Monolithic Power Systems Inc.
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MP4423GQ-Z
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MP4423GQ-Z

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, 3000 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to 5.5V
  • Maximum Output Current: 1.5A
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP4423GQ-Z has the following pin configuration:

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

Functional Features

  • High Efficiency: The MP4423GQ-Z offers high efficiency power conversion, minimizing energy loss.
  • Low Power Consumption: It consumes low power during operation, reducing overall power consumption.
  • 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 between 0.6V and 5.5V, accommodating different 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 MP4423GQ-Z is a voltage regulator that converts the input voltage to a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency power conversion. The integrated circuit controls the switching frequency and duty cycle to maintain a stable output voltage, even with varying input voltages.

Detailed Application Field Plans

The MP4423GQ-Z is commonly used in various applications, including:

  1. Portable Electronic Devices: It can be used to regulate power supply for smartphones, tablets, and portable gaming devices.
  2. IoT (Internet of Things) Devices: It is suitable for powering sensors, wireless modules, and other low-power IoT devices.
  3. Battery-Powered Systems: It can efficiently manage power in battery-powered systems such as wearables, remote controls, and medical devices.

Detailed and Complete Alternative Models

  • MP4460GQ-Z: Similar voltage regulator with higher maximum output current (2A)
  • MP4410GQ-Z: Similar voltage regulator with lower maximum output current (1A)
  • MP4435GQ-Z: Similar voltage regulator with adjustable output voltage range (0.6V to 3.3V)

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list of alternatives.

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10个与MP4423GQ-Z在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of MP4423GQ-Z in technical solutions:

  1. Question: What is the input voltage range for MP4423GQ-Z?
    Answer: The input voltage range for MP4423GQ-Z is typically between 4.5V and 36V.

  2. Question: What is the maximum output current that MP4423GQ-Z can handle?
    Answer: MP4423GQ-Z can handle a maximum output current of up to 3A.

  3. Question: Can MP4423GQ-Z be used in both step-up and step-down applications?
    Answer: Yes, MP4423GQ-Z is a versatile DC-DC converter that can be used in both step-up (boost) and step-down (buck) applications.

  4. Question: What is the efficiency of MP4423GQ-Z?
    Answer: MP4423GQ-Z has a high efficiency rating, typically above 90%.

  5. Question: Does MP4423GQ-Z have built-in over-current protection?
    Answer: Yes, MP4423GQ-Z features over-current protection to safeguard against excessive current draw.

  6. Question: Can MP4423GQ-Z operate in a wide temperature range?
    Answer: Yes, MP4423GQ-Z is designed to operate reliably in a wide temperature range, typically from -40°C to 85°C.

  7. Question: Is MP4423GQ-Z suitable for automotive applications?
    Answer: Yes, MP4423GQ-Z is AEC-Q100 qualified, making it suitable for automotive applications.

  8. Question: Can MP4423GQ-Z be synchronized with an external clock signal?
    Answer: Yes, MP4423GQ-Z supports external synchronization to enable precise timing control.

  9. Question: Does MP4423GQ-Z have a soft-start feature?
    Answer: Yes, MP4423GQ-Z incorporates a soft-start function to minimize inrush current during startup.

  10. Question: What is the typical switching frequency of MP4423GQ-Z?
    Answer: The typical switching frequency of MP4423GQ-Z is around 1.2MHz, but it can be adjusted using an external resistor or clock signal.

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