Texas Instruments
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
TPS3123J18DBVR
Zobrazit detail DataSheets

TPS3123J18DBVR

Product Overview

Category

The TPS3123J18DBVR belongs to the category of voltage supervisors.

Use

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

Characteristics

  • Voltage supervisors ensure stable power supply by monitoring voltage levels.
  • The TPS3123J18DBVR offers precise voltage monitoring capabilities.
  • It provides a reliable solution for preventing system failures due to voltage fluctuations.

Package

The TPS3123J18DBVR comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3123J18DBVR lies in its ability to monitor and regulate voltage levels, ensuring the proper functioning of electronic systems.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity of units. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Input Voltage Range: 1.8V to 6V
  • Threshold Voltage Accuracy: ±1%
  • Quiescent Current: 10µA (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Output Type: Active Low

Detailed Pin Configuration

The TPS3123J18DBVR has the following pin configuration:

  1. GND (Ground)
  2. VDD (Supply Voltage)
  3. MR (Manual Reset)
  4. RESET (Reset Output)

Functional Features

  • Precise voltage monitoring and regulation
  • Manual reset capability for system control
  • Active low reset output signal
  • Low quiescent current for power efficiency
  • Wide operating temperature range for versatility

Advantages and Disadvantages

Advantages

  • Accurate voltage monitoring prevents system failures.
  • Small package size allows for use in space-constrained applications.
  • Manual reset feature provides additional control over system operation.
  • Low quiescent current ensures power efficiency.

Disadvantages

  • Limited input voltage range (1.8V to 6V).
  • Threshold voltage accuracy may not be suitable for highly sensitive applications.

Working Principles

The TPS3123J18DBVR works by continuously monitoring the input voltage and comparing it to a predefined threshold. If the voltage falls below the threshold, the device triggers a reset signal, indicating a potential power failure or instability. The manual reset pin allows for user-controlled system resets when necessary.

Detailed Application Field Plans

The TPS3123J18DBVR finds application in various electronic systems that require reliable voltage monitoring and regulation. Some specific application fields include:

  1. Power supply units
  2. Microcontrollers
  3. Industrial automation systems
  4. Communication equipment
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. TPS3125J18DBVR: Similar to TPS3123J18DBVR but with a higher input voltage range of 1.8V to 10V.
  2. TPS3128J18DBVR: Offers an extended operating temperature range of -40°C to +125°C.
  3. TPS3129J18DBVR: Provides adjustable threshold voltage settings for increased flexibility.

These alternative models offer similar functionality to the TPS3123J18DBVR but with slight variations in specifications to cater to different application requirements.

Word count: 408 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TPS3123J18DBVR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TPS3123J18DBVR in technical solutions:

  1. Q: What is the TPS3123J18DBVR? A: The TPS3123J18DBVR is a voltage supervisor and reset IC manufactured by Texas Instruments.

  2. Q: What is the purpose of the TPS3123J18DBVR? A: The TPS3123J18DBVR is designed to monitor the voltage level of a system and provide a reset signal when the voltage falls below a certain threshold.

  3. Q: What is the operating voltage range of the TPS3123J18DBVR? A: The TPS3123J18DBVR operates within a voltage range of 0.8V to 5.5V.

  4. Q: How does the TPS3123J18DBVR detect undervoltage conditions? A: The TPS3123J18DBVR uses an internal voltage reference and comparator to detect when the monitored voltage falls below a programmable threshold.

  5. Q: Can the threshold voltage be adjusted on the TPS3123J18DBVR? A: Yes, the threshold voltage can be adjusted using external resistors connected to the VIT and VIL pins.

  6. Q: What is the typical reset time delay of the TPS3123J18DBVR? A: The typical reset time delay of the TPS3123J18DBVR is 200ms.

  7. Q: Does the TPS3123J18DBVR have an open-drain output? A: Yes, the TPS3123J18DBVR has an open-drain reset output that can be pulled low when an undervoltage condition is detected.

  8. Q: Can the TPS3123J18DBVR be used in battery-powered applications? A: Yes, the TPS3123J18DBVR's low operating voltage range and low quiescent current make it suitable for battery-powered applications.

  9. Q: What is the maximum supply current of the TPS3123J18DBVR? A: The maximum supply current of the TPS3123J18DBVR is 10µA.

  10. Q: Is the TPS3123J18DBVR available in a small package? A: Yes, the TPS3123J18DBVR is available in a small SOT-23 package, which makes it suitable for space-constrained applications.

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