TL7702AID1013TRA

Product Overview

• Category: Integrated Circuit
• Use: Voltage Supervisor
• Characteristics: Precision, Low Power Consumption
• Package: SOIC-8
• Essence: Monolithic Supply Voltage Supervisors
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 18V
• Threshold Voltage Options: 2.32V, 2.55V, 2.93V, 3.08V, 4.38V, 4.63V, 4.88V, 5.50V
• Reset Timeout Period: 100ms (min)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 20µA (typical)

Pin Configuration

The TL7702AID1013TRA has a standard SOIC-8 pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output (RESET OUT) --| THRESHOLD |-- Pin 3: Threshold Voltage Selection (THRESHOLD) --| RESET IN |-- Pin 4: Reset Input (RESET IN) --| | --| | --| | --| | |___________| ```

Functional Features

• Monitors the supply voltage and provides a reset signal when it falls below a specified threshold.
• Selectable threshold voltage options allow customization for different applications.
• Open-drain reset output can be easily interfaced with other digital circuits.
• Low quiescent current makes it suitable for battery-powered devices.
• Built-in hysteresis prevents output oscillation near the threshold voltage.

Advantages and Disadvantages

Advantages: - High precision voltage monitoring. - Low power consumption. - Wide supply voltage range. - Flexible threshold voltage options. - Small package size for space-constrained designs.

Disadvantages: - Lack of built-in overvoltage protection. - Limited reset timeout period.

Working Principles

The TL7702AID1013TRA is designed to monitor the supply voltage of a system. It compares the input voltage with a selected threshold voltage and generates a reset signal when the voltage falls below the threshold. The reset signal remains active until the supply voltage rises above the threshold and a specified timeout period elapses.

Detailed Application Field Plans

The TL7702AID1013TRA finds applications in various fields, including:

1. Embedded Systems: Provides reliable reset signals to microcontrollers and other digital ICs, ensuring proper initialization and preventing erratic behavior during power-up.
2. Power Supply Monitoring: Guards against undervoltage conditions in power supplies, protecting sensitive components from potential damage.
3. Battery-Powered Devices: Enables efficient power management by initiating a reset or shutdown when the battery voltage drops below a certain level.
4. Automotive Electronics: Ensures stable operation of automotive systems by monitoring the vehicle's electrical supply and triggering appropriate actions in case of voltage fluctuations.

Detailed and Complete Alternative Models

1. TL7700: Similar voltage supervisor IC with a different pin configuration (DIP-8).
2. TL7705: Voltage supervisor IC with adjustable threshold voltage and push-pull output (SOIC-8).
3. TL7712: Dual voltage supervisor IC with independent threshold voltage selection (SOIC-8).

These alternative models offer similar functionality and can be considered based on specific design requirements.

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