Monolithic Power Systems Inc.
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MPQ2143DJ-LF-P
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MPQ2143DJ-LF-P

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low power consumption - Compact size - Wide operating voltage range

Package: Dual-In-Line Package (DIP)

Essence: This IC is designed to provide efficient power management solutions for various electronic devices.

Packaging/Quantity: The MPQ2143DJ-LF-P is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.7V - 5.5V
  • Output Voltage Range: 0.6V - 3.3V
  • Maximum Output Current: 1.5A
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MPQ2143DJ-LF-P has a total of 8 pins, which are labeled as follows:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. EN (Enable)
  4. FB (Feedback)
  5. SW (Switch)
  6. VOUT (Output Voltage)
  7. PG (Power Good)
  8. NC (No Connection)

Functional Features

  • High efficiency power conversion
  • Overcurrent protection
  • Thermal shutdown protection
  • Under-voltage lockout
  • Soft-start function

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for easy integration into various applications - Wide operating voltage range provides flexibility in different power supply scenarios

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

Working Principles

The MPQ2143DJ-LF-P operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage and maintain high efficiency.

Detailed Application Field Plans

The MPQ2143DJ-LF-P is commonly used in various electronic devices that require efficient power management, such as: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Alternative Models

  1. MPQ2142DJ-LF-P: Similar specifications and features, but with a lower maximum output current of 1A.
  2. MPQ2144DJ-LF-P: Similar specifications and features, but with a higher maximum output current of 2A.
  3. MPQ2145DJ-LF-P: Similar specifications and features, but with a higher maximum output current of 3A.

These alternative models provide options for different power requirements in various applications.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MPQ2143DJ-LF-P i tekniske løsninger

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

  1. Question: What is the MPQ2143DJ-LF-P?
    Answer: The MPQ2143DJ-LF-P is a power management integrated circuit (PMIC) that provides multiple voltage outputs for various applications.

  2. Question: What are the key features of the MPQ2143DJ-LF-P?
    Answer: The key features include multiple voltage outputs, high efficiency, low quiescent current, overcurrent protection, thermal shutdown, and a wide input voltage range.

  3. Question: What are the typical applications of the MPQ2143DJ-LF-P?
    Answer: The MPQ2143DJ-LF-P is commonly used in battery-powered devices, portable electronics, industrial equipment, and automotive systems.

  4. Question: How many voltage outputs does the MPQ2143DJ-LF-P provide?
    Answer: The MPQ2143DJ-LF-P provides four voltage outputs, which can be configured to meet the specific requirements of the application.

  5. Question: What is the input voltage range supported by the MPQ2143DJ-LF-P?
    Answer: The MPQ2143DJ-LF-P supports an input voltage range from 2.7V to 5.5V, making it compatible with a wide range of power sources.

  6. Question: Does the MPQ2143DJ-LF-P have overcurrent protection?
    Answer: Yes, the MPQ2143DJ-LF-P has built-in overcurrent protection to safeguard the connected components from excessive current.

  7. Question: Can the MPQ2143DJ-LF-P operate in high-temperature environments?
    Answer: Yes, the MPQ2143DJ-LF-P has a thermal shutdown feature that protects it from overheating, allowing it to operate in high-temperature environments.

  8. Question: What is the efficiency of the MPQ2143DJ-LF-P?
    Answer: The MPQ2143DJ-LF-P has a high efficiency rating, typically above 90%, which helps to minimize power loss and maximize battery life.

  9. Question: Is the MPQ2143DJ-LF-P suitable for automotive applications?
    Answer: Yes, the MPQ2143DJ-LF-P is designed to meet the requirements of automotive systems, making it suitable for use in vehicles.

  10. Question: Can I customize the voltage outputs of the MPQ2143DJ-LF-P?
    Answer: Yes, the MPQ2143DJ-LF-P allows for flexible configuration of the voltage outputs to match the specific needs of your application.