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TPS3824-30DBVRG4

TPS3824-30DBVRG4

Product Overview

Category

The TPS3824-30DBVRG4 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 with adjustable threshold
  • Manual reset input
  • Power-on reset delay time: 200ms (typical)
  • Watchdog timer function
  • Small package size: SOT-23-5

Package and Quantity

The TPS3824-30DBVRG4 is available in a small SOT-23-5 package. It is typically sold in reels, with a quantity of 3000 units per reel.

Specifications

  • Supply voltage range: 1.6V to 6.5V
  • Operating temperature range: -40°C to +85°C
  • Reset threshold accuracy: ±1.5%
  • Watchdog timeout period: 1.6s (typical)
  • Manual reset input voltage: 0.7V (minimum), VDD (maximum)

Pin Configuration

The TPS3824-30DBVRG4 has the following pin configuration:

```


| | --| RESET | --| GND | --| MR | --| VDD | --| VIT | |___________| ```

Functional Features

  1. Voltage Monitoring: The TPS3824-30DBVRG4 provides precise voltage monitoring within the specified range.
  2. Adjustable Threshold: The threshold voltage can be adjusted to suit specific system requirements.
  3. Manual Reset Input: The manual reset input allows for external control of the reset function.
  4. Power-On Reset Delay: The device ensures a stable power-on reset delay time, providing sufficient time for the system to stabilize.
  5. Watchdog Timer: The integrated watchdog timer helps detect and recover from system malfunctions or lock-ups.

Advantages and Disadvantages

Advantages

  • Wide supply voltage range allows for compatibility with various systems.
  • Low quiescent current minimizes power consumption.
  • Adjustable threshold provides flexibility in voltage monitoring.
  • Small package size enables space-saving designs.

Disadvantages

  • Limited operating temperature range (-40°C to +85°C).
  • Manual reset input voltage has specific limitations.

Working Principles

The TPS3824-30DBVRG4 operates by continuously monitoring the voltage level at the VIT pin. If the voltage falls below the adjustable threshold, the reset output is asserted, indicating a low-voltage condition. The power-on reset delay ensures that the reset output remains active for a specified period after power is applied or restored.

Application Field Plans

The TPS3824-30DBVRG4 finds applications in various fields, including: 1. Automotive electronics: Ensuring reliable voltage monitoring in automotive systems. 2. Industrial automation: Providing voltage supervision in industrial control systems. 3. Consumer electronics: Enhancing the stability of electronic devices by monitoring voltage levels. 4. Telecommunications: Safeguarding critical components by detecting voltage fluctuations.

Alternative Models

  1. TPS3820-33DBVRG4: Similar voltage supervisor with a fixed threshold of 3.3V.
  2. TPS3839K33DBVRG4: Voltage supervisor with adjustable threshold and additional power-on reset delay features.
  3. TPS3808G01DBVRG4: Ultra-low-power voltage supervisor with a wide supply voltage range.

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

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10 domande e risposte comuni relative all'applicazione di TPS3824-30DBVRG4 nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of TPS3824-30DBVRG4 in technical solutions:

  1. Q: What is the TPS3824-30DBVRG4? A: The TPS3824-30DBVRG4 is a voltage supervisor and reset IC designed to monitor the power supply voltage in electronic systems.

  2. Q: What is the operating voltage range of TPS3824-30DBVRG4? A: The operating voltage range of TPS3824-30DBVRG4 is from 2.5V to 6V.

  3. Q: What is the purpose of using TPS3824-30DBVRG4 in a technical solution? A: TPS3824-30DBVRG4 ensures proper system initialization by monitoring the power supply voltage and generating a reset signal when it falls below a specified threshold.

  4. Q: How does TPS3824-30DBVRG4 generate a reset signal? A: TPS3824-30DBVRG4 generates a reset signal by pulling the RESET pin low when the monitored voltage drops below the threshold voltage.

  5. Q: Can TPS3824-30DBVRG4 be used in battery-powered applications? A: Yes, TPS3824-30DBVRG4 can be used in battery-powered applications as it operates within a wide voltage range and has low quiescent current consumption.

  6. Q: What is the typical reset threshold voltage of TPS3824-30DBVRG4? A: The typical reset threshold voltage of TPS3824-30DBVRG4 is 3.0V.

  7. Q: Does TPS3824-30DBVRG4 have a manual reset input? A: No, TPS3824-30DBVRG4 does not have a manual reset input. The reset signal is generated automatically based on the monitored voltage.

  8. Q: Can TPS3824-30DBVRG4 be used in automotive applications? A: Yes, TPS3824-30DBVRG4 is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

  9. Q: What is the typical response time of TPS3824-30DBVRG4? A: The typical response time of TPS3824-30DBVRG4 is 20µs.

  10. Q: Does TPS3824-30DBVRG4 have an adjustable reset threshold voltage? A: No, TPS3824-30DBVRG4 has a fixed reset threshold voltage of 3.0V and does not provide adjustment options.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.