Monolithic Power Systems Inc.
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MPQ2451DT-LF-P
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MPQ2451DT-LF-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: QFN (Quad Flat No-Lead)
  • 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 3.3V
  • Maximum Output Current: 1A
  • Quiescent Current: 45µA
  • Switching Frequency: 2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MPQ2451DT-LF-P 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 conversion
  • Low power consumption in standby mode
  • Overcurrent protection
  • Thermal shutdown protection
  • Power good indicator

Advantages and Disadvantages

Advantages

  • High efficiency results in reduced power loss
  • Wide input voltage range allows for versatile applications
  • Compact package size saves board space
  • Power good indicator provides system status information

Disadvantages

  • Limited maximum output current of 1A
  • Operating temperature range may not be suitable for extreme environments

Working Principles

The MPQ2451DT-LF-P is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.6V and 3.3V. It achieves high efficiency by utilizing a synchronous buck converter topology. The IC operates at a switching frequency of 2MHz, allowing for smaller external components and reducing the overall size of the power supply circuit.

Detailed Application Field Plans

The MPQ2451DT-LF-P is commonly used in various applications that require efficient power management. Some of the typical application fields include:

  1. Portable electronic devices
  2. Battery-powered systems
  3. IoT (Internet of Things) devices
  4. Wearable technology
  5. Embedded systems

Detailed and Complete Alternative Models

  • MPQ2452DT-LF-P: Similar specifications with higher maximum output current of 2A
  • MPQ2450DT-LF-P: Similar specifications with lower maximum output current of 500mA
  • MPQ2453DT-LF-P: Similar specifications with adjustable output voltage range

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技術ソリューションにおける MPQ2451DT-LF-P の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of MPQ2451DT-LF-P in technical solutions:

1. What is the MPQ2451DT-LF-P? - The MPQ2451DT-LF-P is a power management integrated circuit (PMIC) designed for use in various technical solutions.

2. What are the key features of the MPQ2451DT-LF-P? - The key features of the MPQ2451DT-LF-P include multiple voltage regulators, power sequencing, fault protection, and high efficiency.

3. What technical solutions can benefit from using the MPQ2451DT-LF-P? - The MPQ2451DT-LF-P can be used in a wide range of applications such as industrial automation, consumer electronics, automotive systems, and more.

4. How many voltage regulators does the MPQ2451DT-LF-P have? - The MPQ2451DT-LF-P has four voltage regulators, which can provide different output voltages as per the requirements of the application.

5. Does the MPQ2451DT-LF-P support power sequencing? - Yes, the MPQ2451DT-LF-P supports power sequencing, allowing for controlled startup and shutdown of different power rails.

6. What kind of fault protection does the MPQ2451DT-LF-P offer? - The MPQ2451DT-LF-P provides overvoltage protection (OVP), undervoltage protection (UVP), overcurrent protection (OCP), and thermal shutdown protection.

7. Can the MPQ2451DT-LF-P operate at high efficiency? - Yes, the MPQ2451DT-LF-P is designed for high efficiency operation, helping to minimize power losses and maximize battery life.

8. What is the input voltage range supported by the MPQ2451DT-LF-P? - The MPQ2451DT-LF-P can operate with an input voltage range of typically 2.7V to 5.5V.

9. Is the MPQ2451DT-LF-P available in different package options? - Yes, the MPQ2451DT-LF-P is available in different package options, such as QFN and DFN, to suit different PCB layout requirements.

10. Are there any evaluation boards or reference designs available for the MPQ2451DT-LF-P? - Yes, the manufacturer provides evaluation boards and reference designs to help users quickly prototype and integrate the MPQ2451DT-LF-P into their technical solutions.

Please note that the answers provided here are general and may vary depending on the specific datasheet and documentation provided by the manufacturer of the MPQ2451DT-LF-P.