HardLabs

EV Charger

fotherja·EV_Charger·KiCad_Files/EV_Charger2.kicad_pcb

EV Charger PCB layout, top view — open source AVR/Arduino board by fotherja
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About the EV Charger PCB

EV Charger is an open source AVR/Arduino PCB design by fotherja, published on GitHub under the MIT license. It is a 2-layer board measuring 118 × 103.5 mm, with 53 components from 32 distinct parts.

Its main chip is the ARDUINO_PRO_MINI, from the AVR/Arduino family. Other key parts include the OP07, LM358, LM317_TO-220 and LM337_TO220. By type, the board carries 20 resistors, 9 capacitors, 7 diodes, 5 ICs, 3 connectors and 2 transistors.

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

From the project

Arduino Uno Code for EV Charger

This project is documented in detail here: https://jamesfotherby.com/index-page/electric-vehicle-charger/

Main components on the EV Charger

ARDUINO_PRO_MINIOP07LM358LM317_TO-220LM337_TO220

EV Charger bill of materials (BOM)

53 components, 32 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ARDUINO_PRO_MINI
U1
1
OP07
U2
1
LM358
U3
1
LM317_TO-220
U5
1
LM337_TO220
U6
2
BC337
Q1, Q2
2
Conn_01x04
J1, J2
1
Screw_Terminal_01x02
J3
1
Fuse
F1
2
T9VV1K15-12S
K1, K2
1
RAC10-15DK_277
PS1
2
5K
RV1, RV2
1
P6KE16CA
TVS1
4
1N4148
D1, D2, D5, D6
3
1N749A 4.3V Zener
D3, D4, D7
1
1nF
C1
1
220nF
C2
1
2.2uF
C3
2
100uF
C4, C5
2
100nf
C6, C7
Show 12 more
QtyPartRefs
2
10uF
C8, C9
3
1K
R1, R8, R12
3
100K
R2, R7, R9
2
2.2K
R3, R17
2
47K
R4, R10
2
10K
R5, R6
1
1K
R11
2
68R
R13, R14
2
470R
R15, R16
1
240R
R18
1
120R
R19
1
22K
R20

EV Charger design files

The KiCad project lives in the fotherja/EV_Charger repository on GitHub; these links point at the commit this page was built from.

EV Charger: common questions

What microcontroller does the EV Charger use?

The EV Charger is built around the ARDUINO_PRO_MINI, from the AVR/Arduino family.

How big is the EV Charger PCB?

The EV Charger measures 118 × 103.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the EV Charger?

53 components, from 32 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 EV Charger design files?

From the fotherja/EV_Charger repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the EV Charger design in my own project?

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

Can I test firmware for the EV Charger without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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