Texas Instruments

UCC28251PWR  

DC DC Switching Controllers

The UCC28251PWR is a high-voltage, high-current synchronous step-down regulator from Texas Instruments. It is designed to provide efficient and precise voltage regulation for a wide range of applications, including industrial, medical, and automotive systems.

Description:

The UCC28251PWR is a monolithic power management device that integrates a high-voltage power MOSFET driver, error amplifier, and other support circuitry on a single chip. It is available in a thermally enhanced 28-pin PowerPad package, which provides excellent thermal performance and ease of use.

Features:

1. Wide input voltage range: The UCC28251PWR can operate from input voltages as low as 4.5V to as high as 60V, making it suitable for a wide range of applications.
2. High output current: The device can deliver output currents up to 30A, making it suitable for high-power applications.
3. High efficiency: The UCC28251PWR features a synchronous rectification mode, which enables it to achieve high efficiency levels, even at high output currents.
4. Precise output voltage regulation: The device offers excellent line and load regulation, with an output voltage accuracy of ±1%.
5. Protection features: The UCC28251PWR includes various protection features, such as over-current protection, over-temperature protection, and output under-voltage lockout.
6. Small solution size: The device occupies a small footprint and can be used in compact applications.

Applications:

1. Industrial systems: The UCC28251PWR can be used in various industrial applications, such as motor drives, power supplies, and test and measurement equipment.
2. Medical equipment: The device is suitable for use in medical equipment that requires high-voltage and high-current power regulation, such as imaging systems and medical monitors.
3. Automotive systems: The UCC28251PWR can be used in automotive applications, such as infotainment systems, power management systems, and electric vehicle charging systems.
4. Telecommunications: The device can be used in telecommunications equipment, such as base stations and network infrastructure, to provide efficient and precise voltage regulation.
5. Renewable energy systems: The UCC28251PWR can be used in renewable energy systems, such as solar power inverters and wind turbine power converters, to provide efficient power regulation.

In summary, the UCC28251PWR from Texas Instruments is a versatile, high-voltage, high-current synchronous step-down regulator that offers excellent efficiency, precision, and protection features. It is suitable for a wide range of applications, including industrial, medical, automotive, telecommunications, and renewable energy systems.

UCC28251PWR Documents

Download datasheets and manufacturer documentation for UCC28251PWR

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Process change notifiation (PDF)      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

Application Notes :

Differences Between the UCC28251 and UCC28250 and Evaluation of the UCC28251 in (Rev. A)       Fast input-voltage transient response with digitally-controlled isolated DC/DC      

Technical Resources :

UCC28251 TINA-TI Average Reference Design      

SPICE Models :

UCC28251 Unencrypted PSpice Average Model Package (Rev. A)       UCC28251 TINA-TI Average Spice Model