TPS3839G18DQNR

Product Overview

Category

The TPS3839G18DQNR belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling voltage levels in electronic systems.

Characteristics

• Provides accurate voltage monitoring
• Offers a wide operating voltage range
• Low power consumption
• High accuracy and precision
• Compact size

Package

The TPS3839G18DQNR comes in a small surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of the TPS3839G18DQNR lies in its ability to ensure stable and reliable voltage levels in electronic systems, preventing potential damage or malfunction.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Threshold Voltage Accuracy: ±0.8%
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Output Type: Active-Low, Open-Drain

Detailed Pin Configuration

The TPS3839G18DQNR has the following pin configuration:

1. GND (Ground)
2. VDD (Supply Voltage)
3. RESET (Reset Output)

Functional Features

• Accurate voltage monitoring: The TPS3839G18DQNR ensures precise monitoring of voltage levels, providing reliable system protection.
• Power-saving mode: With low quiescent current, this device minimizes power consumption, making it suitable for battery-powered applications.
• Reset output: The active-low, open-drain reset output signals when the monitored voltage falls below the threshold level.

Advantages and Disadvantages

Advantages

• High accuracy and precision in voltage monitoring
• Wide operating voltage range allows for versatile applications
• Low power consumption enhances energy efficiency
• Compact size enables integration into space-constrained designs

Disadvantages

• Limited to voltage monitoring functionality, may require additional components for more complex system control.

Working Principles

The TPS3839G18DQNR operates by comparing the input voltage with a fixed threshold. When the input voltage falls below this threshold, the reset output is activated, indicating a low-voltage condition. This feature ensures that the system remains within safe operating limits.

Detailed Application Field Plans

The TPS3839G18DQNR finds application in various fields, including:

1. Battery-powered devices: Ensures stable voltage levels in portable electronics, extending battery life.
2. Industrial automation: Monitors voltage in control systems, preventing damage due to voltage fluctuations.
3. Automotive electronics: Safeguards sensitive components from voltage variations, enhancing reliability.
4. Medical equipment: Provides accurate voltage monitoring in critical medical devices, ensuring patient safety.

Detailed and Complete Alternative Models

1. TPS3839K33DBVR: Similar voltage supervisor with a different threshold voltage (3.3V).
2. TPS3839L30DBVR: Voltage supervisor with a lower threshold voltage (3.0V).
3. TPS3839M25DBVR: Voltage supervisor with a higher threshold voltage (2.5V).

These alternative models offer similar functionality but cater to specific voltage requirements in different applications.

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