Monolithic Power Systems Inc.
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MPQ3387LGRT-Z

MPQ3387LGRT-Z

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range - Multiple protection features

Package: LGRT-Z package

Essence: MPQ3387LGRT-Z is a power management integrated circuit designed for various applications requiring efficient power conversion and management.

Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 3A
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MPQ3387LGRT-Z has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. SW: Switching pin
  6. PG: Power Good pin
  7. VOUT: Output voltage pin

Functional Features

  • High efficiency synchronous buck converter
  • Adjustable output voltage through external resistors
  • Overcurrent protection
  • Thermal shutdown protection
  • Under-voltage lockout protection
  • Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power loss - Wide input voltage range allows for versatile applications - Compact size enables space-saving designs - Multiple protection features ensure safe operation

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Operating temperature range may restrict usage in extreme environments

Working Principles

The MPQ3387LGRT-Z is based on a synchronous buck converter topology. It efficiently converts the input voltage to the desired output voltage using high-frequency switching. The integrated circuit regulates the output voltage by adjusting the duty cycle of the switching signal. Various protection features ensure safe operation and prevent damage to the circuit and connected devices.

Detailed Application Field Plans

The MPQ3387LGRT-Z is widely used in various applications, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - LED lighting

Detailed and Complete Alternative Models

  1. MPQ3399LGRT-Z: Similar power management IC with higher maximum output current (5A)
  2. MPQ3366LGRT-Z: Similar power management IC with lower maximum output current (2A)
  3. MPQ3322LGRT-Z: Similar power management IC with lower input voltage range (2.7V to 18V)

These alternative models provide options for different power requirements and specifications, allowing designers to choose the most suitable solution for their specific application needs.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением MPQ3387LGRT-Z в технических решениях.

Sure! Here are 10 common questions and answers related to the application of MPQ3387LGRT-Z in technical solutions:

  1. Question: What is the MPQ3387LGRT-Z?
    Answer: The MPQ3387LGRT-Z is a power management integrated circuit (PMIC) designed for use in various technical solutions.

  2. Question: What are the key features of the MPQ3387LGRT-Z?
    Answer: The MPQ3387LGRT-Z features multiple voltage regulators, power switches, and other functions necessary for efficient power management in electronic systems.

  3. Question: What is the input voltage range supported by the MPQ3387LGRT-Z?
    Answer: The MPQ3387LGRT-Z supports an input voltage range of typically 2.7V to 5.5V.

  4. Question: How many voltage regulators are included in the MPQ3387LGRT-Z?
    Answer: The MPQ3387LGRT-Z includes four voltage regulators, each capable of supplying different output voltages.

  5. Question: Can the MPQ3387LGRT-Z be used in battery-powered applications?
    Answer: Yes, the MPQ3387LGRT-Z is suitable for battery-powered applications as it supports a wide input voltage range and offers efficient power management capabilities.

  6. Question: What is the maximum output current provided by the MPQ3387LGRT-Z?
    Answer: The MPQ3387LGRT-Z can provide a maximum output current of up to 1.5A per regulator.

  7. Question: Does the MPQ3387LGRT-Z have any built-in protection features?
    Answer: Yes, the MPQ3387LGRT-Z includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  8. Question: Can the MPQ3387LGRT-Z be used in automotive applications?
    Answer: Yes, the MPQ3387LGRT-Z is designed to meet automotive-grade requirements and can be used in automotive applications.

  9. Question: What is the operating temperature range of the MPQ3387LGRT-Z?
    Answer: The MPQ3387LGRT-Z has an operating temperature range of typically -40°C to +85°C.

  10. Question: Is there any evaluation board or reference design available for the MPQ3387LGRT-Z?
    Answer: Yes, Monolithic Power Systems (MPS) provides an evaluation board and reference design for the MPQ3387LGRT-Z, which can help in the development and testing of technical solutions.

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