Texas Instruments

UCC2893DR  

DC DC Switching Controllers

The UCC2893DR is a high-voltage, high-current pulse-width modulation (PWM) controller from Texas Instruments. It is designed for use in a variety of power conversion applications, including offline power supplies, DC-DC converters, and motor control systems.

Description:

The UCC2893DR is a monolithic integrated circuit that provides a complete solution for controlling high-voltage, high-current power supplies. It features a high-voltage startup circuit, an under-voltage lockout (UVLO), and a power good signal. The device also includes a variety of protection features, such as over-current protection, over-temperature protection, and cycle-by-cycle current limiting.

Features:

• High-voltage operation up to 700V
• High output current up to 30A
• Wide input voltage range of 4.5V to 60V
• PWM frequency up to 500kHz
• Under-voltage lockout (UVLO) for improved reliability
• Power good signal for system monitoring
• Over-current protection with cycle-by-cycle current limiting
• Over-temperature protection for enhanced safety
• Soft-start and burst mode operation for improved efficiency
• Small package size for easy integration into compact designs

Applications:

The UCC2893DR is suitable for a wide range of power conversion applications, including:

1. Offline power supplies
2. DC-DC converters
3. Motor control systems
4. Battery chargers
5. LED lighting systems
6. Industrial control systems
7. Telecommunications equipment
8. Medical equipment

In summary, the UCC2893DR from Texas Instruments is a versatile and powerful PWM controller that is well-suited for a variety of high-voltage, high-current power conversion applications. Its robust feature set and small package size make it an attractive choice for designers looking to create efficient and reliable power supplies.

UCC2893DR Documents

Download datasheets and manufacturer documentation for UCC2893DR

PCN Assembly/Origin :

Assembly/Wafer Fab Site 31/Jul/2023      

Datasheets :

UCC2892PWR