Need an LED Driver Circuit

[IndiJones]

led driver circuit

I need to drive an array of 100 (10X10) Blue LEDs and 100 (10X10) Green LEDs at the same time and the LEDs will be lit until the power is turned off. All the LEDs are from Nichia (NSPB300 & NSPG510). I need a driver circuit for this. Thanks in advance!

 

[drwho78]

If you just want the LEDs to be on when the power is on and off when the power is off, then you don't need a driver circuit. Assuming 1mA per LED, you will need 2A of power to light the 200 LEDs. You can connect a resistor to the anode of the LED and ground the other end of the LED. If you use 5V power, you will need 5K resistor per LED. You can also use one resistor to power all the LEDs. But you will need a 2.5 Ohm 10W resistor.

 

[Gomez]

Go to https://www.mblock.com.tw/pro/16-bit.html .
That's a good LED-driver with very low price 0,68USD/1000pcs.
Allegro has a LED-driver **broken link removed** 1,45USD/1000pcs.

The mblock Inc has a version with SSOP.


Gomez