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SI4684

PE5PVB·SI4684-DAB-Receiver·Kicad/Mainboard/SI4684.kicad_pcb

SI4684 PCB layout, top view — open source board by PE5PVB
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About the SI4684 PCB

SI4684 is an open source PCB design by PE5PVB, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 100 × 68 mm, with 89 components from 43 distinct parts.

Other key parts include the MIC5504-1.8YM5, LM2596T-5, SI4684-A10-GM, LM1117T-3.3 and TPA6130A2RTJTG4. By type, the board carries 43 capacitors, 26 resistors, 6 ICs, 6 inductors, 5 connectors and 2 diodes.

It belongs with the wearables designs in this gallery.

From the project

SI4684 ESP32 DAB Receiver

In English: https://www.youtube.com/watch?v=Cxd0hHTuU

In Dutch: https://www.youtube.com/watch?v=wV3G2J327qg

Use these settings in the TFT_eSPI library:

You are using my software and you found a difficulty? Please create new issue and describe your problem.

I also would like to invite you to join our Discord community where we share our ideas and help each other with some issues.\ [](https://discord.gg/ZAVNdS74mC)

SI4684, from the project README
From the project README

Main components on the SI4684

MIC5504-1.8YM5LM2596T-5SI4684-A10-GMLM1117T-3.3TPA6130A2RTJTG4NE5532

SI4684 bill of materials (BOM)

89 components, 43 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MIC5504-1.8YM5
U1
1
LM2596T-5
U2
1
SI4684-A10-GM
U3
1
LM1117T-3.3
U4
1
TPA6130A2RTJTG4
U5
1
NE5532
U6
1
19.2MHZ
19.2MHz
X1
1
DC IN
J1
1
Ant
J2
1
Headphones
J3
1
FRONT-PCB
J4
1
AUDIO
J5
1
BAV99
D1
1
1N5822
D2
1
18NH
18nH
L1
1
BEAD
L2
1
120NH
120nH
L3
1
22NH
22nH
L4
1
33uH
L5
1
22uH
L6
Show 23 more
QtyPartRefs
8
1UF
1uF
C1, C4, C14, C15, C17, C26, C35, C41
2
220uF
C2, C13
1
33P
33p
C3
1
2P7
2p7
C5
4
100N
100n
C6, C18, C19, C21
4
2N2
2n2
C7, C25, C30, C40
10
10uF
C8, C9, C10, C11, C22, C24, C27, C28 +2
4
8P2
8p2
C12, C23, C29, C38
1
100uF
C16
1
1uF
C20
3
10p
C32, C33, C36
2
270P
270p
C34, C39
2
47uF
C42, C43
1
4K7
4k7
R1
6
100
R2, R3, R4, R5, R8, R9
4
4k7
R6, R7, R17, R19
2
220
R10, R11
2
39k
R12, R15
4
100k
R13, R14, R23, R24
1
10
R16
2
3k9
R18, R20
2
220
R21, R22
2
10K
10k
R25, R26

SI4684 design files

The KiCad project lives in the PE5PVB/SI4684-DAB-Receiver repository on GitHub; these links point at the commit this page was built from.

SI4684: common questions

How big is the SI4684 PCB?

The SI4684 measures 100 × 68 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the SI4684?

89 components, from 43 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 SI4684 design files?

From the PE5PVB/SI4684-DAB-Receiver 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 SI4684 design in my own project?

Yes, under the terms of its GPL-3.0 license, which PE5PVB chose for the repository.

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