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TPS3126E12DBVTG4
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TPS3126E12DBVTG4

Product Overview

Category

The TPS3126E12DBVTG4 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 TPS3126E12DBVTG4 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 TPS3126E12DBVTG4 comes in a DBV (SOT-23) package.

Essence

The essence of the TPS3126E12DBVTG4 lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring the reliable operation of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

  • Supply Voltage Range: 1.2V to 5.5V
  • Threshold Voltage Options: 1.2V, 1.8V, 2.5V, 3.3V, 5V
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 10µA (typical)
  • Reset Timeout Period: Adjustable from 1ms to 640ms

Detailed Pin Configuration

The TPS3126E12DBVTG4 has the following pin configuration:

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

Functional Features

  • Precise voltage monitoring to ensure system stability.
  • Adjustable reset timeout period for flexibility in different applications.
  • Manual reset input for system control.
  • Low quiescent current for power efficiency.
  • Open-drain reset output for compatibility with various microcontrollers.

Advantages and Disadvantages

Advantages

  • Accurate voltage monitoring enhances system reliability.
  • Adjustable reset timeout allows customization based on application requirements.
  • Low power consumption extends battery life in portable devices.
  • Open-drain reset output simplifies interfacing with microcontrollers.

Disadvantages

  • Limited threshold voltage options may not cover all voltage levels required by certain applications.
  • The SOT-23 package may have size limitations for designs requiring higher pin counts.

Working Principles

The TPS3126E12DBVTG4 operates by continuously monitoring the supply voltage. When the voltage falls below the set threshold, the device triggers a reset signal. This signal remains active until the voltage rises above the threshold or a manual reset is applied.

Detailed Application Field Plans

The TPS3126E12DBVTG4 finds applications in various fields, including but not limited to: - Battery-powered devices such as smartphones, tablets, and wearables. - Industrial automation systems. - Automotive electronics. - Embedded systems and microcontroller-based projects. - Power management circuits.

Detailed and Complete Alternative Models

  1. TPS3125E12DBVTG4: Similar to TPS3126E12DBVTG4 but with a fixed 1.2V threshold voltage.
  2. TPS3128E12DBVTG4: Similar to TPS3126E12DBVTG4 but with a fixed 2.8V threshold voltage.
  3. TPS3129E12DBVTG4: Similar to TPS3126E12DBVTG4 but with a fixed 2.9V threshold voltage.
  4. TPS3120E12DBVTG4: Similar to TPS3126E12DBVTG4 but with a fixed 1.0V threshold voltage.

These alternative models provide options for different threshold voltage requirements in voltage monitoring applications.

Note: The above information is subject to change. Please refer to the product datasheet for the most up-to-date specifications and details.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TPS3126E12DBVTG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TPS3126E12DBVTG4 in technical solutions:

  1. Q: What is the TPS3126E12DBVTG4? A: The TPS3126E12DBVTG4 is a voltage supervisor and watchdog timer IC designed for monitoring power supply voltages in various applications.

  2. Q: What is the operating voltage range of TPS3126E12DBVTG4? A: The TPS3126E12DBVTG4 operates within a voltage range of 0.8V to 5.5V.

  3. Q: What is the purpose of the watchdog timer feature in TPS3126E12DBVTG4? A: The watchdog timer feature ensures that the system resets if it fails to receive a periodic signal, preventing system lock-ups or malfunctions.

  4. Q: Can TPS3126E12DBVTG4 monitor multiple power supply voltages simultaneously? A: Yes, TPS3126E12DBVTG4 can monitor up to two power supply voltages simultaneously.

  5. Q: What is the typical reset threshold voltage of TPS3126E12DBVTG4? A: The typical reset threshold voltage of TPS3126E12DBVTG4 is 1.2V.

  6. Q: Does TPS3126E12DBVTG4 have an adjustable reset delay time? A: Yes, TPS3126E12DBVTG4 has an adjustable reset delay time through an external capacitor.

  7. Q: Can TPS3126E12DBVTG4 operate in both active-high and active-low reset output configurations? A: Yes, TPS3126E12DBVTG4 can be configured for either active-high or active-low reset output.

  8. Q: What is the typical quiescent current consumption of TPS3126E12DBVTG4? A: The typical quiescent current consumption of TPS3126E12DBVTG4 is 10µA.

  9. Q: Does TPS3126E12DBVTG4 have built-in power-on reset functionality? A: Yes, TPS3126E12DBVTG4 has a built-in power-on reset circuitry that ensures proper system initialization.

  10. Q: Can TPS3126E12DBVTG4 withstand high temperatures? A: Yes, TPS3126E12DBVTG4 is designed to operate in a wide temperature range from -40°C to +125°C.

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