltage): Monitors the battery voltage to ensure proper system operation.

Functional Features

• Accurate monitoring of power supply voltage
• Adjustable reset threshold voltage and timeout period
• Manual reset capability for system debugging and testing
• Low power consumption
• Small form factor package for space-constrained applications

Advantages and Disadvantages

Advantages: - Reliable voltage monitoring for system stability - Flexible configuration options for different system requirements - Easy integration into various electronic designs - Low power consumption prolongs battery life in portable devices

Disadvantages: - Limited number of available reset threshold voltage and timeout period options - Requires external components for proper operation

Working Principles

The TCM811TERCTR operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the set threshold, the reset output is activated, signaling a low-voltage condition to the system. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered.

Detailed Application Field Plans

The TCM811TERCTR is commonly used in various electronic systems where reliable voltage monitoring is crucial for proper operation. Some application fields include:

1. Microcontrollers and Microprocessors: Ensures stable operation during power-up and power-down sequences, preventing data corruption.
2. Communication Systems: Monitors the power supply voltage to prevent system malfunctions and ensure uninterrupted communication.
3. Industrial Control Systems: Provides reliable voltage supervision to safeguard critical processes and equipment.
4. Automotive Electronics: Ensures proper functioning of vehicle systems, such as engine control units and safety systems.

Detailed and Complete Alternative Models

1. TCM810TERCTR: Similar voltage supervisor IC with fixed reset threshold voltage and timeout period options.
2. TCM803TERCTR: Voltage supervisor IC with adjustable reset threshold voltage and fixed timeout period.
3. TCM809TERCTR: Voltage supervisor IC with fixed reset threshold voltage and adjustable timeout period.

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

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