TLC7733IDG4

Product Overview

Category: Integrated Circuits (ICs)

Use: The TLC7733IDG4 is a voltage supervisor and reset IC that monitors the power supply voltage of a system. It provides a reset signal to the microcontroller or other digital logic when the voltage falls below a predetermined threshold. This ensures proper operation and prevents data corruption during power-up and power-down sequences.

Characteristics: - Low-power consumption - Wide operating voltage range - Adjustable reset threshold - Precision voltage reference - Power-on reset delay time - Open-drain output - Small package size

Package: The TLC7733IDG4 is available in a small 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of the TLC7733IDG4 is its ability to monitor the power supply voltage and provide a reliable reset signal to the system, ensuring proper operation and preventing data corruption.

Packaging/Quantity: The TLC7733IDG4 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage Range: 1.2V to VDD
• Power-On Reset Delay Time: 200ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Open-drain

Pin Configuration

The TLC7733IDG4 has the following pin configuration:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Reset Output (Active Low) --| TH OUT |-- Pin 3: Threshold Input --| VDD GND |-- Pin 4: Ground (GND) --| VDD GND |-- Pin 5: Ground (GND) --| VDD GND |-- Pin 6: Ground (GND) --| VDD GND |-- Pin 7: Ground (GND) --| VDD GND |-- Pin 8: Ground (GND) |___________| ```

Functional Features

• Monitors power supply voltage and provides a reset signal when voltage falls below the threshold.
• Adjustable reset threshold allows customization for different system requirements.
• Power-on reset delay ensures stable operation during power-up sequences.
• Open-drain output allows easy interfacing with microcontrollers and digital logic.

Advantages and Disadvantages

Advantages: - Low-power consumption extends battery life in portable devices. - Wide operating voltage range makes it suitable for various applications. - Adjustable reset threshold provides flexibility for different voltage levels. - Small package size saves board space in compact designs.

Disadvantages: - Lack of built-in hysteresis may lead to potential noise-related issues. - Limited number of pins restricts additional functionality integration.

Working Principles

The TLC7733IDG4 operates by comparing the power supply voltage at the TH (Threshold) pin with an internal reference voltage. When the voltage falls below the threshold, the MR (Master Reset) pin is activated, pulling it low and generating a reset signal. The reset signal remains active until the voltage rises above the threshold again.

Detailed Application Field Plans

The TLC7733IDG4 is commonly used in various electronic systems where reliable power supply monitoring and reset functionality are required. Some typical application fields include:

1. Microcontroller-based Systems: The TLC7733IDG4 ensures proper initialization and prevents data corruption in microcontroller-based systems during power-up and power-down sequences.

2. Industrial Control Systems: It provides reliable reset functionality in industrial control systems, ensuring stable operation and preventing system malfunctions.

3. Automotive Electronics: The TLC7733IDG4 is used in automotive electronics to monitor the power supply voltage and generate a reset signal when necessary, enhancing the overall reliability of the system.

4. Consumer Electronics: It finds applications in consumer electronic devices such as smart home appliances, wearable devices, and audio/video equipment, providing reliable power supply monitoring and reset capabilities.

Detailed and Complete Alternative Models

1. TL7705AIP - Voltage Supervisor with Fixed Threshold
2. MAX809 - Microprocessor Reset Circuits
3. ADM708 - Precision Voltage Monitor with Watchdog Timer
4. MCP100 - Voltage Supervisor with Manual Reset Input

These alternative models offer similar functionality to the TLC7733IDG4 and can be considered as alternatives based on specific application requirements.

In conclusion, the TLC7733IDG4 is an integrated circuit that serves as a voltage supervisor and reset IC. Its ability to monitor the power supply voltage and provide a reliable reset signal makes it essential for various electronic systems. With its low-power consumption, wide operating voltage range, and adjustable