ESP32-Lipo-Powersupply

pierretek·ESP32-Lipo-Powersupply·kicad/chargingCircuit.kicad_pcb

ESP32-Lipo-Powersupply PCB layout, top view — open source board by pierretek
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About the ESP32-Lipo-Powersupply PCB

ESP32-Lipo-Powersupply is an open source PCB design by pierretek, published on GitHub. It is a 2-layer board measuring 29.7 × 47.6 mm, with 35 components from 23 distinct parts.

Other key parts include the BQ24070_CHG, BQ29700_PROT, TPS63001DRCR and JST_XH_2.544MM. By type, the board carries 12 capacitors, 12 resistors, 4 ICs, 2 connectors, 2 diodes and 1 transistor.

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

From the project

PCB files for a lithium battery charging circuit and ESP32 power supply

A 3.7V LiPo battery charging circuit coupled with a buck-boost converter to provide steady 3.3V for an ESP32

ESP32-Lipo-Powersupply, from the project README
From the project README

Main components on the ESP32-Lipo-Powersupply

ESP32-Lipo-Powersupply bill of materials (BOM)

35 components, 23 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
BQ24070_CHG
Texas Instruments
U1
1
BQ29700_PROT
Texas Instruments
U2
1
TPS63001DRCR
Texas Instruments
U3
1
JST_XH_2.544MM
JST_XH_2.544mm
JST
U4
1
FS8205A_DMOSFET
FUXINSEMI
Q1
2
CONN_01X15_SOCKET
Conn_01x15_Socket
J2, J3
1
TYPE-C-31-M-12
Korean Hroparts Elec
USBC1
1
RED
D1
1
YELLOW
D2
1
2.2UH
2.2uH
L1
4
10UF
10uF
C1, C7, C10, C11
6
0.1UF
0.1uF
C2, C3, C4, C6, C8, C9
1
33UF
33uF
C5
1
10NF
10nF
C12
2
1k
R4, R5
1
2k
R6
1
50K
50k
R7
2
100K
100k
R8, R10
1
10K
10k
R9
1
330
R11
Show 3 more
QtyPartRefs
1
2.2K
2.2k
R12
2
5.1K
5.1k
R13, R14
1
1M
R15

ESP32-Lipo-Powersupply design files

The KiCad project lives in the pierretek/ESP32-Lipo-Powersupply repository on GitHub; these links point at the commit this page was built from.

ESP32-Lipo-Powersupply: common questions

How big is the ESP32-Lipo-Powersupply PCB?

The ESP32-Lipo-Powersupply measures 29.7 × 47.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ESP32-Lipo-Powersupply?

35 components, from 23 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 ESP32-Lipo-Powersupply design files?

From the pierretek/ESP32-Lipo-Powersupply 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 ESP32-Lipo-Powersupply design in my own project?

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

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