Monolithic Power Systems Inc.
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MP4689AGN

MP4689AGN

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: QFN (Quad Flat No-leads) package
  • Essence: Power management IC for various applications
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to 3.3V
  • Maximum Output Current: 1.5A
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP4689AGN has a total of 16 pins arranged as follows:

  1. VIN: Input voltage pin
  2. EN: Enable pin
  3. PGND: Power ground pin
  4. SW: Switching node pin
  5. FB: Feedback pin
  6. SS: Soft-start pin
  7. AGND: Analog ground pin
  8. VCC: Supply voltage pin
  9. LX: Inductor connection pin
  10. BST: Bootstrap capacitor pin
  11. COMP: Compensation pin
  12. PG: Power good indicator pin
  13. ILIM: Current limit setting pin
  14. VOUT: Output voltage pin
  15. PGND: Power ground pin
  16. VIN: Input voltage pin

Functional Features

  • Integrated synchronous step-down converter
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function for controlled startup
  • Power good indicator for output voltage monitoring

Advantages and Disadvantages

Advantages

  • High efficiency conversion
  • Compact size for space-constrained applications
  • Low power consumption
  • Wide input voltage range for versatility

Disadvantages

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

Working Principles

The MP4689AGN is a synchronous step-down converter that efficiently converts input voltage to a lower output voltage. It utilizes a high-frequency switching technique to minimize power losses and maximize efficiency. The integrated control circuitry ensures stable and regulated output voltage, while the protection features safeguard against overcurrent and thermal issues.

Detailed Application Field Plans

The MP4689AGN is widely used in various applications requiring power management. Some of the common application fields include:

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

Detailed and Complete Alternative Models

  1. MP4689BGN: Similar specifications with enhanced thermal performance
  2. MP4689CGN: Higher maximum output current (2A) with slightly larger package size
  3. MP4689DGN: Lower input voltage range (1.8V to 5.5V) for specific applications

These alternative models provide options based on specific requirements and can be considered as alternatives to the MP4689AGN.

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技術ソリューションにおける MP4689AGN 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 MP4689AGN in technical solutions:

  1. Q: What is MP4689AGN? A: MP4689AGN is a specific model of integrated circuit (IC) used for power management in various technical solutions.

  2. Q: What are the key features of MP4689AGN? A: The key features of MP4689AGN include high efficiency, wide input voltage range, adjustable output voltage, and overcurrent protection.

  3. Q: In which technical solutions can MP4689AGN be used? A: MP4689AGN can be used in a wide range of applications such as portable devices, industrial equipment, automotive systems, and consumer electronics.

  4. Q: How does MP4689AGN help in power management? A: MP4689AGN efficiently regulates and controls the power supply, ensuring stable and reliable operation of the connected devices or systems.

  5. Q: Can MP4689AGN handle different input voltages? A: Yes, MP4689AGN has a wide input voltage range, typically from 2.7V to 18V, making it suitable for various power sources.

  6. Q: Is the output voltage of MP4689AGN adjustable? A: Yes, MP4689AGN allows for adjustable output voltage through external resistors, providing flexibility in meeting specific requirements.

  7. Q: Does MP4689AGN offer any protection features? A: Yes, MP4689AGN incorporates overcurrent protection, which safeguards the connected devices from excessive current flow.

  8. Q: Can MP4689AGN operate in harsh environments? A: Yes, MP4689AGN is designed to withstand harsh operating conditions, making it suitable for use in industrial and automotive applications.

  9. Q: Are there any application notes or reference designs available for MP4689AGN? A: Yes, the manufacturer of MP4689AGN provides application notes and reference designs to assist engineers in implementing the IC effectively.

  10. Q: Where can I purchase MP4689AGN? A: MP4689AGN can be purchased from authorized distributors or directly from the manufacturer's website.