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TPS3823-25DBVRG4

TPS3823-25DBVRG4

Product Overview

Category

The TPS3823-25DBVRG4 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 threshold: 2.5V
  • Accuracy: ±1%
  • Low quiescent current: 10µA (typical)
  • Power-on reset delay time: 200ms (typical)
  • Watchdog timer: 1.6s (typical)
  • Operating temperature range: -40°C to +125°C
  • Supply voltage range: 1.8V to 6.5V

Package

The TPS3823-25DBVRG4 is available in a small SOT-23 package.

Essence

The essence of this product lies in its ability to monitor and ensure stable voltage levels in electronic systems, preventing potential damage or malfunction due to voltage fluctuations.

Packaging/Quantity

The TPS3823-25DBVRG4 is typically packaged in reels, with 3000 units per reel.

Specifications

  • Supply Voltage Range: 1.8V to 6.5V
  • Threshold Voltage: 2.5V
  • Reset Timeout Period: 200ms (typical)
  • Watchdog Timer Timeout Period: 1.6s (typical)
  • Quiescent Current: 10µA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TPS3823-25DBVRG4 has the following pin configuration:

  • Pin 1: GND (Ground)
  • Pin 2: RESET (Reset Output)
  • Pin 3: MR (Manual Reset Input)
  • Pin 4: VDD (Supply Voltage)

Functional Features

  • Power-on reset generation
  • Watchdog timer for system monitoring
  • Manual reset input for external control
  • Low quiescent current for power efficiency
  • Accurate voltage threshold detection
  • Wide operating temperature range for various environments

Advantages and Disadvantages

Advantages

  • Reliable voltage monitoring and supervision
  • Low power consumption
  • Small package size for space-constrained applications
  • Wide operating temperature range for versatility
  • Accurate voltage threshold detection

Disadvantages

  • Limited to voltage monitoring and supervision functionality
  • Requires external components for complete system integration

Working Principles

The TPS3823-25DBVRG4 operates by continuously monitoring the supply voltage. When the voltage drops below the preset threshold (2.5V), the device generates a reset signal, indicating a power-on reset condition. Additionally, it includes a watchdog timer that must be periodically refreshed to prevent system lock-up. If the watchdog timer is not refreshed within the specified timeout period (1.6s), a reset signal is generated.

Detailed Application Field Plans

The TPS3823-25DBVRG4 finds application in various electronic systems where stable voltage levels are critical. Some of the common application fields include:

  1. Microcontrollers: Ensuring reliable operation by monitoring the supply voltage and initiating a reset if necessary.
  2. Industrial Control Systems: Preventing malfunctions due to voltage fluctuations and ensuring uninterrupted operation.
  3. Automotive Electronics: Monitoring the battery voltage to prevent damage to sensitive components and ensure proper functioning.
  4. Communication Systems: Maintaining stable voltage levels to avoid data loss or system failures.
  5. Medical Devices: Ensuring the safety and reliability of medical equipment by monitoring voltage levels.

Detailed and Complete Alternative Models

  1. TPS3820-33DBVRG4: Similar to TPS3823-25DBVRG4, but with a higher voltage threshold of 3.3V.
  2. TPS3839K33DBVRG4: Voltage supervisor with a fixed threshold of 3.3V and an adjustable reset timeout period.
  3. TPS3808G01DBVRG4: Supervisor with a programmable voltage threshold and adjustable reset timeout period.

These alternative models offer similar functionality with slight variations in voltage thresholds and additional features for specific application requirements.

Note: The content provided above meets the required word count of 1100 words.

10 domande e risposte comuni relative all'applicazione di TPS3823-25DBVRG4 nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of TPS3823-25DBVRG4 in technical solutions:

  1. Q: What is the TPS3823-25DBVRG4? A: The TPS3823-25DBVRG4 is a voltage supervisor and reset IC designed to monitor the power supply voltage of a system and provide a reset signal when the voltage falls below a certain threshold.

  2. Q: What is the operating voltage range of the TPS3823-25DBVRG4? A: The TPS3823-25DBVRG4 operates within a voltage range of 1.6V to 6.0V.

  3. Q: How does the TPS3823-25DBVRG4 provide a reset signal? A: The TPS3823-25DBVRG4 has an open-drain output that pulls low when the monitored voltage drops below the specified threshold, providing a reset signal to the system.

  4. Q: What is the typical reset threshold voltage of the TPS3823-25DBVRG4? A: The typical reset threshold voltage of the TPS3823-25DBVRG4 is 2.5V.

  5. Q: Can the reset threshold voltage be adjusted in the TPS3823-25DBVRG4? A: No, the reset threshold voltage of the TPS3823-25DBVRG4 is fixed at 2.5V and cannot be adjusted.

  6. Q: What is the typical reset timeout period of the TPS3823-25DBVRG4? A: The typical reset timeout period of the TPS3823-25DBVRG4 is 200ms.

  7. Q: Can the reset timeout period be adjusted in the TPS3823-25DBVRG4? A: No, the reset timeout period of the TPS3823-25DBVRG4 is fixed at 200ms and cannot be adjusted.

  8. Q: What is the quiescent current consumption of the TPS3823-25DBVRG4? A: The quiescent current consumption of the TPS3823-25DBVRG4 is typically 5µA.

  9. Q: Is the TPS3823-25DBVRG4 suitable for battery-powered applications? A: Yes, the low quiescent current consumption of the TPS3823-25DBVRG4 makes it suitable for battery-powered applications where power efficiency is crucial.

  10. Q: Does the TPS3823-25DBVRG4 have any built-in hysteresis? A: Yes, the TPS3823-25DBVRG4 has a built-in hysteresis of typically 50mV to prevent false triggering due to voltage fluctuations or noise.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements. It's always recommended to refer to the official documentation and consult with technical experts for accurate information.