UBA2016AP/1,112

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PMIC (Power Management Integrated Circuit) devices play an increasingly important role in managing the power and energy consumption of lighting and fluorescent ballast applications. UBA2016AP/1,112 is a universal off-line LED ballast controller from STMicroelectronics that combines effortless installation and adjustable current regulation. This device quickly powers up and controls the output current of a single-stage LED ballast, allowing for both dimming and end-of-life awareness.

The UBA2016AP/1,112 is particularly suitable for LED lighting applications such as spotlight, downlight, ceiling and streetlight where adjustable current regulation is required. It is designed to be used in LED ballast systems operating at an input voltage of 75-295V AC or 200-750V DC and offers adjustable output current with values adjustable from 250mA to 1000mA.

The device is said to have a very low start-up and operating current, in addition to high efficiency. Its controlled output current regulation feature helps obtain the desired light output while adjusting the regulator according to the temperature, achieving stable lighting performance. It also features an optional direct analog 0-10V input interface that allows for dimming adjustment from 0V to 10V. Besides, the device contains two separate channels allowing for different dimming settings both for maximum energy-saving features.

The UBA2016AP/1,112 includes an end-of-life protection that guards against accidental ‘runaway’ problems. This protection feature can be activated either upon detection of an open circuit in the LED chain, or when the source voltage drops below the breakdown voltage of the LED. This allows for extended LED lifetime and no-fuss maintenance of LED-based lighting systems.

Finally, the device provides galvanic isolation which helps protect both the LED driver and the lighting circuit from harmful variants in voltage or current. It also helps in meeting regulatory requirements in numerous global applications, as well as reaching the desired lighting performance.

In conclusion, the UBA2016AP/1,112 is a reliable and versatile LED ballast controller that efficiently controls the output current of a single-stage LED ballast. Its adjustable current regulation helps obtain the desired light output while protecting the LED driver from harmful variants in current or voltage. With end-of-life protection, galvanic isolation, and direct analog 0-10V input interface, this device is ideal for LED lighting applications including spotlight, downlight, ceiling and streetlight.

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