NXP Semiconductors Lighting, Ballast Controllers UBA2212CT/N1,518

The UBA2212CT/N1,518 is a half-bridge power integrated circuit designed for driving Compact Fluorescent Lamps (CFL) in configurations suitable for both indoor and outdoor applications. It supports lamp power up to 23W at 120V AC and features integrated half-bridge power transistors with a maximum ignition current of 3.5A. The device includes an integrated bootstrap diode and high-voltage supply, facilitating easy system integration. Key functionalities include RMS lamp current control, adjustable operating frequency, and temperature-controlled timing during the boost state, ensuring smooth transitions from boost to steady state. The UBA2212CT/N1,518 also incorporates safety features such as saturation current protection, over-temperature protection, and capacitive mode protection, enhancing reliability during operation. Its design allows for fixed frequency preheat with adjustable preheat time, contributing to extended burner lifetime and effective cold start support. This product is suitable for engineers looking for a robust solution for CFL applications.