HardLabs

LION2CELL02

mlab-modules·LION2CELL02·hw/sch_pcb/LION2CELL02.kicad_pcb

LION2CELL02 PCB layout, top view — open source board by mlab-modules

About the LION2CELL02 PCB

LION2CELL02 is an open source PCB design by mlab-modules, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 80.8 × 60.5 mm, with 96 components from 45 distinct parts.

Other key parts include the BQ25792RQMR1, LMR14050 and BQ40Z50-R2. By type, the board carries 30 capacitors, 29 resistors, 12 connectors, 8 diodes, 4 transistors and 3 ICs.

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

From the project

Dual-cell Li-Ion Battery management system with I2C interface and USB-C charging.

The LION2CELL02 module is designed to manage the charging and protection of the 2-cell Li-Ion battery stack. It incorporates advanced safe and efficient battery management features, utilizing the BQ40Z50-R2 fuel gauge and BQ25792 battery charger ICs.

The LION2CELL02 module include USB-C connector for quick charge connection. This allows for easy integration with USB-C power sources.

LION2CELL02, from the project README
From the project README

Main components on the LION2CELL02

BQ25792RQMR1LMR14050BQ40Z50-R2

LION2CELL02 bill of materials (BOM)

96 components, 45 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
BQ25792RQMR1
U1
1
LMR14050
U2
1
BQ40Z50-R2
BQ40z50-R2
U3
1
DMTH3002LPS
Q1
1
AP2305AGN-HF-3
Q2
2
DMT31M7LPS-13
DMTH3002LPS
Q3, Q5
1
USB4105-GF-A
USBC_USB4105-GF-A
J1
4
CONN1_1
J2, J3, J8, J9
1
JUMP_4X2
J4
1
HEADER_2X03_PARALLEL
HEADER_2x03_PARALLEL
J5
3
HEADER_2x01_PARALLEL
J6, J7, J10
1
HEADER_1X02
HEADER_1x02
J11
1
HEADER_2X05_PARALLEL
HEADER_2x05_PARALLEL
J12
1
18650
B1
1
JUMPER_2_OPEN
Jumper_2_Open
JP1
2
SW_Push
SW1, SW2
4
NCP21XV103J03RA
TH1, TH2, TH3, TH4
6
LED
D1, D3, D4, D5, D7, D8
1
PDS760-13
D2
1
1N4148WS
D6
Show 25 more
QtyPartRefs
2
2.2uH
L1, L2
6
100nF
C1, C2, C17, C18, C21, C23
12
10u
C3, C4, C6, C7, C8, C11, C19, C25 +4
2
100nF
C5, C24
2
47nF
C9, C10
2
1uF
C12, C35
2
10uF
C13, C36
1
2.2UF
2.2uF
C16
1
4U7
4u7
C20
1
C0805 1u
100nF
C29
1
22NF
22nF
C38
5
5k1
R1, R2, R19, R27, R28
1
127K
127k
R3
1
100K
100k
R4
1
5.24K
5.24k
R5
1
30.31K
30.31k
R6
1
2K2
2k2
R7
6
100
R8, R20, R32, R33, R34, R36
1
8K2
8k2
R9
1
44K2
44k2
R10
5
10k
R11, R13, R14, R15, R24
1
15K
15k
R12
1
300R
R17
3
10M
R18, R22, R23
1
2MR
2mR
R35

LION2CELL02 design files

The KiCad project lives in the mlab-modules/LION2CELL02 repository on GitHub; these links point at the commit this page was built from.

LION2CELL02: common questions

How big is the LION2CELL02 PCB?

The LION2CELL02 measures 80.8 × 60.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the LION2CELL02?

96 components, from 45 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 LION2CELL02 design files?

From the mlab-modules/LION2CELL02 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 LION2CELL02 design in my own project?

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

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