TPS3831L30DQNR

Product Overview

Category

The TPS3831L30DQNR belongs to the category of voltage supervisors.

Use

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

Characteristics

• Low-power consumption
• Wide operating voltage range
• High accuracy
• Adjustable threshold voltage
• Small package size

Package

The TPS3831L30DQNR comes in a small SOT-23-5 package.

Essence

The essence of the TPS3831L30DQNR is its ability to provide accurate voltage monitoring and supervision, ensuring the reliable operation of electronic systems.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of TPS3831L30DQNR units.

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Threshold Voltage Accuracy: ±0.8%
• Quiescent Current: 1.2µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Output Type: Active-Low, Open-Drain

Detailed Pin Configuration

The TPS3831L30DQNR has five pins arranged as follows:

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Pin 1: GND (Ground) Pin 2: VDD (Supply Voltage) Pin 3: MR (Manual Reset) Pin 4: RESET (Reset Output) Pin 5: NC (No Connection)

Functional Features

• Undervoltage detection
• Manual reset capability
• Power-on reset delay
• Hysteresis for noise immunity
• Open-drain output for flexibility in system design

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices.
• Wide operating voltage range allows for compatibility with various systems.
• Adjustable threshold voltage provides flexibility in voltage monitoring.
• Small package size enables space-saving designs.

Disadvantages

• Limited to voltage monitoring and supervision applications.
• Requires external components for proper operation.
• May not be suitable for high-voltage systems.

Working Principles

The TPS3831L30DQNR operates by comparing the input voltage with a reference voltage. If the input voltage falls below the threshold voltage, the reset output is activated, indicating an undervoltage condition. The manual reset pin allows for a forced reset, while the power-on reset delay ensures stable operation during power-up.

Detailed Application Field Plans

The TPS3831L30DQNR finds application in various fields, including:

1. Battery-powered devices: Ensures proper voltage levels for efficient operation and prevents damage due to undervoltage conditions.
2. Industrial control systems: Monitors supply voltages to ensure reliable operation of critical equipment.
3. Automotive electronics: Provides voltage supervision for automotive systems, preventing malfunctions and ensuring safety.
4. Telecommunications: Monitors voltage levels in communication equipment to maintain uninterrupted service.

Detailed and Complete Alternative Models

1. TPS3830L30DBVR: Similar to TPS3831L30DQNR but comes in a SOT-23-3 package.
2. TPS3839K33DBVR: Offers a higher threshold voltage and comes in a SOT-23-5 package.
3. TPS3808G01DBVR: Provides additional features such as adjustable reset timeout and comes in a SOT-23-6 package.

These alternative models offer similar functionality and can be considered based on specific design requirements.

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