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UCC2626DW
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UCC2626DW

Product Overview

Category

UCC2626DW belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

  • UCC2626DW is a high-performance, synchronous buck controller.
  • It offers excellent efficiency and regulation for various power supply designs.
  • The device operates at a wide input voltage range, making it suitable for diverse applications.
  • It provides advanced protection features to ensure safe operation.

Package

UCC2626DW is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of UCC2626DW lies in its ability to efficiently control and regulate power in various applications.

Packaging/Quantity

UCC2626DW is typically sold in reels or tubes containing a specific quantity of ICs, such as 250 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 15V
  • Output Voltage Range: 0.8V to VIN
  • Switching Frequency: Up to 1MHz
  • Maximum Duty Cycle: 90%
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground reference
  3. FB: Feedback voltage input
  4. COMP: Compensation pin for loop stability
  5. SS/TR: Soft-start and tracking control
  6. RT/CT: Timing components connection
  7. SYNC: Synchronization input
  8. EN: Enable pin for device operation
  9. PGND: Power ground reference
  10. BOOT: High-side gate driver bootstrap supply
  11. HO: High-side gate driver output
  12. LO: Low-side gate driver output
  13. SW: Switch node connection
  14. CS: Current sense input
  15. SS/TR: Soft-start and tracking control
  16. VREF: Reference voltage output

Functional Features

  • High-efficiency synchronous buck controller
  • Wide input voltage range for versatile applications
  • Advanced protection features including overvoltage, undervoltage, and overcurrent protection
  • Adjustable soft-start and tracking control for smooth power-up
  • Synchronization capability for multi-phase operation
  • Accurate current sensing for precise regulation

Advantages and Disadvantages

Advantages

  • High efficiency and regulation
  • Wide input voltage range
  • Advanced protection features ensure safe operation
  • Adjustable soft-start and tracking control
  • Synchronization capability for multi-phase operation

Disadvantages

  • Limited maximum duty cycle of 90%
  • Requires external timing components for operation

Working Principles

UCC2626DW operates as a synchronous buck controller by regulating the output voltage based on the feedback received from the FB pin. It utilizes a high-side and low-side gate driver to control the switching of the power MOSFETs connected to the SW pin. The device adjusts the duty cycle of the switching waveform to maintain the desired output voltage. Advanced protection features ensure the safety of the system during abnormal conditions.

Detailed Application Field Plans

UCC2626DW finds application in various power management systems, including but not limited to: - DC-DC converters - Voltage regulators - Power supplies for industrial equipment - Automotive electronics - Telecommunications infrastructure

Detailed and Complete Alternative Models

  1. UCC2625DW
  2. UCC2627DW
  3. UCC2628DW
  4. UCC2629DW

These alternative models offer similar functionality and characteristics to UCC2626DW, providing flexibility in design choices.

In conclusion, UCC2626DW is a high-performance synchronous buck controller that offers excellent efficiency, regulation, and advanced protection features. Its wide input voltage range and adjustable control options make it suitable for various power management applications. However, it has limitations such as a maximum duty cycle of 90% and the need for external timing components. Nonetheless, UCC2626DW serves as a reliable solution in power supply designs across different industries.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням UCC2626DW у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of UCC2626DW in technical solutions:

  1. Q: What is UCC2626DW? A: UCC2626DW is a specific model number for a power management integrated circuit (IC) developed by Texas Instruments.

  2. Q: What are the key features of UCC2626DW? A: UCC2626DW is a synchronous buck controller IC that offers features like adjustable output voltage, high efficiency, and protection mechanisms.

  3. Q: How does UCC2626DW help in power management? A: UCC2626DW provides control and regulation of the power supply, ensuring efficient conversion of input voltage to the desired output voltage.

  4. Q: Can UCC2626DW be used in battery-powered applications? A: Yes, UCC2626DW can be used in battery-powered applications as it supports a wide input voltage range and has low quiescent current.

  5. Q: What is the maximum output current supported by UCC2626DW? A: The maximum output current supported by UCC2626DW depends on the external components used but typically ranges from a few amps to tens of amps.

  6. Q: Does UCC2626DW have built-in protection features? A: Yes, UCC2626DW incorporates various protection features like overvoltage protection, undervoltage lockout, and thermal shutdown to safeguard the system.

  7. Q: Can UCC2626DW operate in a wide temperature range? A: Yes, UCC2626DW is designed to operate reliably in a wide temperature range, typically from -40°C to +125°C.

  8. Q: Is UCC2626DW suitable for high-frequency switching applications? A: Yes, UCC2626DW is designed to support high-frequency switching applications, making it suitable for various power supply designs.

  9. Q: What type of control method does UCC2626DW use? A: UCC2626DW uses voltage mode control, which provides stable and accurate regulation of the output voltage.

  10. Q: Are there any application notes or reference designs available for UCC2626DW? A: Yes, Texas Instruments provides application notes, reference designs, and evaluation modules that can help in implementing UCC2626DW in different technical solutions.

Please note that the answers provided here are general and may vary depending on specific design requirements and application scenarios. It is always recommended to refer to the datasheet and relevant documentation for detailed information.