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TPS3123G15DBVT
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TPS3123G15DBVT

Overview

Product Category

The TPS3123G15DBVT 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 supervisors ensure stable operation by monitoring power supply voltages.
  • The TPS3123G15DBVT offers precise voltage monitoring capabilities.
  • It provides a reset signal when the monitored voltage falls below a specified threshold.
  • This device operates with low power consumption, making it suitable for battery-powered applications.

Package

The TPS3123G15DBVT is available in a small SOT-23 package.

Essence

The essence of the TPS3123G15DBVT lies in its ability to monitor and regulate voltage levels, ensuring reliable operation of electronic systems.

Packaging/Quantity

This product is typically sold in reels containing a specific quantity, such as 3000 units per reel.

Specifications

  • Supply Voltage Range: 1.2V to 5.5V
  • Threshold Voltage Accuracy: ±1.5%
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 1.5µA (typical)
  • Output Type: Active Low Push-Pull

Detailed Pin Configuration

The TPS3123G15DBVT has the following pin configuration:

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

Functional Features

  • Precise voltage monitoring
  • Manual reset capability
  • Low quiescent current consumption
  • Active low push-pull output for reset signal

Advantages and Disadvantages

Advantages

  • Accurate voltage monitoring ensures system stability.
  • Low power consumption makes it suitable for battery-powered devices.
  • Small package size allows for space-efficient designs.

Disadvantages

  • Limited threshold voltage accuracy of ±1.5% may not be suitable for highly precise applications.
  • Lack of additional features compared to more advanced voltage supervisors.

Working Principles

The TPS3123G15DBVT operates by continuously monitoring the supply voltage. When the voltage falls below a predetermined threshold, it triggers a reset signal. This signal can be used to initiate system resets or other necessary actions to ensure proper operation.

Detailed Application Field Plans

The TPS3123G15DBVT finds application in various electronic systems where voltage monitoring is critical. Some potential application fields include:

  1. Battery-powered devices: Ensuring stable operation and preventing damage due to low battery voltage.
  2. Industrial control systems: Monitoring power supply voltages to prevent malfunctions and ensure reliable operation.
  3. Automotive electronics: Safeguarding sensitive components from voltage fluctuations and ensuring proper functioning.

Detailed and Complete Alternative Models

  1. TPS3125G15DBVT: Similar to TPS3123G15DBVT but with a higher threshold voltage accuracy of ±1%.
  2. TPS3128G15DBVT: Offers adjustable threshold voltage settings for greater flexibility in different applications.
  3. TPS3129G15DBVT: Provides additional features such as power-on reset delay and watchdog timer functionality.

These alternative models offer varying specifications and features to cater to different requirements and preferences.

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技術ソリューションにおける TPS3123G15DBVT 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 TPS3123G15DBVT in technical solutions:

  1. Q: What is the TPS3123G15DBVT? A: The TPS3123G15DBVT is a voltage supervisor and watchdog timer IC (integrated circuit) used for monitoring power supply voltages in various electronic systems.

  2. Q: What are the key features of the TPS3123G15DBVT? A: Some key features include an adjustable voltage threshold, a watchdog timer with programmable timeout period, low quiescent current consumption, and a small form factor package.

  3. Q: How does the TPS3123G15DBVT help in system reliability? A: The TPS3123G15DBVT monitors the power supply voltage and can generate a reset signal if the voltage falls below a certain threshold, ensuring that the system remains stable and reliable.

  4. Q: Can I adjust the voltage threshold of the TPS3123G15DBVT? A: Yes, the TPS3123G15DBVT allows you to set the voltage threshold using external resistors, making it adaptable to different system requirements.

  5. Q: What is the purpose of the watchdog timer in the TPS3123G15DBVT? A: The watchdog timer helps prevent system lock-ups by requiring periodic software or hardware "kicks" to reset the timer. If the timer is not reset within the specified timeout period, a reset signal is generated.

  6. Q: What is the operating voltage range of the TPS3123G15DBVT? A: The TPS3123G15DBVT operates over a wide voltage range, typically from 0.8V to 5.5V, making it suitable for a variety of applications.

  7. Q: Can the TPS3123G15DBVT be used in battery-powered systems? A: Yes, the TPS3123G15DBVT's low quiescent current consumption and wide operating voltage range make it well-suited for battery-powered applications.

  8. Q: Does the TPS3123G15DBVT have any built-in protection features? A: Yes, the TPS3123G15DBVT includes built-in overvoltage and undervoltage detection, providing additional protection to the system.

  9. Q: What is the package type of the TPS3123G15DBVT? A: The TPS3123G15DBVT comes in a small SOT-23 package, which is compact and easy to integrate into various circuit designs.

  10. Q: Are there any application notes or reference designs available for the TPS3123G15DBVT? A: Yes, Texas Instruments provides application notes and reference designs that can help users understand and implement the TPS3123G15DBVT effectively in their technical solutions.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.