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TPS3305-25DGNG4

TPS3305-25DGNG4

Product Overview

Category

The TPS3305-25DGNG4 belongs to the category of voltage supervisors.

Use

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

Characteristics

  • Voltage supervisors ensure stable operation by monitoring power supply voltages.
  • The TPS3305-25DGNG4 offers precise voltage monitoring with a threshold of 2.5V.
  • It provides a reset signal when the monitored voltage falls below the threshold.
  • This device operates over a wide temperature range, making it suitable for various applications.

Package

The TPS3305-25DGNG4 comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of the TPS3305-25DGNG4 lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring reliable operation of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage Range: 2.7V to 18V
  • Threshold Voltage: 2.5V
  • Reset Timeout Period: Adjustable
  • Operating Temperature Range: -40°C to +125°C
  • Output Type: Active Low

Pin Configuration

The TPS3305-25DGNG4 has the following pin configuration:

  1. GND (Ground)
  2. MR (Master Reset)
  3. VDD (Supply Voltage)
  4. RESET (Reset Output)
  5. VIT (Voltage Input)

Functional Features

  • Precise voltage monitoring: The TPS3305-25DGNG4 accurately monitors the input voltage and compares it to the threshold voltage.
  • Reset signal generation: When the monitored voltage falls below the threshold, the device generates a reset signal to initiate a system reset.
  • Adjustable timeout period: The reset timeout period can be adjusted to meet specific system requirements.
  • Wide operating temperature range: This device is designed to operate reliably in a wide temperature range, making it suitable for various environments.

Advantages and Disadvantages

Advantages

  • Accurate voltage monitoring ensures stable operation of electronic systems.
  • Adjustable timeout period allows customization for different applications.
  • Wide operating temperature range enables usage in diverse environments.

Disadvantages

  • Limited to voltage monitoring and reset functionality, may not suit all system requirements.
  • Requires additional components for complete system integration.

Working Principles

The TPS3305-25DGNG4 operates by continuously monitoring the input voltage using an internal voltage reference. When the voltage falls below the threshold, the device triggers a reset signal, initiating a system reset. The adjustable timeout period allows flexibility in defining the duration of the reset signal.

Detailed Application Field Plans

The TPS3305-25DGNG4 finds application in various fields, including:

  1. Industrial automation: Ensuring reliable operation of control systems and machinery.
  2. Automotive electronics: Monitoring voltage levels in automotive systems to prevent malfunctions.
  3. Power management: Overseeing power supply voltages in electronic devices to maintain stability.
  4. Telecommunications: Monitoring voltage levels in communication equipment to ensure uninterrupted operation.

Detailed and Complete Alternative Models

  1. TPS3307-33DGNR: Similar to TPS3305-25DGNG4 but with a threshold voltage of 3.3V.
  2. TPS3310-33DGNR: Offers additional features such as adjustable hysteresis and watchdog timer.
  3. TPS3808G01DBVR: Provides undervoltage and overvoltage protection with adjustable thresholds.

These alternative models offer similar functionality to the TPS3305-25DGNG4 but may have different specifications and additional features.

In conclusion, the TPS3305-25DGNG4 is a voltage supervisor that ensures stable operation by monitoring power supply voltages. With its precise voltage monitoring, adjustable timeout period, and wide operating temperature range, it finds application in various fields such as industrial automation, automotive electronics, power management, and telecommunications. While it has certain limitations and requires additional components for integration, alternative models with different specifications are available to suit specific requirements.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TPS3305-25DGNG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TPS3305-25DGNG4 in technical solutions:

  1. Q: What is the TPS3305-25DGNG4? A: The TPS3305-25DGNG4 is a voltage supervisor and reset IC designed for monitoring power supply voltages in various applications.

  2. Q: What is the operating voltage range of TPS3305-25DGNG4? A: The TPS3305-25DGNG4 operates within a voltage range of 2.5V to 6.5V.

  3. Q: What is the purpose of using TPS3305-25DGNG4 in a technical solution? A: TPS3305-25DGNG4 provides accurate monitoring and protection against undervoltage and overvoltage conditions, ensuring reliable operation of the system.

  4. Q: Can TPS3305-25DGNG4 be used in battery-powered applications? A: Yes, TPS3305-25DGNG4 can be used in battery-powered applications as it has a low quiescent current and operates at low voltages.

  5. Q: How many voltage thresholds can TPS3305-25DGNG4 monitor? A: TPS3305-25DGNG4 can monitor two voltage thresholds - an undervoltage threshold (UVLO) and an overvoltage threshold (OVLO).

  6. Q: What is the typical response time of TPS3305-25DGNG4 during an undervoltage or overvoltage event? A: The typical response time of TPS3305-25DGNG4 is around 20µs, ensuring quick detection and response to voltage deviations.

  7. Q: Can TPS3305-25DGNG4 generate a reset signal when a voltage threshold is violated? A: Yes, TPS3305-25DGNG4 can generate an active-low reset signal to initiate system reset or shutdown when a voltage threshold is violated.

  8. Q: Does TPS3305-25DGNG4 have any built-in hysteresis for voltage monitoring? A: Yes, TPS3305-25DGNG4 incorporates built-in hysteresis to prevent false triggering and ensure stable operation during voltage transitions.

  9. Q: Can TPS3305-25DGNG4 be used in automotive applications? A: Yes, TPS3305-25DGNG4 is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

  10. Q: What package options are available for TPS3305-25DGNG4? A: TPS3305-25DGNG4 is available in a 8-pin VSSOP (DGK) package, which is compact and suitable for space-constrained designs.

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