LED Current Driver

298

03:25:11

This circuit drives a 10W LED (6-7v, 1A) from a single lithium-ion battery. It includes an op-amp preamplifier for detecting the current using a microcontroller to adjust the duty cycle of the logic train to reach the desired voltage.

I should mention that this is my first completed circuit design and may or may not be complete trash. Use at your own risk!

published 8 years ago

BillyT

8 years ago

Make it, check the voltages and currents.

hurz

8 years ago

Broken loop

kemmerich

8 years ago

Yeah, I'm waiting for the LED to arrive right now. I'm going to build this and test it tonight using a dummy load.

hurz

8 years ago

Till you are waiting, you can continue in simulation

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