2-amp Maximum Power Tracking Charger
Soalr Power To The Max.
Gerber file
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Components
The BOM (Bill of Materials) is the technically exhaustive listing of parts and other hardware items used to produce the working and tested prototype of any Elektor Labs project. The BOM file contains deeper information than the Component List published for the same project in Elektor Magazine. If required the BOM gets updated directly by our lab engineers. As a reader, you can download the list here.
Want to learn more about our BOM list? Read the BOM list article for extra information.
Component list
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COMPONENT LIST
Resistors
R1 = 100kOhm 5 % 0.125W, SMD 0805
R2,R5,R6 = 10kOhm 5% 0.125W, SMD 0805
R3 = 470 kOhm, 1% 0.1W, SMD 0805
R4,R10,R11 = 68.1kOhm 1%, 0.125W, SMD 0805
R7 = 1MOhm 5% 0.125W, SMD 0805
R8 = 499kOhm, 1%, 0.125W, SMD 0805
R9,R12 = 196kOhm 1% 0.125W, SMD 0805
R13 = 0.05Ohm 1%, 1W, SMD 1206
P1 = 47kOhm 20% 0.15W, trimpot, top adjust
Capacitors
C1 = 10µF 50V, +80%/–20%, SMD 1210, Y5V
C2 = 4.7µF 25V, 10%, SMD 1210, X7R
C3 = 2.2µF 25V, 10%, SMD 0603, X5R
C4 = 10µF 25V, 10%, SMD 1206, X5R
C5 = 47µF 25V 20%, SMD 2220, X7R
C6 = 100µF 25V 20%, Radial Can SMD
Inductor/Filters
FIL1,FIL4 = NFM41PC204F1H3L (Murata)
FIL2,FIL3 = NFR21GD4702202L (Murata)
L1 = 22µH 11A, 20%, 14.6mOhm (Würth Elektronik 74435572200)
Semiconductors
D1,D8 = VS-50WQ04FNPBF, SMD D-PAK
D2 = BZX84-B10,215, SMD SOT-23
D3 = LED, red, 3mm, through hole
D4 = LED, green, 3mm, through hole
D5,D6 = 1N4148, SMD SOD-123F
D7 = BZX84-B6V2, SMD SOT-23
IC1 = LT3652EMSE#PBF, SMD 12MSOP
T1 = SI4401DY-T1-E3, SMD SO-8
Miscellaneous
F1 = 2A antisurge (T), 5x20mm, with PCB mount holder and cap JP1 = 2-pin pinheader, 0.1’’ pitch
JP1 = jumper, 0.1’’
K1 = 3-way PCB screw terminal block, 5mm pitch
K2,K3 = 2-way PCB terminal block, 5mm pitch
TP1,TP2 = solder pin
Case: Teko 2/A.1, aluminum, size 57.5x72x28mm
PCB # 130145-1 v1.1 [1]
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