TC647BEOATR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Reset Output
• Package: SOT-23-5
• Essence: Monitors voltage levels and provides reset signals
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Reset Threshold Options: 2.63V, 3.08V, 4.38V, 4.63V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The TC647BEOATR has a total of 5 pins:

1. VDD: Supply Voltage Input
2. GND: Ground
3. MR: Manual Reset Input
4. RESET: Reset Output
5. VTRIP: Voltage Threshold Selection Input

Functional Features

• Monitors the supply voltage and asserts the reset output when it falls below the selected threshold.
• Provides a manual reset input for immediate system reset.
• Low quiescent current makes it suitable for battery-powered applications.
• Precision monitoring ensures accurate detection of voltage levels.

Advantages

• Wide supply voltage range allows flexibility in various applications.
• Multiple reset threshold options cater to different voltage monitoring requirements.
• Reset timeout period prevents false resets due to temporary voltage fluctuations.
• Small package size (SOT-23-5) enables space-efficient designs.

Disadvantages

• Limited number of available reset threshold options.
• Not suitable for high-voltage applications above 6.0V.
• Manual reset input may require additional external components for proper functionality.

Working Principles

The TC647BEOATR operates by continuously monitoring the supply voltage connected to the VDD pin. It compares the voltage level with the selected threshold set by the VTRIP pin. When the supply voltage falls below the threshold, the reset output (RESET) is asserted, indicating a power failure or low voltage condition. The reset output remains active until the supply voltage rises above the threshold or a manual reset signal is applied to the MR pin.

Detailed Application Field Plans

The TC647BEOATR is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some of the typical application fields include:

1. Microcontroller Systems: Ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Battery-Powered Devices: Protects battery life by initiating a controlled shutdown when the voltage drops below a critical level.
3. Industrial Control Systems: Provides fault detection and system recovery capabilities in industrial automation and control applications.
4. Automotive Electronics: Monitors vehicle battery voltage and triggers appropriate actions in case of low voltage conditions.
5. Power Supply Units: Safeguards sensitive electronic components by detecting and responding to abnormal voltage levels.

Detailed and Complete Alternative Models

1. TC54VC2702ECB713: Voltage Supervisor with Adjustable Reset Threshold and Timeout Period.
2. MAX823LEUK+T: Low-Power Voltage Monitor with Programmable Reset Threshold.
3. ADM6316CY29ARJZ-R7: Precision Voltage Monitor with Manual Reset Input and Adjustable Threshold.

These alternative models offer similar voltage monitoring and reset functionalities, catering to different design requirements and specifications.

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