TPS3831L30DQNT - English Editing Encyclopedia Entry

Product Overview

Category

The TPS3831L30DQNT belongs to the category of voltage supervisors.

Use

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

Characteristics

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

Package

The TPS3831L30DQNT is available in a small SOT-23 package.

Essence

The essence of the TPS3831L30DQNT is its ability to accurately monitor voltage levels and provide a reliable output signal.

Packaging/Quantity

The TPS3831L30DQNT is typically sold in reels, with each reel containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer.

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

Pin Configuration

The TPS3831L30DQNT has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that provides the monitored voltage status.

Functional Features

• Undervoltage detection: Monitors the input voltage and generates a reset signal when it falls below a certain threshold.
• Adjustable threshold voltage: Allows the user to set the desired voltage level at which the reset signal is triggered.
• Power-on reset delay: Provides a delay before generating the reset signal after power is applied, ensuring stable operation during power-up.

Advantages and Disadvantages

Advantages

• Low-power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows for flexibility in various electronic systems.
• Adjustable threshold voltage enables customization based on specific requirements.
• Small package size saves board space and facilitates compact designs.

Disadvantages

• Limited to voltage monitoring and control applications, not suitable for other functions.
• May require additional external components for certain applications, increasing complexity and cost.

Working Principles

The TPS3831L30DQNT works by continuously monitoring the input voltage. When the voltage falls below the user-defined threshold, the device generates a reset signal. This signal can be used to initiate system shutdown or trigger corrective actions to prevent damage or data loss.

Detailed Application Field Plans

The TPS3831L30DQNT finds applications in various fields, including:

1. Battery-powered devices: Ensures proper operation and prevents damage due to undervoltage conditions.
2. Industrial automation: Monitors power supply voltages in control systems to maintain stability and reliability.
3. Automotive electronics: Protects sensitive components from voltage fluctuations and ensures safe operation.
4. Telecommunications: Guards against voltage drops in communication equipment, preventing service disruptions.

Detailed and Complete Alternative Models

1. TPS3830L30DQNT: Similar to TPS3831L30DQNT but with fixed threshold voltage.
2. TPS3832L30DQNT: Higher accuracy version of TPS3831L30DQNT with tighter threshold voltage tolerance.
3. TPS3831H30DQNT: Same features as TPS3831L30DQNT but operates at higher temperature ranges.

(Note: The above alternative models are just examples and not an exhaustive list.)

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