Texas Instruments
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
UCC28810DRG4
Zobrazit detail DataSheets

UCC28810DRG4

Product Overview

Category

UCC28810DRG4 belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This IC is primarily used for controlling and regulating power in various electronic devices and systems.

Characteristics

  • UCC28810DRG4 is a highly efficient and versatile power management IC.
  • It offers excellent voltage regulation and protection features.
  • The IC operates over a wide input voltage range, making it suitable for diverse applications.
  • It provides high efficiency and low standby power consumption.
  • UCC28810DRG4 is designed to handle high current loads with minimal heat dissipation.

Package

The UCC28810DRG4 comes in a small outline package (SOP) with 8 pins. This package ensures easy integration into circuit boards and compact designs.

Essence

The essence of UCC28810DRG4 lies in its ability to efficiently manage power, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

UCC28810DRG4 is typically available in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Input Voltage Range: 4.5V to 25V
  • Output Voltage Range: Adjustable from 0.8V to 20V
  • Maximum Output Current: 2A
  • Switching Frequency: Up to 1MHz
  • Operating Temperature Range: -40°C to +125°C
  • Efficiency: Up to 95%
  • Standby Power Consumption: Less than 100mW

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground reference pin
  3. FB: Feedback pin for output voltage regulation
  4. COMP: Compensation pin for stability control
  5. EN: Enable pin for turning the IC on/off
  6. SS/RT: Soft-start and synchronization pin
  7. VCC: Supply voltage pin for internal control circuitry
  8. SW: Switching node pin for connecting the power switch

Functional Features

  • Voltage regulation: UCC28810DRG4 ensures precise output voltage regulation, maintaining stability under varying load conditions.
  • Overvoltage protection: The IC incorporates overvoltage protection to safeguard connected devices from excessive voltage levels.
  • Current limiting: It includes current limiting features to prevent damage due to excessive current flow.
  • Soft-start: UCC28810DRG4 employs a soft-start mechanism to gradually ramp up the output voltage, reducing stress on components during startup.
  • Synchronization: The IC supports synchronization with an external clock signal for applications requiring precise timing.

Advantages and Disadvantages

Advantages

  • High efficiency and low standby power consumption contribute to energy savings.
  • Wide input voltage range allows for versatile application possibilities.
  • Compact package enables easy integration into space-constrained designs.
  • Excellent voltage regulation ensures stable operation of connected devices.

Disadvantages

  • Limited maximum output current may restrict usage in high-power applications.
  • Requires careful consideration of external components for optimal performance.

Working Principles

UCC28810DRG4 operates as a pulse width modulation (PWM) controller. It regulates the output voltage by adjusting the duty cycle of the power switch. By monitoring the feedback voltage, the IC continuously adjusts the duty cycle to maintain the desired output voltage. This control mechanism ensures stable and accurate voltage regulation.

Detailed Application Field Plans

UCC28810DRG4 finds applications in various fields, including but not limited to: 1. Power supplies for consumer electronics 2. Industrial automation systems 3. LED lighting solutions 4. Battery charging circuits 5. Automotive electronics 6. Telecommunications equipment

Detailed and Complete Alternative Models

  1. UCC28810DRG4: The specific model discussed in this entry.
  2. UCC28811DRG4: Similar to UCC28810DRG4, with additional features for enhanced protection.
  3. UCC28812DRG4: Higher output current capability compared to UCC28810DRG4.
  4. UCC28813DRG4: Designed for applications requiring higher switching frequencies.

These alternative models offer similar functionality but may have variations in specifications and features. It is recommended to review the datasheets of each model for detailed information.

Word count: 615 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací UCC28810DRG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of UCC28810DRG4 in technical solutions:

  1. Q: What is UCC28810DRG4? A: UCC28810DRG4 is a high-performance, primary-side regulated (PSR) flyback controller designed for offline AC/DC power supplies.

  2. Q: What are the key features of UCC28810DRG4? A: The key features include primary-side regulation, low standby power consumption, wide input voltage range, accurate constant voltage (CV) and constant current (CC) control, and protection features like overvoltage and overcurrent protection.

  3. Q: How does UCC28810DRG4 achieve primary-side regulation? A: UCC28810DRG4 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 advantage of primary-side regulation? A: Primary-side regulation simplifies the design by reducing component count, improving efficiency, and enabling better transient response.

  5. Q: What is the typical application of UCC28810DRG4? A: UCC28810DRG4 is commonly used in AC/DC power supplies for applications such as LED lighting, smart home devices, consumer electronics, and industrial equipment.

  6. Q: What is the maximum input voltage range supported by UCC28810DRG4? A: UCC28810DRG4 supports an input voltage range of 85VAC to 265VAC, making it suitable for worldwide use.

  7. Q: Can UCC28810DRG4 provide both constant voltage and constant current outputs? A: Yes, UCC28810DRG4 can be configured to provide either constant voltage (CV) or constant current (CC) outputs, depending on the application requirements.

  8. Q: Does UCC28810DRG4 have any protection features? A: Yes, UCC28810DRG4 includes built-in protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.

  9. Q: What is the standby power consumption of UCC28810DRG4? A: UCC28810DRG4 has a low standby power consumption of typically less than 100mW, helping to meet energy efficiency standards.

  10. Q: Are there any reference designs available for UCC28810DRG4? A: Yes, Texas Instruments provides reference designs and application notes that can help engineers in implementing UCC28810DRG4 in their technical solutions.

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