TLC7703QDG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Generation
• Package: SOIC-8
• Essence: Monolithic CMOS Circuit
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Threshold Voltage Options: 2.32V, 2.93V, 3.08V, 3.63V
• Output Type: Active-Low, Open-Drain
• Power-On Reset Delay Time: 200ms (typical)

Detailed Pin Configuration

The TLC7703QDG4 has a total of 8 pins arranged as follows:

```

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| | --| VDD GND |-- Pin 1: Supply Voltage (VDD) --| RESET OUT |-- Pin 2: Reset Output --| THRESHOLD |-- Pin 3: Threshold Voltage Selection --| GND |-- Pin 4: Ground (GND) --| MR |-- Pin 5: Manual Reset Input --| TRIP |-- Pin 6: Trip Point Output --| SENSE |-- Pin 7: Voltage Sense Input --| VDD |-- Pin 8: Supply Voltage (VDD) |___________| ```

Functional Features

• Monitors supply voltage and generates a reset signal when it falls below the threshold voltage.
• Provides manual reset capability through the MR pin.
• Offers a trip point output for monitoring the voltage level.
• Low quiescent current makes it suitable for battery-powered applications.
• Open-drain output allows easy interfacing with other devices.

Advantages and Disadvantages

Advantages: - Low-power consumption - Precision voltage monitoring - Small package size - Wide operating temperature range - Easy integration with other circuits

Disadvantages: - Limited threshold voltage options - Single-channel voltage monitoring

Working Principles

The TLC7703QDG4 is designed to monitor the supply voltage of a system. It compares the input voltage with the selected threshold voltage and generates a reset signal when the input voltage falls below the threshold. The reset signal remains active until the input voltage rises above the threshold again or a manual reset is triggered through the MR pin.

Detailed Application Field Plans

The TLC7703QDG4 is commonly used in various applications where reliable voltage monitoring is crucial. Some of the typical application fields include:

1. Battery-Powered Devices: Portable electronics, IoT sensors, and wearable devices often rely on the TLC7703QDG4 to ensure proper operation and prevent damage due to low battery voltage.

2. Industrial Control Systems: PLCs (Programmable Logic Controllers), motor control units, and power supplies utilize this IC to monitor the supply voltage and initiate appropriate actions in case of voltage deviations.

3. Automotive Electronics: In automotive applications, the TLC7703QDG4 plays a vital role in monitoring the vehicle's electrical system, ensuring stable operation, and protecting sensitive components from voltage fluctuations.

4. Home Automation: Smart home devices, such as thermostats, security systems, and lighting controls, benefit from the voltage supervision capabilities of the TLC7703QDG4 to maintain reliable performance.

Detailed and Complete Alternative Models

1. TL7705ACP - Similar functionality with additional features like adjustable threshold voltage and watchdog timer.
2. MAX823 - Voltage supervisor IC with a wide range of threshold voltage options and adjustable reset timeout period.
3. ADM6315 - Low-power microprocessor supervisory circuit with manual reset input and adjustable reset threshold.

These alternative models offer similar voltage monitoring capabilities and can be considered based on specific application requirements.

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