TPS3839G12DQNT

Product Overview

Category

The TPS3839G12DQNT belongs to the category of voltage supervisors.

Use

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

Characteristics

• Provides accurate voltage monitoring and reset generation.
• Offers low power consumption.
• Operates over a wide temperature range.
• Features a small package size, making it suitable for space-constrained applications.

Package

The TPS3839G12DQNT is available in a small SOT-23 package.

Essence

The essence of the TPS3839G12DQNT is its ability to ensure stable voltage levels in electronic systems, preventing malfunctions and damage caused by voltage fluctuations.

Packaging/Quantity

The product is typically packaged in reels, with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 6.5V
• Threshold Voltage Accuracy: ±1.5%
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 1.5µA (typical)
• Power-On Reset Delay Time: 200ms (typical)

Detailed Pin Configuration

The TPS3839G12DQNT has three pins:

1. VDD: This pin is connected to the positive supply voltage.
2. GND: This pin is connected to the ground or negative supply voltage.
3. RESET: This pin outputs a reset signal when the monitored voltage falls below the threshold level.

Functional Features

• Accurate voltage monitoring: The TPS3839G12DQNT ensures precise monitoring of the input voltage.
• Reset generation: It generates a reset signal when the voltage drops below the specified threshold.
• Low power consumption: The device consumes minimal power during operation, making it energy-efficient.
• Wide temperature range: It can operate reliably over a wide temperature range, making it suitable for various environments.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring prevents system malfunctions.
• Small package size allows for easy integration into space-constrained designs.
• Low power consumption helps conserve energy.
• Wide operating temperature range ensures reliability in different conditions.

Disadvantages

• Limited to voltage monitoring and reset generation functionality.
• May not be suitable for applications requiring more advanced features.

Working Principles

The TPS3839G12DQNT operates by continuously monitoring the input voltage. When the voltage falls below the threshold level, the device generates a reset signal. This signal can be used to initiate a system reset or trigger other actions to ensure the stability of the electronic system.

Detailed Application Field Plans

The TPS3839G12DQNT is commonly used in various electronic systems that require reliable voltage monitoring and reset generation. Some specific application fields include:

1. Microcontrollers: Ensuring stable voltage levels is crucial for the proper functioning of microcontrollers.
2. Industrial Control Systems: Voltage supervision is essential in industrial control systems to prevent damage caused by voltage fluctuations.
3. Automotive Electronics: The TPS3839G12DQNT can be used in automotive electronics to monitor and control voltage levels in critical systems.
4. Power Management: It can be employed in power management circuits to maintain stable voltage output.

Detailed and Complete Alternative Models

1. TPS3839K33DBVR: Similar to TPS3839G12DQNT but with a different threshold voltage.
2. TPS3839L30DBVR: Another alternative with a different threshold voltage.
3. TPS3839M18DBVR: Similar to TPS3839G12DQNT but with a different threshold voltage.

These alternative models offer similar functionality but with varying threshold voltages to suit different application requirements.

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