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EC7401QI
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EC7401QI

Product Overview

Category: Power Management IC
Use: Voltage Regulator
Characteristics: High Efficiency, Low Noise
Package: QFN-32
Essence: Integrated Synchronous Buck Converter
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.6V to 5.5V
  • Maximum Output Current: 4A
  • Switching Frequency: 1MHz
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The EC7401QI features a QFN-32 package with the following pin configuration:

  1. VIN: Input Voltage
  2. PGND: Power Ground
  3. SW: Switch Node
  4. BOOT: Bootstrap Capacitor Connection
  5. VCC: Control Circuit Supply Voltage
  6. FB: Feedback Voltage
  7. EN: Enable Pin
  8. SS/TR: Soft-Start/Tracking Pin
  9. COMP: Compensation Pin
  10. AGND: Analog Ground
  11. PGND: Power Ground
  12. PGND: Power Ground
  13. PGND: Power Ground
  14. PGND: Power Ground
  15. PGND: Power Ground
  16. PGND: Power Ground
  17. PGND: Power Ground
  18. PGND: Power Ground
  19. PGND: Power Ground
  20. PGND: Power Ground
  21. PGND: Power Ground
  22. PGND: Power Ground
  23. PGND: Power Ground
  24. PGND: Power Ground
  25. PGND: Power Ground
  26. PGND: Power Ground
  27. PGND: Power Ground
  28. PGND: Power Ground
  29. PGND: Power Ground
  30. PGND: Power Ground
  31. PGND: Power Ground
  32. PGND: Power Ground

Functional Features

  • Integrated synchronous buck converter for high efficiency power conversion.
  • Wide input voltage range allows for versatile applications.
  • Adjustable output voltage to meet specific requirements.
  • Low noise operation for sensitive electronic devices.
  • Overcurrent and overtemperature protection for enhanced reliability.
  • Soft-start and tracking functionality for controlled startup.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Compact package size enables space-saving designs. - Wide input voltage range provides flexibility in various applications. - Low noise operation ensures optimal performance of connected devices. - Comprehensive protection features enhance system reliability.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Higher cost compared to non-integrated voltage regulators. - Requires careful thermal management due to the compact package size.

Working Principles

The EC7401QI is a synchronous buck converter that utilizes pulse-width modulation (PWM) to regulate the output voltage. It operates by switching the input voltage through an inductor and controlling the duty cycle of the switch to maintain the desired output voltage. The integrated control circuitry ensures efficient power conversion while providing protection against overcurrent and overtemperature conditions.

Detailed Application Field Plans

The EC7401QI is suitable for a wide range of applications, including but not limited to:

  1. Portable electronic devices such as smartphones and tablets.
  2. Industrial automation systems.
  3. Automotive electronics.
  4. Telecommunications equipment.
  5. Power supplies for computer peripherals.
  6. LED lighting systems.
  7. Battery-powered devices.

Detailed and Complete Alternative Models

  1. EC7402QI: Similar specifications with higher maximum output current (6A).
  2. EC7403QI: Similar specifications with lower maximum output current (2A).
  3. EC7404QI: Similar specifications with adjustable switching frequency.
  4. EC7405QI: Similar specifications with wider input voltage range (2.7V to 18V).

These alternative models provide options for different power requirements and specific application needs.

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10個與EC7401QI在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of EC7401QI in technical solutions:

1. What is EC7401QI? EC7401QI is a high-performance, synchronous buck converter integrated circuit (IC) that provides efficient power conversion for various applications.

2. What is the input voltage range of EC7401QI? The input voltage range of EC7401QI is typically between 4.5V and 18V.

3. What is the output voltage range of EC7401QI? The output voltage range of EC7401QI can be adjusted from 0.6V to 5.5V using external resistors.

4. What is the maximum output current of EC7401QI? EC7401QI can deliver a maximum output current of up to 4A.

5. Is EC7401QI suitable for battery-powered applications? Yes, EC7401QI is suitable for battery-powered applications as it offers high efficiency and low quiescent current, helping to extend battery life.

6. Can EC7401QI operate in a wide temperature range? Yes, EC7401QI is designed to operate reliably in a wide temperature range, typically from -40°C to 85°C.

7. Does EC7401QI have built-in protection features? Yes, EC7401QI incorporates various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation.

8. Can EC7401QI be used in automotive applications? Yes, EC7401QI meets the requirements for automotive applications, including AEC-Q100 Grade 1 qualification.

9. What control methods does EC7401QI support? EC7401QI supports both voltage mode control and current mode control, providing flexibility in different applications.

10. Is EC7401QI easy to use in technical solutions? Yes, EC7401QI is designed for ease of use with a simple external component count and a small form factor, making it suitable for various technical solutions.

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