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Energy-efficient dimmable driver IC is world’s first to integrate PFC and boost functionality

February 17, 2012 | Paul Buckley | 222904141
Energy-efficient dimmable driver IC is world’s first to integrate PFC and boost functionality NXP Semiconductors N.V. has unveiled what the company claims is the world’s first dimmable fluorescent lamp driver IC for High Frequency Tube Lamps (HF-TL) combining power factor correction (PFC) controller and ballast driver circuits. Using the boost function of the UBA2016A, 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, which is unique for this type of ballast controller IC, 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 new family of fluorescent driver ICs 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, supporting an easy and fast design-in. All products feature the adjustable current controlled preheat and accurate lamp current control (+/- 1 percent).

Availability

The UBA2016A , UBA2015 and UBA2015A fluorescent lamp driver IC family is in volume production. Samples and reference designs are available upon request.

More information of UBA2016A , UBA2015 and UBA2015A fluorescent lamp driver IC family at
www.nxp.com/products/power_management_ics/lighting_driver_and_controller_ics/










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