TPS3823-30DBVRG4

Product Overview

Category

The TPS3823-30DBVRG4 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 supervision range: 2.93V to 3.07V
• Low quiescent current: 10µA (typical)
• Precision voltage monitor: ±1.5% accuracy
• Power-on reset delay time: 200ms (typical)
• Open-drain output
• Small package size: SOT-23-5

Package

The TPS3823-30DBVRG4 is available in a small SOT-23-5 package.

Essence

The essence of the TPS3823-30DBVRG4 is its ability to accurately monitor and supervise voltage levels in electronic systems, ensuring proper functionality and preventing damage due to voltage fluctuations.

Packaging/Quantity

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

Specifications

• Supply voltage range: 2.7V to 6.5V
• Operating temperature range: -40°C to +85°C
• Power-on reset threshold voltage: 2.93V to 3.07V
• Reset timeout period: 140ms to 1120ms
• Output type: Active-low, open-drain

Detailed Pin Configuration

The TPS3823-30DBVRG4 has the following pin configuration:

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

Functional Features

• Accurate voltage monitoring: The TPS3823-30DBVRG4 provides precise voltage monitoring within the specified range.
• Power-on reset: It ensures a stable reset signal during power-up, preventing any undefined behavior in the system.
• Manual reset input: The MR pin allows for manual reset control when necessary.
• Open-drain output: The open-drain output provides flexibility in connecting to other components.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows for compatibility with various systems.
• Low quiescent current minimizes power consumption.
• Small package size enables space-saving designs.
• Accurate voltage monitoring ensures system reliability.

Disadvantages

• Limited reset timeout period may not be suitable for all applications requiring longer delays.
• Lack of integrated watchdog timer limits its functionality in certain scenarios.

Working Principles

The TPS3823-30DBVRG4 operates by continuously monitoring the supply voltage. When the voltage falls below the specified threshold, the reset output is activated, indicating a power-on reset condition. This ensures that the system remains in a known state during power-up or voltage fluctuations.

Detailed Application Field Plans

The TPS3823-30DBVRG4 finds application in various electronic systems where voltage supervision is critical. Some potential fields of application include:

1. Microcontrollers and microprocessors
2. Industrial automation systems
3. Automotive electronics
4. Power management circuits
5. Battery-powered devices

Detailed and Complete Alternative Models

1. TPS3820-33DBVRG4: Similar voltage supervisor with a fixed threshold of 3.3V.
2. TPS3839K33DBVRG4: Voltage supervisor with adjustable threshold and higher accuracy.
3. TPS3808G01DBVRG4: Supervisor with integrated watchdog timer for enhanced system monitoring.

These alternative models offer different features and specifications to cater to specific application requirements.

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