HardLabs

Li-Po-Charger

valeronm·Li-Po-Charger

Li-Po-Charger PCB layout, top view — open source board by valeronm

About the Li-Po-Charger PCB

Li-Po-Charger is an open source PCB design by valeronm, published on GitHub under the MIT license. It is a 2-layer board measuring 40 × 23 mm, with 26 components from 14 distinct parts.

Other key parts include the MAX17048, ME6211C33M5 and TP4056-42-ESOP8. By type, the board carries 11 resistors, 7 capacitors, 3 ICs, 2 connectors, 1 transistor and 1 diode.

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

From the project

Schematic and PCB for Li-Po charger with power path, power management inputs, charging state and 3.3V output and I2C fuel gauge

Main components on the Li-Po-Charger

MAX17048ME6211C33M5TP4056-42-ESOP8

Li-Po-Charger bill of materials (BOM)

26 components, 14 distinct parts.

QtyPartRefs
1
MAX17048
U1
1
ME6211C33M5
U2
1
TP4056-42-ESOP8
U3
1
IRLML6401
Q1
1
USB_C_Receptacle_PowerOnly_6P
J1
1
JST_2mm_LiPo
J2
1
10K
RV1
1
B5818WS
D1
3
0.1uF
C1, C2, C5
4
10uF
C3, C4, C6, C7
6
10K
R1, R4, R5, R6, R8, R9
2
5.1K
R2, R3
2
100K
R7, R10
1
1K
R11

Li-Po-Charger design files

The KiCad project lives in the valeronm/Li-Po-Charger repository on GitHub; these links point at the commit this page was built from.

Li-Po-Charger: common questions

How big is the Li-Po-Charger PCB?

The Li-Po-Charger measures 40 × 23 mm, has 2 copper layers and is 1 mm thick.

How many components are on the Li-Po-Charger?

26 components, from 14 distinct parts. The full bill of materials is listed on this page.

Where can I download the Li-Po-Charger design files?

From the valeronm/Li-Po-Charger repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Li-Po-Charger design in my own project?

Yes, under the terms of its MIT license, which valeronm chose for the repository.

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