High power led driver schematic

 · Driving a high power LED is not that easy. First you've to apply proper voltage to get the maximum possible brightness and you also have to limit the current to avoid LED burn out. You might have seen other high power LED driver circuits which consists of many parts, like inductors, op-amps, different regulator IC’s, transistor feedback networks even Estimated Reading Time: 2 mins.  · The circuit is quite simple and uses a 12VAC to 24VAC power supply or you can provide DC voltage that must not exceed 30V but your must remove D1, D2, D3 and D4 diodes. The Rs resistor is calculated using this formula: Rs = / Iout (A). For example if we need a mA output current to drive the LED then Rs = / A = Ω (mΩ)Reviews: It's ideal for High-power LED's especially, and can be used for any number and configuration of normal or high-power LED's with any type of power supply. As a simple project, i've built the driver circuit and connected it to a high-power LED and a power-brick, making a plug-in light.

Driving a high power LED is not that easy. First you've to apply proper voltage to get the maximum possible brightness and you also have to limit the current to avoid LED burn out. You might have seen other high power LED driver circuits which consists of many parts, like inductors, op-amps, different regulator IC’s, transistor feedback networks even microcontrollers. Those circuits are more efficient than this one. It's ideal for High-power LED's especially, and can be used for any number and configuration of normal or high-power LED's with any type of power supply. As a simple project, i've built the driver circuit and connected it to a high-power LED and a power-brick, making a plug-in light. The circuit is quite simple and uses a 12VAC to 24VAC power supply or you can provide DC voltage that must not exceed 30V but your must remove D1, D2, D3 and D4 diodes. The Rs resistor is calculated using this formula: Rs = / Iout (A). For example if we need a mA output current to drive the LED then Rs = / A = Ω (mΩ).

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