Monolithic Power Systems Inc.
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MPQ2128DG-LF-P
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MPQ2128DG-LF-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: DG Package
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Maximum Output Current: 1.5A
  • Switching Frequency: 1.5MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MPQ2128DG-LF-P has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. EN: Enable Pin
  4. FB: Feedback Pin
  5. SW: Switching Node
  6. PGND: Power Ground
  7. VOUT: Output Voltage

Functional Features

  • High Efficiency: The MPQ2128DG-LF-P offers high efficiency power conversion, minimizing energy loss.
  • Low Power Consumption: It consumes low power during operation, making it suitable for battery-powered devices.
  • Wide Input Voltage Range: It can accept input voltages ranging from 2.7V to 5.5V, providing flexibility in various applications.
  • Adjustable Output Voltage: The output voltage can be adjusted from 0.6V to the input voltage (VIN), allowing customization based on specific requirements.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low power consumption - Wide input voltage range - Adjustable output voltage

Disadvantages: - Limited maximum output current (1.5A)

Working Principles

The MPQ2128DG-LF-P is a voltage regulator that utilizes a switching regulator topology. It operates by converting the input voltage to a higher or lower output voltage, depending on the desired application. The switching frequency of 1.5MHz ensures efficient power conversion with minimal energy loss.

Detailed Application Field Plans

The MPQ2128DG-LF-P is commonly used in various applications, including but not limited to: - Portable electronic devices - Battery-powered systems - IoT (Internet of Things) devices - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

  • MPQ2128DG-LF-Z: Similar specifications and features, different package type (LF Package)
  • MPQ2128DG-LF-Q: Similar specifications and features, different packaging/quantity (1000 units per reel)
  • MPQ2128DG-LF-R: Similar specifications and features, different operating temperature range (-40°C to +125°C)

Note: This is not an exhaustive list, and there may be other alternative models available from the manufacturer or other suppliers.

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Énumérez 10 questions et réponses courantes liées à l'application de MPQ2128DG-LF-P dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MPQ2128DG-LF-P in technical solutions:

  1. Question: What is the MPQ2128DG-LF-P?
    Answer: The MPQ2128DG-LF-P is a high-frequency, synchronous, rectified, step-down switch mode converter with built-in power MOSFETs.

  2. Question: What is the input voltage range for the MPQ2128DG-LF-P?
    Answer: The input voltage range is from 4.5V to 18V.

  3. Question: What is the output voltage range for the MPQ2128DG-LF-P?
    Answer: The output voltage range is adjustable from 0.6V to 5.5V.

  4. Question: What is the maximum output current of the MPQ2128DG-LF-P?
    Answer: The maximum output current is 2A.

  5. Question: Does the MPQ2128DG-LF-P have overcurrent protection?
    Answer: Yes, it has cycle-by-cycle current limit protection.

  6. Question: Can the MPQ2128DG-LF-P operate in a wide temperature range?
    Answer: Yes, it can operate in a temperature range from -40°C to +85°C.

  7. Question: Does the MPQ2128DG-LF-P have an enable pin?
    Answer: Yes, it has an enable pin that can be used to turn the device on or off.

  8. Question: Is the MPQ2128DG-LF-P suitable for battery-powered applications?
    Answer: Yes, it is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  9. Question: Can the MPQ2128DG-LF-P be used in automotive applications?
    Answer: Yes, it is AEC-Q100 qualified and suitable for automotive applications.

  10. Question: Does the MPQ2128DG-LF-P have built-in protection features?
    Answer: Yes, it has built-in protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

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