TPS3824-25DBVRG4

Product Overview

Category

The TPS3824-25DBVRG4 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: 2.5V
• Low quiescent current: 10µA (typical)
• Precision voltage monitor: ±1.5%
• Power-on reset delay time: 200ms (typical)
• Watchdog timer: 1.6s (typical)

Package

The TPS3824-25DBVRG4 is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3824-25DBVRG4 lies in its ability to provide accurate voltage monitoring and power-on reset functionality in electronic systems.

Packaging/Quantity

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

Specifications

• Supply voltage range: 1.8V to 6.5V
• Operating temperature range: -40°C to +85°C
• Output type: Active low
• Reset threshold voltage: 2.5V
• Reset timeout period: Adjustable

Detailed Pin Configuration

The TPS3824-25DBVRG4 features the following pin configuration:

1. GND (Ground)
2. RESET (Reset output)
3. MR (Manual reset input)
4. VDD (Supply voltage)

Functional Features

• Accurate voltage monitoring: The TPS3824-25DBVRG4 ensures precise monitoring of the supply voltage, providing reliable protection against undervoltage conditions.
• Power-on reset: It incorporates a power-on reset circuit that holds the reset output low during power-up, ensuring a controlled start-up sequence.
• Watchdog timer: The built-in watchdog timer monitors the system's operation and generates a reset signal if it detects a fault or malfunction.

Advantages and Disadvantages

Advantages

• Low quiescent current consumption, making it suitable for battery-powered applications.
• Small package size enables usage in space-constrained designs.
• Adjustable reset timeout period allows customization based on specific system requirements.

Disadvantages

• Limited voltage supervision range of 2.5V may not be suitable for all applications requiring higher voltage monitoring.

Working Principles

The TPS3824-25DBVRG4 operates by continuously monitoring the supply voltage. If the voltage falls below the preset threshold (2.5V), the reset output is asserted low, indicating an undervoltage condition. The power-on reset circuit ensures that the reset output remains low during power-up, providing a controlled start-up sequence. Additionally, the watchdog timer monitors the system's operation, generating a reset signal if it detects a fault or malfunction.

Detailed Application Field Plans

The TPS3824-25DBVRG4 finds application in various fields, including but not limited to: 1. Battery-powered devices: It ensures reliable voltage monitoring in portable electronic devices, preventing unexpected shutdowns due to low battery voltage. 2. Industrial automation: The TPS3824-25DBVRG4 provides voltage supervision in control systems, ensuring stable operation and preventing damage caused by undervoltage conditions. 3. Automotive electronics: It can be used in automotive applications to monitor critical voltage levels, enhancing the safety and reliability of the vehicle's electrical systems.

Detailed and Complete Alternative Models

1. TPS3820-33DBVRG4: This model offers a different reset threshold voltage of 3.3V while maintaining similar characteristics and features.
2. TPS3839K33DBVRG4: With a reset threshold voltage of 3.3V, this alternative model provides additional features such as a manual reset input and adjustable reset timeout period.

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

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