Texas Instruments

UCC2894D  

AC DC Converters, Offline Switches

The UCC2894D is a high-voltage, high-power factor, off-line control integrated circuit (IC) developed by Texas Instruments. It is designed for use in off-line power supplies, providing a cost-effective and efficient solution for converting AC input voltage to a regulated DC output voltage.

Description:

The UCC2894D is a monolithic IC that integrates all the essential features required for a high-performance off-line power supply. It is designed to operate with a wide range of input voltages and can deliver a high output power with a high power factor. The IC is available in a thermally enhanced plastic package, making it suitable for use in compact and cost-effective power supply designs.

Features:

1. High-voltage operation: The UCC2894D can operate with input voltages up to 480V AC, making it suitable for a wide range of applications.
2. High power factor: The IC uses a dedicated power factor correction (PFC) control loop to achieve a high power factor, reducing input current harmonics and improving overall efficiency.
3. Constant frequency operation: The UCC2894D operates at a constant switching frequency, simplifying the design of the input filter and reducing component size.
4. Overload and short-circuit protection: The IC provides comprehensive protection features, including over-voltage, over-current, and short-circuit protection, ensuring reliable and safe operation.
5. Low standby power: The UCC2894D features a low standby power mode, reducing energy consumption during periods of low load.
6. Easy to use: The IC has a simple and flexible design, making it easy to implement in a wide range of power supply applications.

Applications:

The UCC2894D is suitable for a variety of applications that require high-voltage, high-power, and high-efficiency power conversion. Some of the key applications include:

1. Industrial power supplies
2. Telecommunications equipment
3. Computer power supplies
4. Medical equipment
5. LED lighting systems
6. Uninterruptible power supply (UPS) systems
7. Battery chargers

In summary, the UCC2894D is a versatile and efficient off-line control IC that offers a range of features and benefits for high-voltage, high-power power supply applications. Its high power factor, constant frequency operation, and comprehensive protection features make it an ideal choice for designers looking to create compact, reliable, and energy-efficient power supplies.

UCC2894D Documents

Download datasheets and manufacturer documentation for UCC2894D

PCN Assembly/Origin :

Wire Base Metal 21/May/2019      

Datasheets :

UCC2892PWR      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018