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UCC28713D
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UCC28713D - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low standby power consumption - Wide input voltage range - Integrated protection features

Package: SOIC-8

Essence: The UCC28713D is a power management IC designed for efficient energy conversion and power delivery in various applications.

Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 30V
  • Output Voltage Range: 3.3V to 24V
  • Switching Frequency: Up to 100 kHz
  • Maximum Output Current: 1A
  • Standby Power Consumption: Less than 10mW
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The UCC28713D has the following pin configuration:

  1. VDD: Power supply input for the IC.
  2. GND: Ground reference for the IC.
  3. FB: Feedback pin for voltage regulation.
  4. COMP: Compensation pin for stability control.
  5. CS: Current sense pin for current regulation.
  6. EN/UVLO: Enable/Undervoltage lockout pin.
  7. VIN: Input voltage pin.
  8. SW: Switching node pin for power transfer.

Functional Features

  • High Efficiency: The UCC28713D utilizes advanced control techniques to achieve high efficiency power conversion, reducing energy losses and improving overall system performance.
  • Low Standby Power Consumption: With its low standby power consumption, the UCC28713D helps minimize wasted energy during idle or low-load conditions.
  • Wide Input Voltage Range: The IC can operate over a wide input voltage range, making it suitable for various power supply applications.
  • Integrated Protection Features: The UCC28713D incorporates built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown, ensuring safe and reliable operation.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low standby power consumption - Wide input voltage range - Integrated protection features

Disadvantages: - Limited maximum output current (1A)

Working Principles

The UCC28713D operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the switching transistor. The feedback pin (FB) monitors the output voltage and provides a control signal to the IC, which adjusts the duty cycle accordingly. This control mechanism ensures stable and accurate voltage regulation.

Detailed Application Field Plans

The UCC28713D is widely used in various applications, including but not limited to: - Power adapters - Battery chargers - LED lighting systems - Industrial power supplies - IoT devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the UCC28713D are: - UCC28711D - UCC28712D - UCC28714D - UCC28715D

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

In conclusion, the UCC28713D is a highly efficient power management IC with low standby power consumption, wide input voltage range, and integrated protection features. Its compact SOIC-8 package makes it suitable for various applications. With its advanced control techniques and reliable performance, the UCC28713D is an excellent choice for power conversion and delivery requirements.

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af UCC28713D i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of UCC28713D in technical solutions:

  1. Q: What is UCC28713D? A: UCC28713D is a highly integrated primary-side regulated (PSR) flyback controller designed for offline AC/DC power supplies.

  2. Q: What are the key features of UCC28713D? A: The key features of UCC28713D include primary-side regulation, constant voltage/constant current control, high efficiency, low standby power consumption, and comprehensive protection features.

  3. Q: How does UCC28713D achieve primary-side regulation? A: UCC28713D uses a proprietary control algorithm that senses the output voltage directly from the primary side, eliminating the need for an optocoupler or secondary-side feedback circuitry.

  4. Q: What is the maximum output power that UCC28713D can handle? A: UCC28713D can handle output power up to 25W, making it suitable for a wide range of applications such as adapters, chargers, and auxiliary power supplies.

  5. Q: Can UCC28713D support both constant voltage and constant current modes? A: Yes, UCC28713D supports both constant voltage (CV) and constant current (CC) control modes, making it versatile for various load types.

  6. Q: Does UCC28713D have built-in protection features? A: Yes, UCC28713D incorporates comprehensive protection features including overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.

  7. Q: What is the standby power consumption of UCC28713D? A: UCC28713D has ultra-low standby power consumption, typically less than 30mW, which helps meet energy efficiency standards.

  8. Q: Can UCC28713D operate in a wide input voltage range? A: Yes, UCC28713D can operate in a wide input voltage range of 85V to 265V AC, making it suitable for global applications.

  9. Q: Does UCC28713D require an external MOSFET? A: Yes, UCC28713D requires an external MOSFET to handle the switching operation and power delivery.

  10. Q: Are there any evaluation boards or reference designs available for UCC28713D? A: Yes, Texas Instruments provides evaluation boards and reference designs for UCC28713D, which can help accelerate the development process and provide design guidance.

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