TC1270ATCVCTTR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics:
  • Monitors the voltage level of a power supply
  • Provides a reset signal when the voltage falls below a certain threshold
  • Prevents erratic behavior or data corruption in electronic systems
• Package: SOT-23-5
• Essence: Ensures reliable operation by monitoring power supply voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

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

Detailed Pin Configuration

1. GND: Ground connection
2. RESET: Active-low reset output
3. VCC: Power supply input
4. MR: Manual reset input (optional)
5. NC: No connection

Functional Features

• Monitors the power supply voltage continuously
• Generates a reset signal when the voltage drops below the set threshold
• Reset signal remains active until the voltage rises above the threshold for a specified timeout period
• Manual reset option allows external control of the reset signal

Advantages

• Small package size enables space-saving designs
• Wide supply voltage range accommodates various applications
• Multiple reset threshold options provide flexibility for different voltage levels
• Low power consumption enhances energy efficiency
• Reliable reset signal prevents system malfunctions

Disadvantages

• Limited number of reset threshold options may not cover all voltage requirements
• Lack of adjustable reset timeout period restricts customization
• Manual reset feature adds complexity to the circuit design

Working Principles

• TC1270ATCVCTTR operates by comparing the power supply voltage with a preset threshold voltage.
• When the voltage falls below the threshold, the internal circuitry triggers the reset output to go low.
• The reset signal remains active until the voltage rises above the threshold for the specified timeout period.
• The manual reset input allows an external signal to override the internal monitoring and control the reset output.

Detailed Application Field Plans

TC1270ATCVCTTR finds applications in various electronic systems where reliable voltage monitoring is crucial. Some examples include: 1. Microcontrollers: Ensures proper initialization and prevents data corruption during power-up or voltage fluctuations. 2. Communication Devices: Protects sensitive circuitry from voltage drops, ensuring uninterrupted operation. 3. Industrial Control Systems: Safeguards critical equipment by providing timely reset signals in case of power supply issues. 4. Automotive Electronics: Monitors battery voltage to prevent damage and ensure reliable operation of vehicle systems.

Detailed and Complete Alternative Models

1. MAX809: Voltage supervisor IC with adjustable reset threshold and timeout options.
2. ADM6315: Low-power microprocessor supervisory circuit with fixed reset threshold and timeout period.
3. TPS3808: Precision voltage supervisor with adjustable reset threshold and manual reset option.

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