HardLabs

Si4-hat

aliadnani·si4·hardware/si4-hat/si4-hat.kicad_pcb

Si4-hat layout, top view — open source board by aliadnani

About the Si4-hat

Si4-hat is an open source PCB design by aliadnani, published on GitHub. It is a 4-layer board measuring 31.5 × 47.5 mm, with 44 components from 16 distinct parts.

Other key parts include the CS42L52-CNZR and TLV73325PDBV. By type, the board carries 25 capacitors, 12 resistors, 5 connectors and 2 ICs.

It belongs with the dev boards & breakouts designs in this gallery.

Main components on the Si4-hat

CS42L52-CNZRTLV73325PDBV

Si4-hat bill of materials (BOM)

44 components, 16 distinct parts.

QtyPartRefs
1
CS42L52-CNZR
U1
1
TLV73325PDBV
U2
1
Phones
J1
1
Mic
J2
1
Micro_SD_Card
J3
1
Audio Hat Power
J4
1
Audio Hat I2S/I2C
J5
2
10 uF
C1, C9
14
1 uF
C2, C3, C7, C8, C10, C11, C12, C14 +6
2
0.022 uF
C4, C5
5
0.1 uF
C6, C13, C19, C24, C25
2
150 pF
C18, C20
2
51.1 R
R1, R2
2
100 K
R3, R6
2
2.2 K
R4, R5
6
10 K
R7, R8, R9, R10, R11, R12

Si4-hat design files

The KiCad project lives in the aliadnani/si4 repository on GitHub; these links point at the commit this page was built from.

Si4-hat: common questions

How big is the Si4-hat?

The Si4-hat measures 31.5 × 47.5 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Si4-hat?

44 components, from 16 distinct parts. The full bill of materials is listed on this page.

Where can I download the Si4-hat design files?

From the aliadnani/si4 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Si4-hat design in my own project?

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

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