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TPS3128E18DBVR
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TPS3128E18DBVR

Product Overview

Category

The TPS3128E18DBVR belongs to the category of voltage supervisors.

Use

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

Characteristics

  • Provides accurate voltage monitoring
  • Offers a wide operating voltage range
  • Low power consumption
  • Small form factor
  • High precision

Package

The TPS3128E18DBVR comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3128E18DBVR is its ability to ensure stable voltage levels in electronic systems, preventing damage or malfunction due to voltage fluctuations.

Packaging/Quantity

The TPS3128E18DBVR is typically available in reels containing a quantity of 3000 units per reel.

Specifications

  • Input Voltage Range: 1.2V to 6.5V
  • Threshold Voltage Accuracy: ±1.8%
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 3µA (typical)
  • Power-On Reset Delay Time: 200ms (typical)

Detailed Pin Configuration

The TPS3128E18DBVR has the following pin configuration:

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

Functional Features

  • Accurate voltage monitoring and supervision
  • Manual reset capability
  • Power-on reset delay
  • Open-drain reset output
  • Low quiescent current

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows for versatile use
  • High precision ensures reliable voltage monitoring
  • Small form factor enables usage in space-constrained applications
  • Low power consumption for energy-efficient operation

Disadvantages

  • Limited to voltage monitoring and supervision functionality only
  • Requires external components for complete system integration

Working Principles

The TPS3128E18DBVR operates by continuously monitoring the input voltage. If the voltage falls below a predefined threshold, the device triggers a reset signal. The manual reset pin allows for additional control over the reset function.

Detailed Application Field Plans

The TPS3128E18DBVR finds applications in various electronic systems where voltage monitoring is critical. Some potential application fields include:

  1. Battery-powered devices: Ensuring stable voltage levels to prevent damage to sensitive electronics.
  2. Industrial automation: Monitoring power supply voltages to avoid system failures.
  3. Automotive electronics: Protecting sensitive components from voltage fluctuations.
  4. Telecommunications equipment: Maintaining reliable voltage levels for uninterrupted operation.

Detailed and Complete Alternative Models

  1. TPS3125E18DBVR: Similar to TPS3128E18DBVR but with a different threshold voltage accuracy.
  2. TPS3129E18DBVR: Offers higher precision and additional features compared to TPS3128E18DBVR.
  3. TPS3130E18DBVR: Provides similar functionality with enhanced operating temperature range.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TPS3128E18DBVR en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of TPS3128E18DBVR in technical solutions:

  1. Q: What is the TPS3128E18DBVR? A: The TPS3128E18DBVR is a voltage supervisor and reset IC manufactured by Texas Instruments.

  2. Q: What is the purpose of the TPS3128E18DBVR? A: The TPS3128E18DBVR is designed to monitor the voltage level of a system and generate a reset signal when the voltage falls below a certain threshold.

  3. Q: What is the operating voltage range of the TPS3128E18DBVR? A: The TPS3128E18DBVR operates within a voltage range of 0.7V to 5.5V.

  4. Q: How does the TPS3128E18DBVR generate a reset signal? A: The TPS3128E18DBVR monitors the voltage level using an internal voltage reference and comparator. When the voltage drops below the threshold, it pulls the RESET pin low.

  5. Q: Can the threshold voltage be adjusted on the TPS3128E18DBVR? A: No, the TPS3128E18DBVR has a fixed threshold voltage of 1.8V.

  6. Q: What is the typical power supply current consumption of the TPS3128E18DBVR? A: The TPS3128E18DBVR has a typical power supply current consumption of 9µA.

  7. Q: Does the TPS3128E18DBVR have any built-in delay for the reset signal? A: Yes, the TPS3128E18DBVR has a fixed delay time of 200ms for the reset signal.

  8. Q: Can the TPS3128E18DBVR be used in battery-powered applications? A: Yes, the low power consumption and wide operating voltage range make it suitable for battery-powered applications.

  9. Q: What is the package type of the TPS3128E18DBVR? A: The TPS3128E18DBVR comes in a SOT-23-5 package.

  10. Q: Are there any additional features or protections provided by the TPS3128E18DBVR? A: Yes, the TPS3128E18DBVR includes features like thermal shutdown protection and undervoltage lockout to ensure reliable operation.

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.