Monolithic Power Systems Inc.
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MP4423GQ-P
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MP4423GQ-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: QFN (Quad Flat No-Lead)
  • Essence: Regulates and controls power supply in electronic devices
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

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

Detailed Pin Configuration

The MP4423GQ-P has the following pin configuration:

  1. EN (Enable): Enable control pin for turning the IC on/off.
  2. VIN (Input Voltage): Power supply input pin.
  3. SW (Switch): Switching node for regulating output voltage.
  4. GND (Ground): Ground reference pin.
  5. FB (Feedback): Feedback pin for setting the desired output voltage.
  6. SS (Soft Start): Soft start control pin for gradual power-up.
  7. PG (Power Good): Power good indicator pin.
  8. VOUT (Output Voltage): Regulated output voltage pin.

Functional Features

  • High efficiency power conversion
  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft start for controlled power-up
  • Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Wide input voltage range provides flexibility in various applications - Overcurrent and thermal shutdown protection enhance reliability - Soft start feature prevents inrush current during startup

Disadvantages: - Limited maximum output current (1.5A) - Operating temperature range may not be suitable for extreme environments

Working Principles

The MP4423GQ-P is a power management IC that regulates and controls the power supply in electronic devices. It operates by converting the input voltage to the desired output voltage with high efficiency. The switching frequency of 1.2MHz ensures smooth operation and minimizes ripple.

The IC incorporates various protection features such as overcurrent and thermal shutdown, which safeguard against excessive load or temperature conditions. The soft start function allows for controlled power-up, preventing sudden surges in current during startup.

Detailed Application Field Plans

The MP4423GQ-P is widely used in various applications, including but not limited to:

  1. Portable electronic devices: Smartphones, tablets, portable media players
  2. IoT (Internet of Things) devices: Wearables, smart home devices
  3. Battery-powered systems: Wireless sensors, remote controls
  4. Automotive electronics: Infotainment systems, lighting control modules
  5. Industrial equipment: Test and measurement instruments, control systems

Detailed and Complete Alternative Models

  1. MP4460GQ-P: Similar power management IC with higher maximum output current (2A).
  2. MP2307DN-LF-Z: Buck converter IC with adjustable output voltage and lower cost.
  3. MP2459GJ-Z: Synchronous step-down converter IC with higher efficiency and wider input voltage range.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MP4423GQ-P in technischen Lösungen auf

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

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

  2. Question: What is the output voltage range of MP4423GQ-P?
    Answer: The output voltage range of MP4423GQ-P can be adjusted from 0.6V to 30V.

  3. Question: What is the maximum output current of MP4423GQ-P?
    Answer: The maximum output current of MP4423GQ-P is 3A.

  4. Question: Does MP4423GQ-P have overcurrent protection?
    Answer: Yes, MP4423GQ-P has built-in overcurrent protection to safeguard against excessive current draw.

  5. Question: Can MP4423GQ-P operate in a wide temperature range?
    Answer: Yes, MP4423GQ-P is designed to operate in a temperature range of -40°C to +85°C.

  6. Question: Does MP4423GQ-P support synchronous rectification?
    Answer: Yes, MP4423GQ-P supports synchronous rectification to improve efficiency.

  7. Question: Is MP4423GQ-P suitable for battery-powered applications?
    Answer: Yes, MP4423GQ-P is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  8. Question: Can MP4423GQ-P be used in automotive applications?
    Answer: Yes, MP4423GQ-P is AEC-Q100 qualified, making it suitable for automotive applications.

  9. Question: Does MP4423GQ-P have adjustable switching frequency?
    Answer: Yes, MP4423GQ-P has an adjustable switching frequency ranging from 100kHz to 1.5MHz.

  10. Question: What is the package type of MP4423GQ-P?
    Answer: MP4423GQ-P is available in a compact QFN-16 (3mm x 3mm) package.

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