UBA2074AT/N1,518

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	CCFL/EEFL Controller
Frequency:	43kHz ~ 46.6kHz
Voltage - Supply:	9 V ~ 30 V
Current - Supply:	5mA
Current - Output Source/Sink:	--
Dimming:	Yes
Operating Temperature:	-25°C ~ 100°C
Mounting Type:	Surface Mount
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	28-SO
Base Part Number:	UBA2074

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<h2>UBA2074AT/N1,518 Application Field and Working Principle</h2><h3>Introduction</h3>The UBA2074AT/N1,518 is a low-power and highly-integrated ballast controller IC, which offers a simple, fast, and cost-effective solution for controlling electronic ballast. It is designed for use in power supplies, LED drivers, phase dimming, and other lighting equipment. The device integrates a wide range of features, such as a fast voltage threshold, power rail monitoring and protection, comprehensive protection and fault monitoring, and efficient ballast protection.<h3>Application Field</h3>The UBA2074AT/N1,518 is suitable for use in LED drivers, ballasts, phase dimming, and general lighting applications. It is highly versatile and provides cost-effective integration for numerous applications. It also has a built-in power rail monitoring feature, which can monitor the voltage and ensure that the correct power is applied to the ballast.The UBA2074AT/N1,518 can also be used in many different applications, such as in automotive, industrial and commercial lighting systems, HVAC controllers, and fluorescent and incandescent lamps. In addition, it is suitable for use in multiple luminaires, such as LED panels, LED bulbs, LED downlights, LED spotlights, LED strip, LED wall washers, LED floodlights, LED recessed lights, and LED track lights.<h3>Working Principle</h3>The UBA2074AT/N1,518 is an integrated ballast controller, which is designed for use in multiple applications. It includes an input stage that regulates the input voltage, a power rail monitoring circuit, a fault detection circuit, and a control logic circuit.The input stage includes both AC and DC inputs. The input stage regulates and limits the voltage supplied to the ballast, ensuring that the ballast is properly supplied with power. This stage is also responsible for monitoring the ballast\'s operation and reacting to any changes in the input voltage.The power rail monitoring circuit provides protection against power overloads or under-voltage inputs. It monitors the output current and provides feedback to the control logic circuit. This helps prevent any damage to the power supply and helps ensure the ballast is working correctly.The fault detection circuit works in conjunction with the power rail monitoring circuit and provides information on any potential errors or malfunctions. It will detect any voltage irregularities and provide feedback to the control logic circuit.The control logic circuit is responsible for controlling the operation of the ballast. It supports different modes of operation, such as dimming, color changing, circuit protection, and power saving. It can also be used for controlling multiple luminaires.The UBA2074AT/N1,518 is a highly integrated ballast controller that offers numerous features and advantages for its users. Its wide range of features and efficient integration provide a cost-effective and highly reliable solution for controlling electronic ballasts.

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