Board schematic and bill of material
UM1964
20/24
DocID028481 Rev 1
45
Through Hole 4 Way Screw Terminal (2x
2way connector)
TH 3.81 mm pitch
4UCONN
46
Through Hole 2 Way Screw Terminal
TH 3.81 mm pitch
4UCONN
47
dSPIN Microstepping Driver with Motion
Engine and SPI
POWERSO36
ST
48
step-down switching regulator
HSOP8
ST
49
Crystal / Ceramic Resonator
HC-49-US SMD
Abracon
Table 8. BOM (part 2) (continued)
Item
Technology information
Package
Manufacturer
Table 9. BOM (part 3)
Item
Manufacturer code
Supplier
Supplier code
More info
1
15286
Alternative: Samtec ESQ-110-24-T-S
Mounting info: female on top, male on bottom
2
15284
Alternative: Samtec ESQ-108-24-T-S
Mounting info: female on top, male on bottom
3
8413
Alternative: Samtec: ESQ-119-24-T-D
Mounting info: male on top, female on bottom
Not Mounted
4
15282
Alternative: Samtec ESQ-106-24-T-S
Mounting info: female on top, male on bottom
5
6
C2012X5R0J106K125AB
Digi-Key
445-4113-2-ND
Alternative: Murata GRM21BR60J106KE19L
7
8
UUX1J101MNL1GS
Digi-key
493-7453-2-ND
Alternative: Panasonic EEEFK1J101P, Farnell
2254433
9
10
Not Mounted
11
TAJA476K006RNJ
Farnell
2217224
12
Not Mounted
13
14
15
16
17
C2012X7R2A104K125AA
Digi-Key
445-1418-2-ND
Alternative: Murata GCM21BR72A104KA37L
