TLC7701QDRG4

Product Overview

Category: Integrated Circuits (ICs)

Use: The TLC7701QDRG4 is a voltage supervisor and reset IC designed for monitoring the power supply voltage of electronic systems. It ensures proper system initialization by generating a reset signal when the supply voltage falls below a predetermined threshold.

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

Package: SOIC-8

Essence: The TLC7701QDRG4 is an essential component in electronic systems that require reliable power supply monitoring and reset functionality.

Packaging/Quantity: The TLC7701QDRG4 is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 18V
• Reset Threshold Voltage Range: 1.2V to 5V
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Output Type: Open-drain
• Power-On Reset Delay Time: 200ms (typical)

Pin Configuration

The TLC7701QDRG4 features an 8-pin Small Outline Integrated Circuit (SOIC) package. The pin configuration is as follows:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| RST OUT |-- Pin 2: Output (OUT) --| TH MR |-- Pin 3: Manual Reset (MR) --| 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

1. Voltage Monitoring: The TLC7701QDRG4 continuously monitors the supply voltage and compares it to the user-adjustable threshold voltage.
2. Reset Generation: When the supply voltage falls below the threshold, the IC generates a reset signal on the output pin, ensuring proper system initialization.
3. Manual Reset: The manual reset pin allows for an external reset signal to override the internal monitoring circuitry.
4. Precision Voltage Reference: The integrated precision voltage reference ensures accurate voltage monitoring.
5. Open-Drain Output: The open-drain output allows for easy interfacing with other digital circuits.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered applications. - Wide operating voltage range enables compatibility with various systems. - Adjustable reset threshold provides flexibility in different voltage monitoring scenarios. - Small package size saves board space.

Disadvantages: - Lack of built-in hysteresis may result in multiple reset signals during voltage fluctuations. - Limited number of pins restricts additional functionality integration.

Working Principles

The TLC7701QDRG4 operates by comparing the supply voltage with the user-defined threshold voltage. When the supply voltage drops below the threshold, the IC triggers a reset signal. The reset signal remains active until the supply voltage rises above the threshold or a manual reset signal is applied.

Detailed Application Field Plans

The TLC7701QDRG4 finds applications in various electronic systems that require reliable power supply monitoring and reset functionality. Some potential application fields include: - Microcontrollers and microprocessors - Industrial control systems - Automotive electronics - Home automation systems - Power management circuits

Detailed and Complete Alternative Models

1. MAX809: Voltage supervisor with adjustable reset threshold and push-pull output.
2. ADM6315: Microprocessor supervisory circuit with watchdog timer and manual reset input.
3. MCP101: Precision voltage monitor with adjustable reset threshold and open-drain output.

These alternative models offer similar functionality to the TLC7701QDRG4 and can be considered as alternatives based on specific application requirements.

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