NXP Semiconductors has announced the UBA2016A, a dimmable fluorescent lamp driver IC for high-frequency tube lamps (HF-TL) combining power factor correction (PFC) controller and ballast driver circuits. Using its boost function, high-end commercial-grade, amalgam-based tube lamps will have a run-up time almost similar to mercury-based tube lamps. The fully integrated dimming function enables tube lamps to be dimmed gradually for a better sensory experience and for energy saving.
Based on NXP GreenChip technology, the new family of fluorescent driver ICs consist of non-dimmable mainstream (UBA2015), dimmable (UBA2015A) and dimmable-boosted (UBA2016A) solutions, supporting all common lamp types (T4, T5, T8, T12) and lamp configurations, including multi-lamp and multi-power solutions.
The ICs drive a half-bridge circuit made of two MOSFETs with a supply voltage of up to 600 V and a PFC stage using one MOSFET. The family also features very low standby power levels (<100 mW), which further enhances energy efficiency. The many built-in protections support all standards, and meet industry requirements for reliability (including end-of-life protections) and performance. The ICs are available in both SO and DIP packages, and feature adjustable current controlled preheat and accurate lamp current control (±1%).
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