IRS29831-based LED driver circuits offer smooth, flicker-free dimming with triac-based dimmers. The control IC can be used for LED driver applications up to 25 W and operates directly from a DC input ...

Figure 5: Thermal gradients with a typical LED lamp assembly affect all the components, with the maximum temperature near the LED module and decrease on the way down to the capacitor and driver ...

Therefore, each LED driver will be a 350 mA current source designed to work from an input of 45V to 51V over a range of output voltage from 30V to 40V, reflecting the potential variation of the VF of ...

LED DRIVER CIRCUITS The design in Figure 3 represents a constant current chopper driver that provides a dc current with 10% ripple to an LED string used to edge light an LCD.

Many equipment manufacturers prefer protection circuits combining resettable overcurrent protection devices with upstream fail-safe protection. In this example, R1 represents a ballast resistor used ...

He can’t show us the schematic, but he did share some tips on how to build an LED driver around a MAX16834 chip. As you move to higher power designs the barriers to success pile up rather quickly.

Suppose we want to drive an LED string with 400 mA. Drivers U1 and U2 (MAX16803) are good for automotive use because they have a high input-voltage range, excellent thermal qualities, and the ...

Given R1, R2, R SNS and V REF are all constants, it makes then sense to solve for V LED instead, in order to ultimately calculate the LED’s forward current (I F) in our circuit as a function of ...

Display Driver Integrated Circuits (DDICs) serve as a critical nexus between image processing units and visual display devices, including LCDs, OLEDs and other emerging panel technologies. These ...