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Lithium Charger

Lithium Charger

Batteries based on lithium, such as LiPo (Lithium-polymer) and Lithium-Ion ones are ideal candidates to supply a robot with power. Compared to other types of battery they are lighter, which results in a lower mechanical strain on the chassis. The availability is good as well, and they are manufactured in many shapes and sizes.




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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.
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Component list


R1,R2,R6 = 10 k (SMD 0805)

R3,R4 = 100 k 1% (SMD 0805)

R5 = 180 mW  1/4 W  (SMD 1210) , bijv. Digikey P.18SCT-ND



C1,C2 = 10 m/25 V (SMD 12010)

C3...C5 = 100 n (SMD 0805)

C6 = 47 n (SMD 0805)



D1 = BAT54 (SOT-23)

D2,D3 = MBRS540T3G (SMC), e.g. Digikey MBRS540T3GOSCT-ND

IC1 = MAX745

T1 = FDS6911 (SOIC12, e.g. Digikey FDS6911CT-ND



L1 = 22μH (JW-MILLER PM2110-220K-RC), e.g.Digikey M8760-ND

JP1,JP2 = jumper with 2-polige SIL-header

PCB, ref. 070273-1

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