Current Control Circuit for LED

This circuit constructed to derive 1W power LED array, the IC MAX16832 is a step down constant current high brightness LED driver.




You can design a LED bulbs, LED illumination applications or other power LED based lighting application by using MAX16832.

Circuit diagram

Current-control-circuit-for-LED-lighting-PWM-new

This circuit constructed with self PWM oscillation circuit and option for external PWM input hence you can choose the PWM signal from internal source / external source, by varying the PWM pulse LED brightness level varies in wide range.

Components List

S.No Name Quantity
1. IC MAX16832 1
2. 1Watt white LED 5
3. Transistor BC547
Transistor BC557
1
1
4. Diode 1N4007 1
5. Schottky diode 1N5819 1
6. Resistor 10KΩ
100KΩ
2K
100KΩ
220Ω/1W
1
1
1
1
1
7. Capacitor – 1µF/50V 2
8. Switch SPDT
On/off Switch
1
1

 

Data sheet you can get here MAX16832A-MAX16832C
 



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