UBA2024T/N1,518

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UBA2024T/N1,518 Application Field and Working Principle

The UBA2024T/N1,518 is a type of lighting and ballast controllers offered by Texas Instruments. It has a wide range of applications, from lighting controls and HVAC systems to energy systems, AC and DC motors, and many more. It is designed to control the intensity of lighting and ballast loads, with power line voltages of up to 115 VAC.

Features

• High reliability with integrated function protection
• Integrated LED driver enables dimming control
• Dwell time setting i.e. time to turn off the ballast after a start-up to minimize power consumption
• Integrated over-temperature protection
• Integrated over-voltage protection
• Adaptive hysteresis threshold setting for various ballast topologies

Working Principle

The UBA2024T/N1,518 uses a advanced control scheme based on pulse width modulation (PWM). By adjusting the pulse width of the PWM signal, the intensity of the ballast load can be adjusted. The controller also monitors current through the ballast load to protect against over-current, over-voltage and over-temperature conditions. Additionally, the controller monitors the temperature of the ballast, and can take appropriate action (including shutting off the ballast) if it detects a potential over-temperature condition.

Additionally, the controller monitors ambient light levels, and adjusts the ballast intensity accordingly. This feature is especially useful in applications such as energy management, where energy consumption needs to be minimized. The controller can also be programmed with different dwell times, which sets the amount of time the ballast should remain powered on after a start-up.

Conclusion

The UBA2024T/N1,518 is an advanced lighting and ballast controller offered by Texas Instruments. Its advanced control scheme, integrated safety functions and ability to adjust light intensity based on ambient light conditions make it an ideal solution for any lighting and ballast control application.

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