HardLabs

LT8490 - Mezzanine

pete4radio·SAMWISE-1-2-HW-Training·LT8491-mezzanine/LT8491-mezzanine.kicad_pcb

LT8490 - Mezzanine PCB layout, top view — open source board by pete4radio
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About the LT8490 - Mezzanine PCB

LT8490 - Mezzanine is an open source PCB design by pete4radio, published on GitHub. It is a 6-layer board measuring 37.3 × 46 mm, with 103 components from 51 distinct parts.

Other key parts include the LT8491IUKJPBF. By type, the board carries 38 resistors, 30 capacitors, 25 connectors, 4 transistors, 4 diodes and 1 IC.

It belongs with the power & battery designs in this gallery.

From the project

SAMWISE boards existing or newly ordered March 2025

Main components on the LT8490 - Mezzanine

LT8491IUKJPBF

LT8490 - Mezzanine bill of materials (BOM)

103 components, 51 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LT8491IUKJPBF
U4
4
SIS128LDN-T1-GE3
Q1, Q2, Q3, Q4
25
Conn_01x01
J1, J2, J3, J4, J5, J6, J7, J8 +17
2
SS2040LL_R1_00001
D1, D2
2
CMMR1U-02 TR
D12, D13
1
22uH
L3
5
0.1uF
C1, C15, C20, C37, C40
1
TCQD336M016R0070E
15uF
C16
4
2.2uF
C17, C18, C22, C25
1
330nF
C19
3
4.7uF
C21, C24, C38
1
10nF
C23
2
470nF
C26, C35
1
220pF
C27
1
6.8nF
C28
2
220nF
C29, C33
1
68nF
C30
2
3.3nF
C31, C32
2
1uF
C34, C39
2
10uF
C36, C41
Show 31 more
QtyPartRefs
1
TCQD476M016R0070E
47uF
C42
1
1nF
C43
5
10
R1, R36, R37, R44, R48
2
10k
R2, R47
1
4
R7
1
95.3k
R17
1
7.32k
R18
1
365k
R19
1
196k
R20
1
8.06k
R21
1
21k
R22
1
110k
R23
1
35.7k
R24
1
30.1k
R25
2
23.7k
R26, R52
1
0.1
R27
1
15.2k
R28
3
0
R29, R42, R50
1
3.12k
R30
1
3.01k
R31
2
2
R32, R39
1
4.99k
R33
1
53.6k
R34
1
0.047
R38
1
200k
R40
1
1
R41
1
23.2k
R43
1
18.2k
R45
1
0.033
R46
1
121k
R49
1
154k
R51

LT8490 - Mezzanine design files

The KiCad project lives in the pete4radio/SAMWISE-1-2-HW-Training repository on GitHub; these links point at the commit this page was built from.

LT8490 - Mezzanine: common questions

How big is the LT8490 - Mezzanine PCB?

The LT8490 - Mezzanine measures 37.3 × 46 mm, has 6 copper layers and is 1.217 mm thick.

How many components are on the LT8490 - Mezzanine?

103 components, from 51 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the LT8490 - Mezzanine design files?

From the pete4radio/SAMWISE-1-2-HW-Training repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the LT8490 - Mezzanine design in my own project?

The repository has no license, so all rights stay with pete4radio. Use it as a reference, and ask the author before reusing the design.

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