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TPS3123J12DBVR

TPS3123J12DBVR

Product Overview

Category

The TPS3123J12DBVR belongs to the category of voltage supervisors.

Use

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

Characteristics

  • Voltage supervisors ensure stable power supply by monitoring voltage levels.
  • The TPS3123J12DBVR provides accurate voltage monitoring with low power consumption.
  • It offers a wide operating voltage range and high accuracy.
  • This device is designed to be compact and suitable for space-constrained applications.

Package

The TPS3123J12DBVR comes in a small SOT-23 package, which is commonly used for surface-mount devices.

Essence

The essence of the TPS3123J12DBVR lies in its ability to monitor and supervise voltage levels, ensuring reliable operation of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tape and reel packaging. The quantity per reel varies depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 0.4V to 6.5V
  • Threshold Voltage Accuracy: ±1%
  • Quiescent Current: 2µA (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Output Type: Active Low/Open Drain

Detailed Pin Configuration

The TPS3123J12DBVR has three pins:

  1. VDD: This pin is connected to the power supply voltage.
  2. GND: This pin is connected to the ground.
  3. RESET: This pin outputs a low signal when the monitored voltage falls below the threshold.

Functional Features

  • Accurate voltage monitoring: The TPS3123J12DBVR ensures precise monitoring of voltage levels, preventing system malfunctions due to voltage fluctuations.
  • Low power consumption: With a quiescent current of only 2µA, this device minimizes power consumption and extends battery life in portable applications.
  • Wide operating voltage range: The TPS3123J12DBVR can operate within a wide voltage range, making it suitable for various electronic systems.
  • Compact size: The small SOT-23 package allows for easy integration into space-constrained designs.

Advantages and Disadvantages

Advantages

  • Accurate voltage monitoring ensures system stability.
  • Low power consumption prolongs battery life.
  • Wide operating voltage range provides versatility.
  • Compact size enables easy integration.

Disadvantages

  • Limited pin configuration options.
  • May require additional components for specific applications.

Working Principles

The TPS3123J12DBVR works by comparing the input voltage with a preset threshold. When the voltage falls below the threshold, the RESET pin outputs a low signal, indicating a voltage fault. This signal can be used to trigger appropriate actions, such as system shutdown or fault notification.

Detailed Application Field Plans

The TPS3123J12DBVR finds applications in various fields, including:

  1. Power management systems: It ensures stable power supply in devices like smartphones, tablets, and laptops.
  2. Industrial automation: It monitors voltage levels in control systems, preventing damage due to voltage fluctuations.
  3. Automotive electronics: It safeguards critical components from voltage variations, enhancing reliability in vehicles.
  4. IoT devices: It provides voltage supervision in smart home devices, wearables, and other connected devices.

Detailed and Complete Alternative Models

  1. TPS3125J18DBVR: Similar to TPS3123J12DBVR but with a higher threshold voltage.
  2. TPS3128J30DBVR: Similar to TPS3123J12DBVR but with a lower threshold voltage.
  3. TPS3129J15DBVR: Similar to TPS3123J12DBVR but with a different package (SOT-563).

These alternative models offer similar functionality and can be considered as substitutes for the TPS3123J12DBVR based on specific application requirements.

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แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ TPS3123J12DBVR ในโซลูชันทางเทคนิค

Sure! Here are 10 common questions and answers related to the application of TPS3123J12DBVR in technical solutions:

  1. Q: What is the TPS3123J12DBVR? A: The TPS3123J12DBVR is a voltage supervisor and reset IC designed for monitoring power supply voltages in microcontrollers, DSPs, and other digital systems.

  2. Q: What is the operating voltage range of TPS3123J12DBVR? A: The TPS3123J12DBVR operates within a voltage range of 0.8V to 5.5V.

  3. Q: What is the purpose of using TPS3123J12DBVR in a technical solution? A: TPS3123J12DBVR ensures reliable system operation by monitoring the power supply voltage and generating a reset signal when it falls below a specified threshold.

  4. Q: How does TPS3123J12DBVR generate a reset signal? A: When the monitored voltage drops below the threshold, TPS3123J12DBVR asserts the RESET output pin low, indicating a system reset condition.

  5. Q: Can TPS3123J12DBVR be used with different power supply voltages? A: Yes, TPS3123J12DBVR can be used with various power supply voltages as long as they fall within its specified operating range.

  6. Q: Does TPS3123J12DBVR have an adjustable reset threshold? A: No, TPS3123J12DBVR has a fixed reset threshold voltage of 1.2V.

  7. Q: Is TPS3123J12DBVR suitable for battery-powered applications? A: Yes, TPS3123J12DBVR is suitable for battery-powered applications as it has a low quiescent current of typically 1.5µA.

  8. Q: Can TPS3123J12DBVR tolerate voltage spikes or transients? A: Yes, TPS3123J12DBVR has built-in hysteresis to prevent false triggering due to voltage spikes or transients.

  9. Q: Does TPS3123J12DBVR have any additional features? A: Yes, TPS3123J12DBVR includes a manual reset input and a power-on reset delay timer.

  10. Q: What package does TPS3123J12DBVR come in? A: TPS3123J12DBVR is available in a small SOT-23-5 package, which is suitable for space-constrained applications.

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