TC1271ASVCTTR

Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision Monitoring, Reset Output
• Package: SOT-23-5
• Essence: Monitors voltage levels and provides a reset signal when necessary
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

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

Pin Configuration

The TC1271ASVCTTR has a total of 5 pins:

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

Functional Features

• Monitors the voltage level of the battery or power supply
• Provides a reset signal when the voltage falls below a certain threshold
• Offers a manual reset option through the MR pin
• Low-power consumption for efficient operation
• Precision monitoring ensures accurate voltage detection

Advantages

• Small form factor package allows for space-saving designs
• Wide supply voltage range enables compatibility with various systems
• Multiple threshold voltage options provide flexibility in voltage monitoring
• Reset timeout period prevents false resets due to temporary voltage fluctuations
• Manual reset input offers additional control over the reset function

Disadvantages

• Limited to voltage monitoring and reset functionality only
• Not suitable for applications requiring complex supervisory functions

Working Principles

The TC1271ASVCTTR operates by continuously monitoring the voltage level at the VBAT pin. When the voltage falls below the selected threshold, the IC triggers a reset signal on the RESET pin. This reset signal can be used to initiate system recovery or perform other necessary actions. The MR pin allows for manual reset control, providing an additional means of resetting the system.

Application Field Plans

The TC1271ASVCTTR is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are required. Some potential application fields include:

1. Battery-powered devices: Ensures proper operation and prevents damage due to low battery voltage.
2. Microcontroller-based systems: Provides a reset signal to restart the system in case of power supply issues.
3. Industrial automation: Monitors power supply stability to prevent data loss or equipment malfunction.
4. Automotive electronics: Protects sensitive components from voltage fluctuations and ensures safe operation.

Alternative Models

• TC1271: Similar voltage supervisor IC with different package options (SOT-23-6, SOT-89-5)
• TC1272: Voltage supervisor with adjustable threshold voltage options
• TC1273: Voltage supervisor with additional watchdog timer functionality

These alternative models offer similar voltage monitoring and reset features, but may have different package options or additional functionalities based on specific requirements.

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