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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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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van TPS3838K33DBVT in technische oplossingen

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.