TC1271ATVCTTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-precision voltage monitoring
• Package: SOT-23-5
• Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
• Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1271ATVCTTR has a total of 5 pins:

1. VDD: Power supply input
2. GND: Ground reference
3. RESET: Active-low reset output
4. MR: Manual reset input
5. VBAT: Battery voltage monitor input

Functional Features

• Monitors the battery voltage and generates a reset signal when it drops below the specified threshold.
• Provides a manual reset option through the MR pin.
• Low quiescent current consumption, making it suitable for battery-powered applications.
• Wide operating voltage range allows compatibility with various systems.

Advantages

• High precision voltage monitoring ensures reliable operation.
• Low-power consumption extends battery life in portable devices.
• Small package size enables space-saving designs.
• Wide operating temperature range makes it suitable for harsh environments.

Disadvantages

• Limited threshold voltage options may not cover all application requirements.
• Lack of adjustable timeout period limits flexibility in certain scenarios.

Working Principles

The TC1271ATVCTTR operates by continuously monitoring the voltage level at the VBAT pin. When the voltage falls below the programmed threshold, the RESET pin is asserted low, indicating a reset condition. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered through the MR pin.

Detailed Application Field Plans

The TC1271ATVCTTR is commonly used in various applications where reliable voltage monitoring is critical. Some of the typical application fields include:

1. Battery-powered devices: Portable electronics, medical devices, IoT sensors.
2. Automotive systems: Engine control units, power management modules, safety systems.
3. Industrial equipment: PLCs, motor control systems, power supplies.
4. Communication systems: Network switches, routers, base stations.

Detailed and Complete Alternative Models

1. MAX809: Voltage supervisor IC with adjustable threshold and timeout options.
2. ADM1232: Precision voltage monitor with watchdog timer functionality.
3. TPS3839: Ultra-low-power voltage supervisor with programmable delay.

These alternative models offer similar functionality to the TC1271ATVCTTR and can be considered based on specific application requirements.

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