TL7705ACDR

Product Overview

Category

TL7705ACDR belongs to the category of voltage supervisors.

Use

It is used to monitor the power supply voltage level and provide a reset signal to the microcontroller or other digital systems when the voltage drops below a predetermined threshold.

Characteristics

• TL7705ACDR operates at low power consumption, making it suitable for battery-powered applications.
• It has a wide operating voltage range and can be used in various electronic systems.
• The device is designed to be highly reliable and accurate in monitoring voltage levels.

Package

TL7705ACDR comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of TL7705ACDR lies in its ability to ensure the stable operation of digital systems by monitoring the power supply voltage and providing a reset signal when necessary.

Packaging/Quantity

TL7705ACDR is typically available in reels containing a quantity of 2500 units per reel.

Specifications

• Operating Voltage Range: 2.7V to 18V
• Reset Threshold Voltage Options: 4.55V, 4.75V, 4.85V, 4.90V
• Low Quiescent Current: 25µA
• Open-Drain RESET Output
• Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VCC
2. GND
3. MR
4. RESET

Functional Features

• Voltage Monitoring: TL7705ACDR continuously monitors the input voltage and asserts the reset signal when the voltage falls below the specified threshold.
• Reset Signal: The device provides a reset signal to the connected digital system, ensuring a controlled restart when the voltage is outside the acceptable range.
• Adjustable Threshold: The reset threshold voltage can be selected from multiple options to suit different system requirements.

Advantages

• Low Power Consumption: Ideal for battery-powered applications, extending the battery life.
• Wide Operating Voltage Range: Suitable for diverse electronic systems with varying voltage requirements.
• Accurate and Reliable: Ensures precise monitoring and consistent performance.

Disadvantages

• Limited Reset Threshold Options: The available reset threshold voltage options may not cover all specific voltage requirements.

Working Principles

TL7705ACDR utilizes a voltage comparator to continuously compare the input voltage with the preset threshold voltage. When the input voltage falls below the threshold, the device triggers the reset signal, ensuring the connected digital system operates within safe voltage limits.

Detailed Application Field Plans

TL7705ACDR finds application in various fields such as: - Battery-Powered Devices: Portable electronics, handheld instruments, and remote sensors. - Automotive Electronics: Engine control units, infotainment systems, and vehicle diagnostics. - Industrial Control Systems: PLCs, motor drives, and power management modules.

Detailed and Complete Alternative Models

Some alternative models to TL7705ACDR include: - MAX823: Offers similar voltage monitoring and reset functions with adjustable threshold options. - ADM811: Provides voltage monitoring and reset capabilities with additional watchdog timer functionality.

In conclusion, TL7705ACDR is a versatile voltage supervisor offering precise monitoring, low power consumption, and a wide operating voltage range, making it suitable for a variety of electronic applications.

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