Texas Instruments

UCC2893D

The UCC2893D is a high-voltage, high-current pulse-width modulation (PWM) controller developed by Texas Instruments. It is specifically designed for use in offline power supplies, motor control applications, and other high-power applications that require precise control of the output voltage and current.

Description:

The UCC2893D is a monolithic integrated circuit that provides a complete solution for controlling the power stage of a switching power supply. It includes a high-voltage power stage with a high-side and low-side MOSFET driver, as well as a current sense amplifier, error amplifier, and oscillator. The device also features a variety of protection circuits, including over-voltage, over-current, and over-temperature protection.

Features:

1. High-voltage operation: The UCC2893D can operate with input voltages up to 700V, making it suitable for a wide range of power supply applications.
2. High-current capability: The device can handle output currents up to 30A, making it suitable for high-power applications.
3. PWM control: The UCC2893D uses pulse-width modulation to regulate the output voltage and current, providing precise control and high efficiency.
4. Protection features: The device includes over-voltage, over-current, and over-temperature protection to ensure safe and reliable operation.
5. Small package size: The UCC2893D is available in a compact 28-pin package, making it easy to integrate into a variety of applications.

Applications:

The UCC2893D is suitable for a wide range of high-power applications, including:

1. Offline power supplies: The device can be used to control the power stage of an offline power supply, providing efficient and reliable power conversion.
2. Motor control: The UCC2893D can be used to control the speed and torque of a motor in applications such as industrial automation, robotics, and electric vehicles.
3. Battery charging: The device can be used to control the charging of high-voltage batteries in applications such as electric vehicles and energy storage systems.
4. LED lighting: The UCC2893D can be used to control the brightness and color of LED lighting systems, providing efficient and precise control.

Overall, the UCC2893D is a versatile and powerful PWM controller that is well-suited for a variety of high-power applications. Its high-voltage and high-current capabilities, combined with its advanced control and protection features, make it an excellent choice for designers looking to create efficient and reliable power supply solutions.