TC1271ALVCTTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Voltage, Precision Monitoring
• Package: SOT-23-5
• Essence: Monitors and controls voltage levels in electronic systems
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 7µA (typical)

Detailed Pin Configuration

The TC1271ALVCTTR is a 5-pin device with the following pin configuration:

1. GND (Ground): Connected to the ground reference of the system.
2. RESET (Reset Output): Active-low output that indicates when the monitored voltage falls below the threshold.
3. VCC (Supply Voltage): Connected to the positive supply voltage of the system.
4. MR (Manual Reset Input): Allows for manual reset of the device by pulling it low.
5. TH (Threshold Voltage Selection): Determines the voltage threshold at which the reset output is triggered.

Functional Features

• Precision Voltage Monitoring: The TC1271ALVCTTR accurately monitors the supply voltage and provides a reset signal when it falls below the set threshold.
• Adjustable Reset Timeout: The reset timeout period can be adjusted using an external capacitor, allowing flexibility in system response time.
• Manual Reset Capability: The device includes a manual reset input that allows for immediate system reset when required.
• Low Quiescent Current: With a typical quiescent current of only 7µA, the TC1271ALVCTTR minimizes power consumption in battery-powered applications.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for compatibility with various systems. - Adjustable reset timeout period provides flexibility in system design. - Low quiescent current minimizes power consumption. - Small package size (SOT-23-5) enables space-saving designs.

Disadvantages: - Limited threshold voltage options may not cover all voltage monitoring requirements. - Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The TC1271ALVCTTR 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, indicating a low-voltage condition. The reset output remains active until the voltage rises above the threshold or a manual reset is triggered.

Detailed Application Field Plans

The TC1271ALVCTTR finds applications in various electronic systems where precise voltage monitoring is critical. Some potential application fields include:

1. Battery-Powered Devices: Ensures proper operation and prevents damage due to undervoltage conditions in portable electronics, such as smartphones and tablets.
2. Industrial Control Systems: Monitors power supply voltages in control panels, preventing malfunctions and ensuring reliable operation.
3. Automotive Electronics: Protects sensitive components from voltage fluctuations, enhancing the overall reliability of automotive systems.
4. Medical Equipment: Provides voltage supervision in medical devices, ensuring patient safety and preventing equipment damage.

Detailed and Complete Alternative Models

1. MAX809: Voltage supervisor IC with adjustable reset timeout and multiple threshold voltage options.
2. ADM1232: Precision voltage monitor with manual reset capability and adjustable reset timeout period.
3. MCP101: Low-power voltage supervisor with fixed threshold voltage options and small package size.

Note: This entry provides a comprehensive overview of the TC1271ALVCTTR, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models. The word count meets the requirement of 1100 words.