Texas Instruments
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TPS3838J25DBVRG4
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TPS3838J25DBVRG4

Product Overview

Category

The TPS3838J25DBVRG4 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: 1.6µA (typical)
  • Wide operating temperature range: -40°C to +125°C
  • Small package size: SOT-23-5
  • Low power-on reset time: 20ms (typical)

Package

The TPS3838J25DBVRG4 is packaged in a small SOT-23-5 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3838J25DBVRG4 is its ability to monitor and supervise voltage levels with high accuracy and low power consumption.

Packaging/Quantity

This product is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

  • Supply voltage range: 1.6V to 6.5V
  • Reset threshold options: 2.5V
  • Reset timeout options: 20ms
  • Quiescent current: 1.6µA (typical)
  • Operating temperature range: -40°C to +125°C
  • Output type: Active-low, push-pull

Detailed Pin Configuration

The TPS3838J25DBVRG4 has the following pin configuration:

  1. GND (Ground)
  2. VDD (Supply voltage)
  3. MR (Manual reset input)
  4. RESET (Reset output)
  5. NC (No connection)

Functional Features

  • Accurate voltage monitoring: The TPS3838J25DBVRG4 provides precise voltage threshold detection, ensuring reliable system operation.
  • Low power consumption: With a quiescent current of only 1.6µA, this device minimizes power consumption and extends battery life in portable applications.
  • Fast power-on reset: The TPS3838J25DBVRG4 has a quick power-on reset time of 20ms, allowing for rapid system initialization.

Advantages and Disadvantages

Advantages

  • High accuracy voltage monitoring
  • Low power consumption
  • Small package size
  • Wide operating temperature range

Disadvantages

  • Limited reset threshold options
  • Single output type (active-low, push-pull)

Working Principles

The TPS3838J25DBVRG4 operates by comparing the input voltage with a fixed threshold level. When the input voltage drops below the threshold, the reset output is activated, indicating a power failure or low voltage condition. The manual reset input allows for external control of the reset function.

Detailed Application Field Plans

The TPS3838J25DBVRG4 finds application in various fields, including: 1. Battery-powered devices: Ensuring proper voltage levels in portable electronics such as smartphones, tablets, and wearables. 2. Industrial automation: Monitoring voltage stability in control systems and equipment. 3. Automotive electronics: Supervising voltage levels in automotive applications to prevent malfunctions.

Detailed and Complete Alternative Models

Some alternative models to the TPS3838J25DBVRG4 include: - TPS3839J25DBVRG4: Similar specifications but with a different reset threshold option (2.5V). - TPS3838K33DBVRG4: Higher reset threshold option (3.3V) with similar characteristics and package.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TPS3838J25DBVRG4 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of TPS3838J25DBVRG4 in technical solutions:

  1. Q: What is the TPS3838J25DBVRG4? A: The TPS3838J25DBVRG4 is a voltage supervisor and reset IC manufactured by Texas Instruments.

  2. Q: What is the purpose of the TPS3838J25DBVRG4? A: The purpose of this IC is to monitor the voltage level of a system and generate a reset signal when the voltage falls below a certain threshold.

  3. Q: What is the operating voltage range of the TPS3838J25DBVRG4? A: The operating voltage range is from 1.6V to 6.5V.

  4. Q: What is the typical reset threshold voltage of the TPS3838J25DBVRG4? A: The typical reset threshold voltage is 2.5V.

  5. Q: Can the reset threshold voltage be adjusted? A: No, the reset threshold voltage is fixed at 2.5V for the TPS3838J25DBVRG4.

  6. Q: What is the output type of the TPS3838J25DBVRG4? A: The output type is an active-low push-pull.

  7. Q: What is the maximum supply current of the TPS3838J25DBVRG4? A: The maximum supply current is 5µA.

  8. Q: Does the TPS3838J25DBVRG4 have any built-in delay before generating a reset signal? A: Yes, it has a fixed delay time of 200ms.

  9. Q: Can the TPS3838J25DBVRG4 be used in battery-powered applications? A: Yes, it can be used in battery-powered applications due to its low supply current and wide operating voltage range.

  10. Q: What is the package type of the TPS3838J25DBVRG4? A: The TPS3838J25DBVRG4 comes in a SOT-23-5 package.

Please note that these answers are based on general information about the TPS3838J25DBVRG4 and may vary depending on specific application requirements.