TC647EUA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Adjustable Threshold
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Monitors and controls voltage levels in electronic systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Threshold Voltage Options: Adjustable or Fixed
• Output Type: Active-Low or Active-High
• Reset Timeout Period: Adjustable or Fixed

Detailed Pin Configuration

The TC647EUA has the following pin configuration:

1. GND (Ground)
2. VCC (Supply Voltage)
3. MR (Manual Reset)
4. RESET (Reset Output)
5. TH (Threshold Input)
6. TR (Trigger Input)
7. CT (Reset Timeout Control)
8. OUT (Output)

Functional Features

• Monitors supply voltage and generates a reset signal when it falls below a certain threshold.
• Provides manual reset capability through the MR pin.
• Offers adjustable threshold voltage option for flexibility in different applications.
• Allows selection of active-low or active-high reset output.
• Supports adjustable or fixed reset timeout period.

Advantages and Disadvantages

Advantages: - Low-power consumption makes it suitable for battery-powered devices. - Precision monitoring ensures reliable system operation. - Adjustable threshold allows customization for specific voltage requirements. - Small package size saves board space.

Disadvantages: - Limited supply voltage range may not be suitable for all applications. - Lack of built-in hysteresis may result in oscillations near the threshold voltage.

Working Principles

The TC647EUA operates by comparing the supply voltage with a reference threshold voltage. When the supply voltage drops below the threshold, the reset output is activated. The reset signal remains active until the supply voltage rises above the threshold or a timeout period elapses.

Detailed Application Field Plans

The TC647EUA is commonly used in various electronic systems that require reliable voltage monitoring and control. Some application fields include:

1. Microcontrollers: Ensures proper system initialization and prevents data corruption during power-up or brownout conditions.
2. Power Supplies: Protects sensitive components from undervoltage events and facilitates safe shutdown procedures.
3. Industrial Control Systems: Monitors critical voltages to prevent equipment damage and ensure smooth operation.
4. Automotive Electronics: Provides voltage supervision for automotive modules, preventing malfunctions and enhancing safety.

Detailed and Complete Alternative Models

1. MAX823: Similar voltage supervisor IC with adjustable threshold and manual reset capability.
2. LTC2910: Precision voltage monitor with programmable threshold levels and adjustable reset timeout.
3. ADM6315: Low-power microprocessor supervisory circuit with fixed threshold voltage and watchdog timer functionality.

Note: This entry provides an overview of the TC647EUA and its key features. For more detailed information, please refer to the product datasheet and specifications provided by the manufacturer.

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