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TPS2047BDG4

TPS2047BDG4

Product Overview

Category

The TPS2047BDG4 belongs to the category of power distribution switches.

Use

It is primarily used for controlling and distributing power in electronic circuits.

Characteristics

  • High efficiency
  • Low quiescent current
  • Overcurrent protection
  • Thermal shutdown protection

Package

The TPS2047BDG4 comes in a small outline package (SOP) with 8 pins.

Essence

The essence of the TPS2047BDG4 lies in its ability to efficiently control and distribute power in electronic circuits while providing protection against overcurrent and thermal shutdown.

Packaging/Quantity

The TPS2047BDG4 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input voltage range: 2.7V to 5.5V
  • Output voltage range: 0V to VIN
  • Maximum continuous current: 500mA
  • Quiescent current: 20µA
  • Operating temperature range: -40°C to 85°C

Pin Configuration

The TPS2047BDG4 has the following pin configuration:

  1. EN (Enable)
  2. IN (Input)
  3. OUT (Output)
  4. GND (Ground)
  5. GND (Ground)
  6. GND (Ground)
  7. GND (Ground)
  8. FLT (Fault)

Functional Features

  • Overcurrent protection: The TPS2047BDG4 monitors the output current and shuts off the switch if it exceeds a certain threshold.
  • Thermal shutdown protection: In case of excessive temperature, the TPS2047BDG4 automatically shuts down to prevent damage.
  • Enable control: The EN pin allows for easy on/off control of the power switch.

Advantages and Disadvantages

Advantages

  • High efficiency ensures minimal power loss.
  • Low quiescent current helps conserve energy.
  • Overcurrent and thermal shutdown protection enhance system reliability.
  • Enable control simplifies power management.

Disadvantages

  • Limited maximum continuous current of 500mA may not be suitable for high-power applications.
  • Operating temperature range of -40°C to 85°C may restrict usage in extreme environments.

Working Principles

The TPS2047BDG4 operates as a power distribution switch by controlling the flow of current from the input to the output. It uses internal circuitry to monitor the output current and temperature. If the current exceeds a certain threshold or the temperature rises above a specified limit, the switch automatically shuts off to protect the circuit components.

Detailed Application Field Plans

The TPS2047BDG4 finds application in various electronic systems, including but not limited to: - Portable devices - Battery-powered equipment - USB charging ports - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TPS2047BDG4 are: - TPS2051BDBVR - TPS2065DGNR - TPS22920YZPR - TPS22922YZPR

These models can be considered based on specific requirements and design constraints.

In conclusion, the TPS2047BDG4 is a power distribution switch with high efficiency, overcurrent and thermal shutdown protection, and enable control. It is commonly used in portable devices, battery-powered equipment, and various other electronic systems. While it has limitations in terms of maximum continuous current and operating temperature range, there are alternative models available to suit different needs.

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng TPS2047BDG4 trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of TPS2047BDG4 in technical solutions:

  1. Q: What is TPS2047BDG4? A: TPS2047BDG4 is a power distribution switch with an integrated current-limiting feature, commonly used in electronic systems.

  2. Q: What is the maximum voltage rating for TPS2047BDG4? A: The maximum voltage rating for TPS2047BDG4 is typically 5.5V.

  3. Q: What is the purpose of using TPS2047BDG4 in a technical solution? A: TPS2047BDG4 is used to control the power supply to various components or subsystems in a system, providing protection against overcurrent and short-circuit conditions.

  4. Q: How does TPS2047BDG4 protect against overcurrent conditions? A: TPS2047BDG4 has an integrated current-limiting feature that monitors the output current and limits it to a safe level when it exceeds a certain threshold.

  5. Q: Can TPS2047BDG4 be used in battery-powered applications? A: Yes, TPS2047BDG4 can be used in battery-powered applications as it has a low quiescent current and supports low-voltage operation.

  6. Q: What is the maximum current rating for TPS2047BDG4? A: The maximum continuous current rating for TPS2047BDG4 is typically around 0.5A.

  7. Q: Does TPS2047BDG4 have thermal shutdown protection? A: Yes, TPS2047BDG4 has built-in thermal shutdown protection that activates when the junction temperature exceeds a certain threshold.

  8. Q: Can TPS2047BDG4 be used in automotive applications? A: Yes, TPS2047BDG4 is suitable for automotive applications as it meets the necessary automotive standards and has a wide operating temperature range.

  9. Q: What is the typical response time of TPS2047BDG4 during overcurrent events? A: The typical response time of TPS2047BDG4 during overcurrent events is in the range of microseconds, ensuring quick protection against faults.

  10. Q: Are there any evaluation boards or reference designs available for TPS2047BDG4? A: Yes, Texas Instruments provides evaluation boards and reference designs for TPS2047BDG4, which can help in the development and testing of applications using this device.

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