LED Driver

The New Lighting Technology

Due to energy-efficiency and lifetime LEDs are nowadays used in all kinds of illumination, for example for driving background LEDs in displays or luminaires for exterior or interior lighting. Those LEDs need to be powered with a constant current for maintaining exactly the same emitted colour. This the job oft he LED Drivers. No matter if they are powered from AC-mains or DC-source, an LED Driver supplies the LEDs with a constant current in the specific voltage area oft he LEDs. Depending on the specific demands different topologies may be considered, like PFC (Power Factor Correction) for AC-supply, isolated or-non-isolated design, dimming capability etc. Eg. for dimming the LEDs a pulsed signal with constant current is needed in ordert o maintain teh correct colour at lower light-intensity.

CODICO offers DC/DC and AC/DC LED drivers for step-down and step-up applications as well as multi-channel drivers for display background illumination.

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Manufacturers & Contacts

MPS

Monolithic Power Systems, Inc. (MPS) is amongst the globally leading suppliers in the power-management area. The broad portfolio contains eg DC/DC-converters and -modules, PMICs, battery-management-ICs, current-sensors, AC/DC-converter-ICs, motordrivers as well as angle-sensors and, newly added, even inductors for the DC/DC-converters.  Target markets are mainly industrial, automotive, telecom-infrastructure, cloud-computing and consumer-applications.

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POWER INTEGRATIONS

POWER INTEGRATIONS is a leading supplier of integrated AC/DC power ICs. It was founded in 1988 in Silicon Valley and offers high-performance electronic components used in high-voltage power-conversion systems, fast diodes, IGBT-drivers as well as high-voltage motor-drivers.

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TOREX

TOREX Semiconductor was founded in 1995. They are a fabless leading provider of CMOS power management ICs aimed at battery powered and energy efficient applications. Specialising in cutting edge CMOS analogue technology, DC/DC Converters and LDO Voltage Regulators are at the core of our product range, but the company’s broad portfolio also includes power MOSFETs, Schottky Barrier Diodes, Oscillator & PLL ICs.

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Johannes Kornfehl is product marketing manager
Johannes Kornfehl +43 1 86305-149 E-MAIL

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