I am new to electronics as i love working with circuits. I have 12V 6W SMD LED, which I want to attach with Battery Powered Driver which currently gives me from 10v-14v DC with 50mAmp. Shall I connect that LED directly with battery or may I need some circuit like defined here http://www.instructables.com/id/Super-simple-high-power-LED-driver/?ALLSTEPS . pls note.. I am not student.
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\$\begingroup\$ never connect leds without anything that limits the current \$\endgroup\$– PlasmaHHCommented Mar 3, 2015 at 11:27
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\$\begingroup\$ You say you have a "Battery Powered Driver". What is that? \$\endgroup\$– MajenkoCommented Mar 3, 2015 at 11:29
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\$\begingroup\$ Well driver is which provide regulated voltage and current to to LED. I have a charger with 12V battery. WHich is originaly made for CCTV Camera Backup Supply. I want to use that for lighting up those high power LED at different dark spots at my home. \$\endgroup\$– Asif EjazCommented Mar 3, 2015 at 11:32
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\$\begingroup\$ @PlasmaHH how can I limit current. How should I know the resistance required to secure LED \$\endgroup\$– Asif EjazCommented Mar 3, 2015 at 11:33
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\$\begingroup\$ @AsifEjaz: by looking at the leds datahseet. \$\endgroup\$– PlasmaHHCommented Mar 3, 2015 at 11:34
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First, you must understand that your question is incomplete without some specifications of your "12V 6W SMD LED".
Having said that, since no real straightforward LED (light emitting diode) device works with a forward voltage of 12V, I suspect what you have there is really a "LED bulb" made of several real LEDs, and containing some internal voltage regulation circuitry.
If this is really the case, and without any information about your device, I believe you could probably hook it up to your 10-14VDC source with no problem.
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\$\begingroup\$ evselectro.com/lights/high-power-lights/… thats what I have \$\endgroup\$ Commented Mar 3, 2015 at 11:35
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\$\begingroup\$ This is not a specification of the device. What you need is some figures, specifically the typical forward voltage and driving current. \$\endgroup\$– SagieCommented Mar 3, 2015 at 11:37
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\$\begingroup\$ Also, it seems from the picture that there is no voltage regulation circuitry, so you might need some external regulation, depending on the device's figures and your power source \$\endgroup\$– SagieCommented Mar 3, 2015 at 11:39
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\$\begingroup\$ well I think i should consult some electronics engineer then. Because I dont have those figures. I just showed what i Have. \$\endgroup\$ Commented Mar 3, 2015 at 11:39
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\$\begingroup\$ i believe it doenst have any internal voltage regulation. because its way cheaper \$\endgroup\$ Commented Mar 3, 2015 at 11:40