My back ground is Mechanical and PCB. ( I need EE help)
I hope to make a custom led taillight for my father-inlaw.
He is even making custom lens covers with his logo on them.
It will have to be a flex on aluminum board. (expensive but he has a budget)
I need help with the schematic...
I have spec'd out the LED as - POWER TOPLED with lens OSRAM
PN-LS E63F-DBFA-1-1 Super RED
data sheet-
http://catalog.osram-os.com/catalogue/catalogue.do;jsessionid=44739A0847BDBF2B4CBF49FC37 88F45B?act=downloadFile&favOid=020000030001d405000100b6
Vehicle input Voltage is 11-16V
So I understand each led wants 2.15V at 50ma.
I understand how to do this with simple resistors.
I understand the simple constant current circuit with a lm317 for each
led or led string.
Both of these circuits are not how professionals do it?
I have seen other production taillight units.
I have not seen the schematics but i have looked at the boards. I will get a pic and post it soon. but it appears to be 2 resistors/ 1cap and 1or2 sot-23 packages near each led....only 2 pin connector to the board.
Really just looking for some in-site on a professional ev efficient design which should only mean expensive parts. The quick and dirty circuits are everywhere but im looking to recreate an audi type design into a custom forum factor..
willing to trade skill for skill
thanks,
the forum is very cool
Lurker6
I hope to make a custom led taillight for my father-inlaw.
He is even making custom lens covers with his logo on them.
It will have to be a flex on aluminum board. (expensive but he has a budget)
I need help with the schematic...
I have spec'd out the LED as - POWER TOPLED with lens OSRAM
PN-LS E63F-DBFA-1-1 Super RED
data sheet-
http://catalog.osram-os.com/catalogue/catalogue.do;jsessionid=44739A0847BDBF2B4CBF49FC37 88F45B?act=downloadFile&favOid=020000030001d405000100b6
Vehicle input Voltage is 11-16V
So I understand each led wants 2.15V at 50ma.
I understand how to do this with simple resistors.
I understand the simple constant current circuit with a lm317 for each
led or led string.
Both of these circuits are not how professionals do it?
I have seen other production taillight units.
I have not seen the schematics but i have looked at the boards. I will get a pic and post it soon. but it appears to be 2 resistors/ 1cap and 1or2 sot-23 packages near each led....only 2 pin connector to the board.
Really just looking for some in-site on a professional ev efficient design which should only mean expensive parts. The quick and dirty circuits are everywhere but im looking to recreate an audi type design into a custom forum factor..
willing to trade skill for skill
thanks,
the forum is very cool
Lurker6
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