TPS3839K50DQNR

Product Overview

Category

The TPS3839K50DQNR belongs to the category of voltage supervisors.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic systems.

Characteristics

• Voltage threshold: 5.0V
• Accuracy: ±1%
• Quiescent current: 2.5µA (typical)
• Operating temperature range: -40°C to +125°C
• Power supply voltage range: 1.8V to 10V
• Low power consumption
• Small package size

Package

The TPS3839K50DQNR is available in a small SOT-23-5 package.

Essence

The essence of the TPS3839K50DQNR is its ability to provide accurate voltage monitoring and supervision, ensuring the proper functioning of electronic systems.

Packaging/Quantity

This product is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply voltage range: 1.8V to 10V
• Threshold voltage: 5.0V
• Accuracy: ±1%
• Quiescent current: 2.5µA (typical)
• Power-on reset delay time: 200ms (typical)
• Operating temperature range: -40°C to +125°C
• Output type: Active low, push-pull

Detailed Pin Configuration

The TPS3839K50DQNR has the following pin configuration:

1. GND (Ground)
2. VDD (Power supply)
3. MR (Manual reset)
4. RESET (Output)
5. NC (No connection)

Functional Features

• Accurate voltage monitoring: The TPS3839K50DQNR ensures that the voltage level stays within the desired range, preventing damage to electronic components.
• Power-on reset: The device provides a power-on reset signal to the system, ensuring proper initialization during startup.
• Manual reset: The MR pin allows for manual reset of the system when required.

Advantages and Disadvantages

Advantages

• High accuracy voltage monitoring
• Low quiescent current consumption
• Small package size for space-constrained applications
• Wide operating temperature range

Disadvantages

• Limited voltage threshold options (only 5.0V available)

Working Principles

The TPS3839K50DQNR operates by comparing the input voltage with a fixed threshold voltage. When the input voltage falls below the threshold, the RESET pin is pulled low, indicating a voltage fault condition. The device continuously monitors the voltage level and provides a power-on reset signal during startup.

Detailed Application Field Plans

The TPS3839K50DQNR finds applications in various fields, including:

1. Automotive electronics: Used for voltage monitoring in automotive control systems.
2. Industrial automation: Ensures proper voltage levels in industrial equipment.
3. Consumer electronics: Monitors voltage in battery-powered devices.
4. Telecommunications: Provides voltage supervision in communication systems.
5. Medical devices: Ensures reliable voltage levels in medical equipment.

Detailed and Complete Alternative Models

1. TPS3839L30DQNR: Voltage supervisor with a threshold of 3.0V.
2. TPS3839H12DQNR: Voltage supervisor with a threshold of 12.0V.
3. TPS3839M33DQNR: Voltage supervisor with a threshold of 3.3V.
4. TPS3839N25DQNR: Voltage supervisor with a threshold of 2.5V.

These alternative models offer different voltage thresholds to suit specific application requirements.

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