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TPS3838K33DBVT

TPS3838K33DBVT

Product Overview

Category

The TPS3838K33DBVT belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and supervising the voltage levels in electronic systems.

Characteristics

  • Low-power consumption
  • Wide operating voltage range
  • High accuracy
  • Adjustable threshold voltage
  • Small package size

Package

The TPS3838K33DBVT is available in a small SOT-23 package.

Essence

The essence of the TPS3838K33DBVT lies in its ability to provide accurate voltage monitoring and supervision, ensuring the reliable operation of electronic systems.

Packaging/Quantity

The TPS3838K33DBVT is typically packaged in reels containing 3000 units.

Specifications

  • Supply Voltage Range: 1.5V to 6.5V
  • Threshold Voltage Accuracy: ±1.5%
  • Quiescent Current: 1.5µA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TPS3838K33DBVT has the following pin configuration:

```


| | --| VDD | --| GND | --| RESET | |___________| ```

Functional Features

  • Accurate voltage monitoring: The TPS3838K33DBVT ensures precise monitoring of the supply voltage, preventing system malfunctions due to voltage fluctuations.
  • Adjustable threshold voltage: The threshold voltage can be adjusted to suit specific application requirements.
  • Power-saving design: With low quiescent current, the TPS3838K33DBVT minimizes power consumption, making it suitable for battery-powered devices.
  • Reset signal generation: It generates a reset signal when the monitored voltage falls below the set threshold, allowing for proper system initialization.

Advantages and Disadvantages

Advantages

  • High accuracy in voltage monitoring
  • Adjustable threshold voltage for customization
  • Low power consumption
  • Small package size for space-constrained applications

Disadvantages

  • Limited supply voltage range (1.5V to 6.5V)
  • Not suitable for high-voltage applications

Working Principles

The TPS3838K33DBVT operates by comparing the monitored voltage with a preset threshold voltage. When the monitored voltage falls below the threshold, the reset signal is generated, indicating a power failure or abnormal voltage condition. This allows the system to take appropriate actions, such as resetting or entering a low-power state.

Detailed Application Field Plans

The TPS3838K33DBVT finds applications in various fields, including:

  1. Battery-powered devices: It ensures reliable operation by monitoring the battery voltage and generating a reset signal when it drops below a certain level.
  2. Industrial automation: The TPS3838K33DBVT can be used to monitor power supply voltages in control systems, preventing malfunctions and ensuring uninterrupted operation.
  3. Automotive electronics: It provides voltage supervision in automotive systems, enabling safe and reliable operation of critical components.

Detailed and Complete Alternative Models

  1. TPS3839K33DBVT: Similar to the TPS3838K33DBVT, but with a higher threshold voltage range.
  2. TPS3840K33DBVT: Offers adjustable threshold voltage and wider operating temperature range compared to the TPS3838K33DBVT.
  3. TPS3838L30DBVT: A variant with a lower threshold voltage and extended supply voltage range.

(Note: These alternative models are provided for reference and may have different specifications and features.)

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技術ソリューションにおける TPS3838K33DBVT の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of TPS3838K33DBVT in technical solutions:

  1. Q: What is the TPS3838K33DBVT? A: The TPS3838K33DBVT is a voltage supervisor and reset IC manufactured by Texas Instruments.

  2. Q: What is the purpose of the TPS3838K33DBVT? A: The TPS3838K33DBVT is designed to monitor the power supply voltage and generate a reset signal when the voltage falls below a specified threshold.

  3. Q: What is the operating voltage range of the TPS3838K33DBVT? A: The TPS3838K33DBVT operates within a voltage range of 1.6V to 5.5V.

  4. Q: How does the TPS3838K33DBVT generate a reset signal? A: The TPS3838K33DBVT monitors the voltage using an internal voltage reference and comparator, and generates a reset signal when the voltage drops below the specified threshold.

  5. Q: Can the threshold voltage be adjusted on the TPS3838K33DBVT? A: No, the threshold voltage on the TPS3838K33DBVT is fixed at 3.08V.

  6. Q: What is the typical reset time delay of the TPS3838K33DBVT? A: The typical reset time delay of the TPS3838K33DBVT is 200ms.

  7. Q: Does the TPS3838K33DBVT have any additional features? A: Yes, the TPS3838K33DBVT includes a manual reset input and a watchdog timer function.

  8. Q: What is the watchdog timer function on the TPS3838K33DBVT? A: The watchdog timer function allows the TPS3838K33DBVT to monitor the system's activity and generate a reset signal if no activity is detected within a specified time period.

  9. Q: Can the TPS3838K33DBVT be used in battery-powered applications? A: Yes, the TPS3838K33DBVT has a low quiescent current of 1.5µA, making it suitable for battery-powered applications.

  10. Q: What package does the TPS3838K33DBVT come in? A: The TPS3838K33DBVT is available in a SOT-23-5 package.

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