EDN

Powering LED strings and arrays in backlight applications

LEDs are becoming an increasingly popular backlighting option for all types of liquid-crystal displays, large and small, as more efficient and more cost-effective white LEDs become available on the ...
Electronic Design

Triple-Output LED Driver Works With Common-Anode LED Strings

SOME MULTI-STRING LED MODULES come with a common-anode configuration. The commonanode connection reduces the number of wires between the LED module and its driver from 2N to N+1, where N is the number ...
Machine Design

Circut Ideas: LED driver lights three LED strings and provides constant voltage supply

Typical uses today include backlighting for LCD TVs, projectors, computer displays, camera flashes, and vehicle brake lights. All need constant-current LED drivers that are economical and offer high ...
EDN

Driving high-power LEDs in series-parallel arrays

Scarcely a lighting application exists that designers have not considered converting to solid-state lighting, especially as LEDs by leaps and bounds improve both the quantity and the quality of their ...
Electronic Design

Low-EMI LED Driver Features Integrated Switches, Internal PWM Dimming

How a single LED driver can support buck, boost, and buck-boost topologies. Design details for each topology type. How such drivers work in automotive and machine-vision designs. The breadth of LED ...