UCC256402ADDBR

The UCC256402ADDBR is a high-performance resonant converter controller from Texas Instruments, designed primarily for AC/DC power supply and lighting applications. It employs a hybrid hysteretic control method, which helps achieve high efficiency and low standby power consumption. This controller is part of the LLC resonant converter family and is known for its robust design and high power density.
Key features of the UCC256402ADDBR include integrated high-voltage startup, burst mode operation for light load efficiency, and capacitive mode protection to enhance reliability. It also has adaptive dead-time control, reducing switching losses and improving overall efficiency. The device supports soft-start functionality, which minimizes inrush current during startup, and it incorporates protections against overcurrent, overvoltage, and over-temperature conditions. The UCC256402ADDBR is typically used in applications requiring efficient power conversion, such as televisions, computer monitors, or LED lighting power supplies. Its compact design and advanced features make it suitable for modern electronic devices demanding efficient power management solutions.

The UCC256402ADDBR is a resonant mode LLC controller from Texas Instruments. Equivalent products from other manufacturers could include:
1. NCP13992 from ON Semiconductor
2. L6599 from STMicroelectronics
3. IRS27952 from Infineon Technologies
These components provide similar functionalities such as high-efficiency power conversion and are used in LLC resonant converter applications. Always verify specific feature sets and compatibility for your application requirements.

The UCC256402ADDBR is a resonant controller IC designed for high-efficiency power conversion applications. Key features include:
1. Hybrid Hysteretic Control (HHC): Provides fast transient response and simplifies control design.
2. Wide Input Voltage Range: Supports various applications with different power requirements.
3. Integrated High-Voltage Startup: Reduces the need for external components, simplifying the design and reducing BOM costs.
4. Burst Mode Operation: Enhances light-load efficiency, reducing power consumption when the load is low.
5. Low Standby Power: Helps meet stringent energy standards by minimizing power usage during idle periods.
6. Adjustable Soft Start: Allows for controlled startup to minimize inrush current and stress on components.
7. Fault Protection Features: Includes overcurrent, overvoltage, and overtemperature protection to ensure reliable operation and safeguard the system.
8. Programmable Dead Time: Provides flexibility in optimizing efficiency and performance for specific applications.
These features make the UCC256402ADDBR suitable for a variety of applications, including LED drivers, adapters, and power supplies for consumer electronics.

The UCC256402ADDBR is a 12-pin IC from Texas Instruments, designed for use in LLC resonant converters. Its key function is to serve as a controller for high-efficiency power conversion. Here is a brief overview of the pin functions:
1. VCC: Supply voltage input.
2. GND: Ground reference.
3. RESDRV: Resonant drive output.
4. RVCC: Regulated voltage for internal IC operation.
5. PFCOK: Power Factor Correction (PFC) OK input.
6. CT: Timing capacitor for setting the switching frequency.
7. FB: Feedback input for regulation purposes.
8. SS: Soft-start control.
9. CS: Current sense input.
10. HV: High voltage start-up.
11. GATE: Gate drive output for the power MOSFET.
12. DRV: Drive output for additional MOSFET or other component control.
This IC is typically used in applications like power adapters, LED lighting, and other power supply systems requiring efficient power conversion.

The UCC256402ADDBR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide array of electronic components and integrated circuits. The company is known for its innovation in the development of analog and embedded processing products. TI's semiconductors are widely used in diverse applications, including automotive systems, industrial equipment, personal electronics, and communication technologies. The company is headquartered in Dallas, Texas, and has a long history of contributing to advancements in technology, particularly in the areas of power management, signal processing, and microcontrollers. Texas Instruments is recognized for its commitment to research and development, as well as its role in setting industry standards through its extensive portfolio of patents and technical expertise.

The UCC256402ADDBR is a resonant controller used in various power supply applications. Its primary application areas include:
1. AC-DC Power Supplies: Used in designing efficient and reliable AC-DC converters for consumer electronics, industrial systems, and telecom equipment.

2. LED Drivers: Helps in creating efficient LED driver circuits that require controlled power delivery.
3. Battery Chargers: Utilized in battery charging systems for ensuring efficient and safe power conversion.
4. Server and Telecom Power: Provides efficient power management for server and telecom infrastructure, enhancing performance and reliability.
These applications benefit from the controller's ability to improve efficiency, reduce electromagnetic interference, and provide robust protection features.

The UCC256402ADDBR is typically housed in a SOIC (Small Outline Integrated Circuit) package, often with a specific variant like SOIC-16 for its 16-pin design. This package type is commonly used for surface mounting on printed circuit boards, offering a compact form factor suitable for various applications.