Texas Instruments

UCC28881DR

The UCC28881DR is a high-voltage, high-power factor, three-phase AC-DC power conversion control integrated circuit (IC) manufactured by Texas Instruments. It is designed for use in high-power applications such as industrial motor drives, power supplies, and renewable energy systems.

Description:

The UCC28881DR is a monolithic integrated circuit that provides a complete solution for controlling three-phase AC-DC power conversion systems. It includes a high-voltage gate driver, error amplifier, current sense amplifier, and protection features. The device is available in a thermally enhanced 38-pin eTSSOP package.

Features:

1. High-voltage operation: The UCC28881DR can operate with input voltages up to 800V, making it suitable for high-voltage applications.
2. High-power factor: The device provides a high-power factor (up to 0.99) and low total harmonic distortion (THD), improving the efficiency of the power conversion system.
3. Advanced control algorithms: The UCC28881DR features advanced control algorithms, including field-oriented control (FOC) and space vector pulse width modulation (SVPWM), for precise control of the power conversion process.
4. Integrated gate driver: The device includes an integrated gate driver for controlling the power switches in the three-phase AC-DC converter.
5. Protection features: The UCC28881DR offers various protection features, such as over-voltage, under-voltage, over-current, and over-temperature protection, to ensure the reliability and safety of the system.
6. High efficiency: The device is designed for high efficiency, with a typical efficiency of up to 98%.

Applications:

1. Industrial motor drives: The UCC28881DR can be used in variable frequency drives (VFDs) for controlling the speed and torque of industrial motors.
2. Power supplies: The device can be used in high-power three-phase AC-DC power supplies for various applications, such as telecommunications, servers, and industrial equipment.
3. Renewable energy systems: The UCC28881DR can be used in power conversion systems for renewable energy applications, such as solar photovoltaic (PV) systems and wind turbines.
4. Battery chargers: The device can be used in high-power battery charging systems for electric vehicles (EVs) and energy storage systems.
5. Uninterruptible power supply (UPS) systems: The UCC28881DR can be used in three-phase UPS systems to provide backup power during power outages or fluctuations.

In summary, the UCC28881DR is a versatile and high-performance control IC for three-phase AC-DC power conversion systems. Its features, such as high-voltage operation, high-power factor, advanced control algorithms, and integrated gate driver, make it suitable for a wide range of high-power applications.