Passenger Car Constant Current LED light strip driver
author: rrdoc
2 layer board of 1.10 x 0.55 inches (28.0 x 14.0 mm)
Uploaded:
September 04, 2022
Shared:
September 24, 2022
Total Price:
$3.00
This constant current module will take 10-18VAC (eg. model train track power) and output DC to drive 12V LED strips. Flicker-free operation and DCS signal protection. Brightness is controlled by R1 (recommend 27-47 Ohms, minimum 22). Circuit design by John Will, board layout by Rod Stewart.
BOM: || HDR-1x2 jst-eh series 2-pin header || C1 470uf ECA-1VM471 Panasonic CAPPR-5/10.5h14 || D1 1A 400V DB107-G Comchip DB-DIP || L1 22uh 78F220J-RC Bourns IND_400 || R1 22 to 100 Ohm 1/4W metal film resistor (pick value for brightness level) || U1 LM317TG ON Semiconductor TO-220
This constant current module will take 10-18VAC (eg. model train track power) and output DC to drive 12V LED strips. Flicker-free operation and DCS signal protection. Brightness is controlled by R1 (recommend 27-47 Ohms, minimum 22). Circuit design by John Will, board layout by Rod Stewart.
BOM: || HDR-1x2 jst-eh series 2-pin header || C1 470uf ECA-1VM471 Panasonic CAPPR-5/10.5h14 || D1 1A 400V DB107-G Comchip DB-DIP || L1 22uh 78F220J-RC Bourns IND_400 || R1 22 to 100 Ohm 1/4W metal film resistor (pick value for brightness level) || U1 LM317TG ON Semiconductor TO-220
