Monolithic Power Systems Inc.
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MPQ2143DJ-P
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MPQ2143DJ-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: DIP-8 (Dual In-Line Package)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Voltage Range: 1.25V to 37V
  • Output Current: Up to 1.5A
  • Quiescent Current: 2.5mA
  • Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MPQ2143DJ-P has a total of 8 pins arranged as follows:

  1. VIN: Input Voltage
  2. GND: Ground
  3. FB: Feedback Pin
  4. EN: Enable Pin
  5. SW: Switching Node
  6. NC: No Connection
  7. NC: No Connection
  8. VOUT: Output Voltage

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High efficiency ensures minimal power loss.
  • Low quiescent current enables energy-saving operation.
  • Built-in protection features such as overcurrent and thermal shutdown.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range provides flexibility in various applications. - Compact package size allows for space-saving designs. - Built-in protection features enhance reliability.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Requires external components for proper operation.

Working Principles

The MPQ2143DJ-P is a voltage regulator IC that utilizes a switching regulator topology. It operates by converting the input voltage to a regulated output voltage using high-frequency switching techniques. The feedback mechanism ensures the output voltage remains stable and within the desired range.

Detailed Application Field Plans

The MPQ2143DJ-P is commonly used in various applications, including but not limited to:

  1. Power supplies for industrial equipment.
  2. Automotive electronics.
  3. Battery-powered devices.
  4. LED lighting systems.
  5. Telecom infrastructure.

Detailed and Complete Alternative Models

  • MPQ2142DJ-P: Similar specifications with lower output current capability.
  • MPQ2144DJ-P: Similar specifications with higher output current capability.
  • MPQ2145DJ-P: Similar specifications with adjustable output voltage.

These alternative models provide options based on specific requirements and desired performance characteristics.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением MPQ2143DJ-P в технических решениях.

Sure! Here are 10 common questions and answers related to the application of MPQ2143DJ-P in technical solutions:

  1. Question: What is the MPQ2143DJ-P?
    Answer: The MPQ2143DJ-P is a power management integrated circuit (PMIC) designed for use in various technical solutions.

  2. Question: What are the key features of the MPQ2143DJ-P?
    Answer: The MPQ2143DJ-P features multiple voltage regulators, power switches, and protection circuits, making it suitable for a wide range of applications.

  3. Question: What is the input voltage range supported by the MPQ2143DJ-P?
    Answer: The MPQ2143DJ-P supports an input voltage range of typically 2.7V to 5.5V.

  4. Question: How many voltage regulators are there in the MPQ2143DJ-P?
    Answer: The MPQ2143DJ-P has three voltage regulators: one buck-boost regulator and two low-dropout (LDO) regulators.

  5. Question: What is the output current capability of the MPQ2143DJ-P?
    Answer: The MPQ2143DJ-P can provide up to 500mA of output current.

  6. Question: Can the MPQ2143DJ-P be used in battery-powered applications?
    Answer: Yes, the MPQ2143DJ-P is suitable for battery-powered applications due to its low quiescent current and efficient power conversion.

  7. Question: Does the MPQ2143DJ-P have any built-in protection features?
    Answer: Yes, the MPQ2143DJ-P includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation.

  8. Question: What is the operating temperature range of the MPQ2143DJ-P?
    Answer: The MPQ2143DJ-P can operate within a temperature range of -40°C to +85°C.

  9. Question: Can the MPQ2143DJ-P be used in automotive applications?
    Answer: Yes, the MPQ2143DJ-P is AEC-Q100 qualified, making it suitable for automotive applications.

  10. Question: Are there any evaluation boards or reference designs available for the MPQ2143DJ-P?
    Answer: Yes, the manufacturer provides evaluation boards and reference designs to help users quickly prototype and implement the MPQ2143DJ-P in their technical solutions.

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