Constant Current Source Using the TL431

[@damny0utoobe]

I watched other videos but lucid explains the current source the best.

[@ericjoziah5085]

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[@noahcarl5875]

@Eric Joziah Instablaster ;)

[@ericjoziah5085]

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[@ericjoziah5085]

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[@noahcarl5875]

@Eric Joziah you are welcome xD

[@adlerhut4397]

Sorry for the dumb question but why is the current going through the cathode of the device 0.02mA? I didn't see how that was calculated. Thanks.

[@ashuntu2010]

What is the value of RCL and can this circuit work at 5v ?

[@reynolds087]

How can you control the cathode current in the TL431? What if I want a 5mA source. Is it possible to limit to very small amounts of current? When I simulate this circuit with 5mA target current, the cathode current of the TL431 is too high.

[@kirkc9643]

You deserve a lot more subscribers

[@hichamtassi1753]

hello, but what about the voltage difference between the source and the load ? can it be used to charge a 12v battery with a constant current of 0.8A and 13v ? thanks

[@pkart8451]

Circuit for 12 v charging battery at constant current?

[@kabandajamir9844]

The world's best teacher thanks sir

[@MrWasim100100]

nice video , can i use other NPN power transistor if i know its gain

[@gunnaralv]

Can you make a simple high current CC/CV for supercaps?

[@qutube100]

Is there a way to do it without the massive power resistor as the circuit could be half the size for laser diode or led driver circuit?

[@kohizeri_daisuki]

I think you meant resistor, but sadly there is no other way to make it smaller and less bulky unless you switch to other constant current power supplies like SMPSs which are dedicated for those stuff, unless you want to set the circuit on fire if you use a lower wattage of the resistor. Just saying though. Cheers!

[@qutube100]

@@kohizeri_daisuki Yes i meant power resistor thanks my bad ! there is an ic the AMC7135 that limits to 350ma assuming you can provide a stable voltage if that helps...

[@qutube100]

@Another Dick Thanks but i don't like the heat and wasted energy i am just trying to get efficiency in a small package.. :-)

[@kristianlee1389]

i need a circuit which has output 35v 2ma even if the load resistance decreasing and make the current increasing

[@youpattube1]

Isn't the power at R1 about 0.71 watts ? Aren't you using a 1/8W resistor ?

[@1960abid]

Excellent explanation

[@swarisali3790]

Very nice sir

[@markwasylciw6526]

your videos are great thank you

[@haileelectronics]

your tutorials with your sound is very attractivelonglive godblesyou dear

[@ludicscience]

😊

[@theelectronmachines]

awesome!

[@babykojek5500]

Sir can you show to me sircuit how build 16v 2.5A dc constant current, i need for driver led 40w

[@kohizeri_daisuki]

In my opinion it is much better to use an SMPS for this matter. Just a suggestion.

[@a.ksingh11]

Good now i understand

[@oqueedeuseoquechamadodeus5346]

muito bom trabalho

[@ludicscience]

Obrigado

[@oqueedeuseoquechamadodeus5346]

@@ludicscience valeu

[@actorsagent4398]

I also like your videos from india

[@widya1836]

YEEEY L C PCB 👍

[@swatantratech5732]

Gjb

[@vishal33377]

Hi sister