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Sipm hv splitter

eshazen·ninjanirs-sipm·KiCAD/sipm-hv-splitter/sipm-hv-splitter.kicad_pcb

Sipm hv splitter PCB layout, top view — open source AVR/Arduino board by eshazen

About the Sipm hv splitter PCB

Sipm hv splitter is an open source AVR/Arduino PCB design by eshazen, published on GitHub. It is a 6-layer board measuring 63.5 × 33 mm, with 127 components from 44 distinct parts.

Its main chip is the ATMEGA328-M, from the AVR/Arduino family. Other key parts include the INA201, LM51581, LT3014XS5, AD5270 and OPA810XDCK. By type, the board carries 54 capacitors, 47 resistors, 15 ICs, 3 transistors, 3 connectors and 3 diodes.

From the project

Power supplies and electronics for SiPM base optodes

This is a PCB intended to replace the "splitter" board, connecting directly to a detector interface card with a very short ribbon. It provides programmable, current-limited HV bias to 8 SiPMs along with TIA readout of each SiPM.

The targent dimensions for the prototype are 2.5 x 1.3 inches.

The SiPM connectors are the "NIRX" standard .050" pitch 4-pin with pinout as follows (top view of female header on this board):

Main components on the Sipm hv splitter

ATMEGA328-MINA201LM51581LT3014XS5AD5270OPA810XDCKTPS7A25

Sipm hv splitter bill of materials (BOM)

127 components, 44 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATMEGA328-M
ATmega328-M
U1
1
INA201
U2
1
LM51581
U3
1
LT3014XS5
LT3014xS5
U4
1
AD5270
U5
8
OPA810XDCK
OPA810xDCK
U6, U7, U8, U9, U10, U11, U12, U13
2
TPS7A25
U14, U16
3
BSS138
Q1, Q2, Q3
1
CONN_02X18_ODD_EVEN
Conn_02x18_Odd_Even
J1
1
CONN_02X17_ODD_EVEN
Conn_02x17_Odd_Even
J2
1
ISP
J3
1
MBR1H100SFT3G
D1
2
LED
D2, D3
1
10UH
10uH
L1
1
10UH
10uH
L2
1
4.7UF
4.7uF
C1
7
1.0UF
1.0uF
C2, C3, C6, C48, C50, C52, C53
27
0.1UF
0.1uF
C4, C16, C17, C18, C19, C20, C21, C22 +19
2
10NF
10nF
C5, C13
1
22NF
22nF
C7
Show 24 more
QtyPartRefs
1
56PF
56pF
C8
1
4.7uF 100V
C9
1
0.1uF 100V
C10
3
1.0uF 100V
C11, C12, C14
8
1NF
1nF
C32, C33, C34, C35, C36, C37, C38, C39
2
2.2UF
2.2uF
C49, C51
9
1k
R1, R37, R38, R39, R40, R41, R42, R43 +1
1
210K
210k
R2
1
140K
140k
R3
2
100K
100k
R4, R7
4
10.0K
10.0k
R5, R6, R16, R46
2
100
R8, R10
1
3.00 1%
R9
2
4.7K
4.7k
R11, R45
1
3.16K
3.16k
R12
1
150K
150k
R13
1
2.49K
2.49k
R14
2
1.5K
1.5k
R15, R47
1
2.50M 1%
R17
1
510k 1%
R18
1
24.0k 1%
R19
1
50.0k 1%
R20
8
15K
15k
R21, R22, R23, R24, R25, R26, R27, R28
8
15
R29, R30, R31, R32, R33, R34, R35, R36

Sipm hv splitter design files

The KiCad project lives in the eshazen/ninjanirs-sipm repository on GitHub; these links point at the commit this page was built from.

Sipm hv splitter: common questions

What microcontroller does the Sipm hv splitter use?

The Sipm hv splitter is built around the ATMEGA328-M, from the AVR/Arduino family.

How big is the Sipm hv splitter PCB?

The Sipm hv splitter measures 63.5 × 33 mm, has 6 copper layers and is 1.6 mm thick.

How many components are on the Sipm hv splitter?

127 components, from 44 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 Sipm hv splitter design files?

From the eshazen/ninjanirs-sipm 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 Sipm hv splitter design in my own project?

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

Can I test firmware for the Sipm hv splitter without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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