HardLabs

I2s audio phat

skiselev·i2s_audio_phat·KiCad/i2s_codec.kicad_pcb

I2s audio phat PCB layout, top view — open source board by skiselev

About the I2s audio phat PCB

I2s audio phat is an open source PCB design by skiselev, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 30 × 65 mm, with 59 components from 27 distinct parts.

Other key parts include the WM8731, TPS79333DBVR and CAT24C32W. By type, the board carries 23 capacitors, 22 resistors, 4 connectors, 3 ICs, 1 crystal and 1 jumper.

It belongs with the audio designs in this gallery.

From the project

I2S Audio pHAT

I2S Audio pHAT project on Mouser.com - View and order all components except of the PCB.

I2S Audio pHAT project on OSH Park - View and order the PCB.

Component type | Reference | Description | Quantity | Possible sources and notes ------------------ | --------- | --------------------------------- | -------- | -------------------------- PCB | | I2S Audio pHAT PCB - Version 3.0 | 1 | Order from OSH Park Integrated Circuit | U1 | WM8731, I2S audio codec, SSOP28 | 1 | Mouser 238-WM8731SEDS/V Integrated Circuit | U2 | TPS79333DBVR, LDO, SOT23-5 | 1 | Mouser 595-TPS79333DBVR Integrated Circuit |…

I2s audio phat, from the project README
From the project README

Main components on the I2s audio phat

WM8731TPS79333DBVRCAT24C32W

I2s audio phat bill of materials (BOM)

59 components, 27 distinct parts.

QtyPartRefs
1
WM8731
U1
1
TPS79333DBVR
U2
1
CAT24C32W
U3
1
12.288MHz
X1
1
Line Input
P1
1
Line Output
P2
1
Headphones
P3
1
RPi_Header
P4
4
HOLE
HOLE1, HOLE2, HOLE3, HOLE4
1
ID_WP
JP1
1
Mic
MK1
2
22pF
C1, C2
3
220pF
C3, C4, C5
1
0.01uF
C6
6
0.1uF
C7, C8, C9, C10, C11, C12
3
1uF
C13, C14, C15
2
10uF
C16, C17
4
10uF
C18, C19, C20, C21
2
220uF
C22, C23
6
33
R1, R2, R3, R4, R5, R6
Show 7 more
QtyPartRefs
2
100
R7, R8
1
330
R9
1
680
R10
1
1k
R11
2
3.9k
R12, R13
4
5.6k
R14, R15, R16, R17
5
47k
R18, R19, R20, R21, R22

I2s audio phat design files

The KiCad project lives in the skiselev/i2s_audio_phat repository on GitHub; these links point at the commit this page was built from.

I2s audio phat: common questions

How big is the I2s audio phat PCB?

The I2s audio phat measures 30 × 65 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the I2s audio phat?

59 components, from 27 distinct parts. The full bill of materials is listed on this page.

Where can I download the I2s audio phat design files?

From the skiselev/i2s_audio_phat repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the I2s audio phat design in my own project?

Yes, under the terms of its GPL-3.0 license, which skiselev chose for the repository.

Similar boards