TPS3839G18DQNT

Product Overview

Category

The TPS3839G18DQNT 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
• Offers a wide operating voltage range
• Low power consumption
• High precision and reliability
• Compact package size

Package

The TPS3839G18DQNT comes in a small surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of the TPS3839G18DQNT is its ability to ensure stable voltage levels in electronic systems, preventing damage or malfunction due to voltage fluctuations.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage Range: 1.8V to 6.5V
• Threshold Voltage Accuracy: ±1.5%
• Quiescent Current: 1.5µA (typical)
• Power-On Reset Delay: 200ms (typical)
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TPS3839G18DQNT has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground connection
3. RESET: Output signal indicating the voltage status

Functional Features

• Accurate voltage monitoring: The TPS3839G18DQNT ensures precise monitoring of the input voltage.
• Power-on reset delay: It provides a delay of 200ms before asserting the reset signal, allowing sufficient time for the system to stabilize.
• Low quiescent current: With a typical quiescent current of 1.5µA, it minimizes power consumption.
• Reset signal output: The RESET pin provides an output signal indicating the voltage status.

Advantages and Disadvantages

Advantages

• High precision and reliability ensure accurate voltage monitoring.
• Wide operating voltage range makes it compatible with various electronic systems.
• Low power consumption helps in energy-efficient designs.
• Compact package size allows for easy integration into space-constrained applications.

Disadvantages

• Limited to voltage monitoring and does not provide additional functionalities.
• May require external components for specific system requirements.

Working Principles

The TPS3839G18DQNT operates by comparing the input voltage with a reference threshold. If the voltage falls below the threshold, the reset signal is asserted, indicating a low voltage condition. Once the voltage rises above the threshold, the reset signal is de-asserted, indicating a normal voltage level.

Detailed Application Field Plans

The TPS3839G18DQNT finds application in various fields, including:

1. Power supply units: It ensures stable voltage levels in power supply units, preventing damage to connected devices.
2. Microcontrollers: The voltage supervisor protects microcontrollers from voltage fluctuations, ensuring reliable operation.
3. Industrial automation: It is used in industrial automation systems to monitor and control voltage levels, enhancing system reliability.
4. Automotive electronics: The TPS3839G18DQNT safeguards automotive electronic systems from voltage variations, improving overall performance.

Detailed and Complete Alternative Models

1. TPS3839K33DBVT: Similar to TPS3839G18DQNT but operates at a different threshold voltage (3.3V).
2. TPS3839L30DBVR: Another alternative with a lower threshold voltage (3.0V) for specific voltage monitoring requirements.
3. TPS3839M25DBVR: This model has a higher threshold voltage (2.5V) and can be used in applications with different voltage level tolerances.

These alternative models offer similar functionality but cater to specific voltage threshold requirements.

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