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Daron necklace bottom board

manhoosbilli1·daron-necklace-bottom-board

Daron necklace bottom board layout, top view — open source board by manhoosbilli1
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About the Daron necklace bottom board

Daron necklace bottom board is an open source PCB design by manhoosbilli1, published on GitHub. It is a 2-layer board measuring 20 × 20 mm, with 42 components from 29 distinct parts.

Other key parts include the MCP73831-2-MC, FH35C-11S-0.3SHW(50)_C7427016, TPS63070RNMR and DRV2605LDGS. By type, the board carries 16 capacitors, 12 resistors, 4 ICs, 4 diodes, 2 transistors and 2 connectors.

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

From the project

Bottom half of wearable LED necklace

Bottom half of wearable LED necklace - power, haptic, USB-C charging

- Status: Routed - Board size: 20 x 20 mm - Layers: 2 - Components: 42 - Key ICs: - U1: MCP73831-2-MC - U2: FH35C-11S-0.3SHW(50)_C7427016 - U3: TPS63070RNMR - U7: DRV2605LDGS

- TPS63070RNMR (U3) - buck-boost regulator (3.3 V output); handles wide LiPo voltage swing - DRV2605LDGS (U7) - haptic motor driver for tactile feedback - MCP73831-2-MC (U1) - single-cell LiPo charger - AO3401A (Q1) - P-channel MOSFET for power switching / load enable - DMG3414U (Q3) - N-channel MOSFET (companion to Q1 for full PowerPath) -…

Daron necklace bottom board, from the project README
From the project README

Main components on the Daron necklace bottom board

MCP73831-2-MCFH35C-11S-0.3SHW(50)_C7427016TPS63070RNMRDRV2605LDGS

Daron necklace bottom board bill of materials (BOM)

42 components, 29 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MCP73831-2-MC
U1
1
FH35C-11S-0.3SHW(50)_C7427016
U2
1
TPS63070RNMR
U3
1
DRV2605LDGS
U7
1
AO3401A
Alpha & Omega Semicon
Q1
1
DMG3414U
Q3
2
Conn_01x02
J2, J4
1
TC-005_C6332285
USB1
1
SP0503BAHT
D1
1
White
Hubei KENTO Elec
D2
1
KT-0603R
D3
1
B5819W
D4
1
1.5uH
L2
1
47uF
Samsung Electro-Mechanics
C1
5
100nF
Samsung Electro-Mechanics
C2, C8, C9, C10, C15
3
10uF
Samsung Electro-Mechanics
C3, C4, C16
3
22uF
Samsung Electro-Mechanics
C5, C6, C7
2
4.7uF
C11, C17
2
1uF
C21, C22
1
470kΩ
UNI-ROYAL(Uniroyal Elec)
R1
Show 9 more
QtyPartRefs
1
150kΩ
UNI-ROYAL(Uniroyal Elec)
R2
2
5.1kΩ
UNI-ROYAL(Uniroyal Elec)
R3, R4
1
2.2kΩ
UNI-ROYAL(Uniroyal Elec)
R5
2
2.2k
R6, R20
1
10kΩ
UNI-ROYAL(Uniroyal Elec)
R11
1
1k
R13
1
10k
R14
1
100k
R18
1
100kΩ
UNI-ROYAL(Uniroyal Elec)
R19

Daron necklace bottom board design files

The KiCad project lives in the manhoosbilli1/daron-necklace-bottom-board repository on GitHub; these links point at the commit this page was built from.

Daron necklace bottom board: common questions

How big is the Daron necklace bottom board?

The Daron necklace bottom board measures 20 × 20 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Daron necklace bottom board?

42 components, from 29 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 Daron necklace bottom board design files?

From the manhoosbilli1/daron-necklace-bottom-board 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 Daron necklace bottom board design in my own project?

The repository has no license, so all rights stay with manhoosbilli1. Use it as a reference, and ask the author before reusing the design.

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