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TPS3126E12DBVRG4
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TPS3126E12DBVRG4

Overview

Product Category

The TPS3126E12DBVRG4 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 TPS3126E12DBVRG4 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 TPS3126E12DBVRG4 comes in a small SOT-23 package.

Essence

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

Packaging/Quantity

The TPS3126E12DBVRG4 is typically packaged in reels containing 3000 units.

Specifications

  • Supply Voltage Range: 1.2V to 5.5V
  • Threshold Voltage Options: 1.2V, 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
  • Quiescent Current: 10µA (typical)
  • Reset Timeout Period: 200ms (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS3126E12DBVRG4 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 with selectable threshold options.
  • Manual reset input allows for system restart.
  • Open-drain reset output for easy integration with other components.
  • Low quiescent current for power-efficient operation.
  • Built-in hysteresis to prevent false triggering.

Advantages and Disadvantages

Advantages

  • Accurate voltage monitoring ensures system stability.
  • Low power consumption extends battery life in portable applications.
  • Small package size enables space-saving designs.
  • Wide operating temperature range allows for use in various environments.

Disadvantages

  • Limited threshold voltage options may not cater to all voltage requirements.
  • Lack of adjustable timeout period may restrict certain applications.

Working Principles

The TPS3126E12DBVRG4 operates by continuously monitoring the supply voltage. When the voltage falls below the set threshold, the device generates a reset signal. This signal remains active until the voltage rises above the threshold or a manual reset is triggered.

Detailed Application Field Plans

The TPS3126E12DBVRG4 finds application in various fields, including: 1. Battery-powered devices: Ensures stable operation and prolongs battery life. 2. Microcontrollers: Provides reliable voltage monitoring for proper functioning. 3. Industrial automation: Monitors power supply voltages in control systems. 4. Automotive electronics: Ensures uninterrupted operation of critical components.

Detailed and Complete Alternative Models

  1. TPS3125E18DBVRG4: Similar to TPS3126E12DBVRG4 but with a different threshold voltage option (1.8V).
  2. TPS3128E25DBVRG4: Offers a higher threshold voltage option (2.5V) compared to TPS3126E12DBVRG4.
  3. TPS3129E33DBVRG4: Provides a higher threshold voltage option (3.3V) suitable for specific applications.

These alternative models offer similar functionality while catering to different voltage requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TPS3126E12DBVRG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TPS3126E12DBVRG4 in technical solutions:

  1. Q: What is the TPS3126E12DBVRG4? A: The TPS3126E12DBVRG4 is a voltage supervisor and watchdog timer IC designed for monitoring power supply voltages in microcontroller-based systems.

  2. Q: What is the operating voltage range of TPS3126E12DBVRG4? A: The TPS3126E12DBVRG4 operates within a voltage range of 0.8V to 5.5V.

  3. Q: How does TPS3126E12DBVRG4 monitor power supply voltages? A: The TPS3126E12DBVRG4 compares the monitored voltage against a programmable threshold and asserts a reset signal if the voltage falls below the threshold.

  4. Q: Can TPS3126E12DBVRG4 generate a reset signal when the voltage exceeds a certain threshold? A: No, the TPS3126E12DBVRG4 only generates a reset signal when the voltage falls below the programmed threshold.

  5. Q: What is the typical reset threshold accuracy of TPS3126E12DBVRG4? A: The typical reset threshold accuracy of TPS3126E12DBVRG4 is ±1.5%.

  6. Q: Does TPS3126E12DBVRG4 have an adjustable reset delay time? A: Yes, TPS3126E12DBVRG4 has an adjustable reset delay time which can be set using external capacitors.

  7. Q: Can TPS3126E12DBVRG4 operate in a wide temperature range? A: Yes, TPS3126E12DBVRG4 is designed to operate in a temperature range of -40°C to +125°C.

  8. Q: What is the maximum supply current of TPS3126E12DBVRG4? A: The maximum supply current of TPS3126E12DBVRG4 is 10µA.

  9. Q: Can TPS3126E12DBVRG4 be used in battery-powered applications? A: Yes, TPS3126E12DBVRG4 can be used in battery-powered applications as it has low quiescent current and operates at low voltages.

  10. Q: Does TPS3126E12DBVRG4 have built-in power-on reset (POR) functionality? A: Yes, TPS3126E12DBVRG4 has a built-in power-on reset circuit that ensures proper system initialization during power-up.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.