TC647EUATR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy, 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: 1.6V to 6.0V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, 4.63V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC647EUATR has a total of 5 pins:

1. GND: Ground connection
2. RESET: Active-low reset output
3. VCC: Positive supply voltage input
4. MR: Manual reset input
5. TH: Threshold voltage selection pin

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
• Provides an active-low reset output that remains low until the supply voltage rises above the threshold voltage for a specified timeout period.
• Offers multiple threshold voltage and timeout period options for flexibility in different applications.
• Low-power consumption ensures minimal impact on overall system power efficiency.

Advantages and Disadvantages

Advantages: - High accuracy in monitoring voltage levels - Wide supply voltage range allows compatibility with various systems - Small package size enables space-saving designs - Multiple threshold voltage and timeout period options provide versatility

Disadvantages: - Limited number of threshold voltage and timeout period combinations available - Lack of additional features such as hysteresis adjustment or power-on reset delay

Working Principles

The TC647EUATR operates by continuously monitoring the supply voltage connected to the VCC pin. When the voltage falls below the selected threshold voltage, the IC generates an active-low reset signal on the RESET pin. This reset signal remains low until the supply voltage rises above the threshold voltage for the specified timeout period.

Detailed Application Field Plans

The TC647EUATR is commonly used in various electronic systems where it is crucial to monitor the supply voltage and ensure proper system operation. Some typical application fields include:

1. Microcontroller Systems: Provides a reliable reset signal to microcontrollers when the supply voltage drops below a certain level, preventing erratic behavior.
2. Battery-Powered Devices: Monitors battery voltage to prevent damage caused by excessive discharge and ensures safe operation.
3. Industrial Control Systems: Ensures stable operation of control circuits by resetting them when the supply voltage deviates from the desired range.
4. Automotive Electronics: Protects sensitive electronic components from voltage fluctuations and provides a reset signal when necessary.

Detailed and Complete Alternative Models

1. MAX823: Voltage supervisor IC with similar features and package options.
2. ADM708: Low-power voltage monitor with adjustable threshold voltage and timeout period.
3. MCP101: Reset generator IC with additional hysteresis adjustment capability.

(Note: The alternative models listed above are just examples and not an exhaustive list.)

This entry provides an overview of the TC647EUATR voltage supervisor IC, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models. With its accurate voltage monitoring and reset functionality, the TC647EUATR is a versatile component widely used in various electronic systems.