UCC28600D - English Editing Encyclopedia Entry

Product Overview

Use

The UCC28600D is primarily used in power supply systems to regulate and control the flow of electrical power. It offers efficient power management solutions for various electronic devices.

Characteristics

High efficiency: The UCC28600D is known for its high efficiency, ensuring minimal power loss during operation.
Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse power supply applications.
Advanced protection features: The IC incorporates various protection mechanisms such as overvoltage protection, overcurrent protection, and thermal shutdown, ensuring safe and reliable operation.
Low standby power consumption: The UCC28600D minimizes power consumption during standby mode, enhancing energy efficiency.

Package and Quantity

The UCC28600D is available in a compact and industry-standard package, such as a 16-pin SOIC (Small Outline Integrated Circuit). It is typically sold in reels or tubes containing multiple units.

Specifications

Input Voltage Range: 85V to 265V AC
Output Voltage Range: Adjustable, depending on application requirements
Maximum Output Power: Up to 100W
Efficiency: Greater than 90%
Operating Temperature Range: -40°C to 125°C
Control Method: Peak Current Mode Control
Switching Frequency: Adjustable, typically ranging from 50kHz to 500kHz

Pin Configuration

The UCC28600D features a 16-pin configuration with the following pin functions:

VDD: Power supply input for the IC.
GND: Ground reference for the IC.
FB: Feedback pin for regulating the output voltage.
COMP: Compensation pin for stability control.
CS: Current sense input for peak current mode control.
SS/UVLO: Soft-start and undervoltage lockout pin.
EN/UVLO: Enable and undervoltage lockout pin.
VREF: Reference voltage output.
RT/CLK: External resistor or clock input for setting the switching frequency.
SYNC: Synchronization input for external clock synchronization.
DLY: Delay time setting pin.
DRV: Gate driver output for driving external power MOSFETs.
VCC: Power supply input for the gate driver.
PGND: Power ground reference for the gate driver.
VDDA: Analog power supply input.
AGND: Analog ground reference.

Functional Features

Peak Current Mode Control: The UCC28600D utilizes peak current mode control to regulate the output voltage, providing excellent transient response and stability.
Soft-Start Function: The soft-start feature ensures a controlled startup of the power supply, preventing excessive inrush currents.
Frequency Foldback: This feature reduces the switching frequency during light load conditions, improving efficiency and reducing power consumption.
Overvoltage Protection (OVP): The IC incorporates OVP circuitry to safeguard against excessive output voltage, protecting connected devices.
Overcurrent Protection (OCP): The UCC28600D includes OCP mechanisms to prevent damage due to excessive output current.
Thermal Shutdown: In case of excessive temperature, the IC activates thermal shutdown to protect itself from overheating.

Advantages and Disadvantages

Advantages

High efficiency leads to reduced power loss and improved energy savings.
Wide input voltage range allows for versatile applications.
Advanced protection features ensure safe and reliable operation.
Compact package size facilitates easy integration into various systems.

Disadvantages

Limited output power compared to some higher-power ICs.
Requires external components for complete power supply implementation.

Working Principles

The UCC28600D operates based on the peak current mode control technique. It regulates the output voltage by sensing the current flowing through the power MOSFET and adjusting the duty cycle of the switching waveform accordingly. This control method provides excellent transient response and stability, making it suitable for various power management applications.

Detailed Application Field Plans

The UCC28600D finds application in a wide range of power supply systems, including but not limited to: - AC/DC adapters - LED lighting drivers - Industrial power supplies - Telecom power systems - Consumer electronics

Alternative Models

For those seeking alternative options, the following integrated circuits can be considered: - UCC28600DR: Similar to UCC28600D, but available in a different package (e.g., 8-pin SOIC). - UCC28600EVM-001: Evaluation module for UCC28600D, providing a convenient platform for testing and development purposes. - UCC28600-Q1: Automotive-grade version of UCC286

技術ソリューションにおける UCC28600D 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 UCC28600D in technical solutions:

Q: What is UCC28600D? A: UCC28600D is a highly integrated, active power factor correction (PFC) controller designed for AC/DC power supplies.
Q: What are the key features of UCC28600D? A: Some key features of UCC28600D include high power factor, low total harmonic distortion, wide input voltage range, and advanced protection features.
Q: How does UCC28600D achieve power factor correction? A: UCC28600D uses a boost converter topology with a control algorithm that adjusts the duty cycle to regulate the output voltage and maintain a high power factor.
Q: What is the typical input voltage range for UCC28600D? A: The typical input voltage range for UCC28600D is from 85VAC to 265VAC.
Q: Can UCC28600D be used in both single-phase and three-phase applications? A: Yes, UCC28600D can be used in both single-phase and three-phase applications.
Q: Does UCC28600D support constant voltage or constant current output? A: UCC28600D supports constant voltage output. For constant current applications, an external circuitry may be required.
Q: What are the protection features of UCC28600D? A: UCC28600D includes protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q: Can UCC28600D operate in a wide temperature range? A: Yes, UCC28600D is designed to operate in a wide temperature range, typically from -40°C to 125°C.
Q: Is UCC28600D suitable for high-power applications? A: Yes, UCC28600D is suitable for high-power applications as it can handle high input voltages and provide efficient power factor correction.
Q: Are there any evaluation boards or reference designs available for UCC28600D? A: Yes, Texas Instruments provides evaluation boards and reference designs for UCC28600D, which can help in the development of power supply solutions.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.