HardLabs

Mppt

MadsRudolph·62768-energy-system·hardware/kicad/boards/mppt/mppt.kicad_pcb

Mppt PCB layout, top view — open source AVR/Arduino board by MadsRudolph

About the Mppt PCB

Mppt is an open source AVR/Arduino PCB design by MadsRudolph, published on GitHub. It is a 2-layer board measuring 104 × 104 mm, with 21 components from 16 distinct parts.

Its main chip is the sense -> Arduino, from the AVR/Arduino family. Other key parts include the LM358. By type, the board carries 8 resistors, 6 capacitors, 3 connectors, 1 IC, 1 transistor and 1 diode.

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

From the project

Alle 7 system-boards, produktionsfiler til XTool-fiberlaseren og hele genererings-pipelinen. Status og produktionsplan: se ../../PCBRESULTS.md og production/README.md.**

Alle 7 system-boards, produktionsfiler til XTool-fiberlaseren og hele genererings-pipelinen. Status og produktionsplan: se ../../PCBRESULTS.md og production/README.md.**

buck · boost · drivecircuit · feedbackcircuit · rectifier · mppt · currentsense`

Designregler (fiberlaser-guiden): bane 1.0 mm, clearance 0.8 mm — ligger i hvert boards .kicadpro`, så GUI-routing automatisk overholder dem. Komponentnavne er graveret som kobber-tekst på B.Cu.

Main components on the Mppt

LM358

Mppt bill of materials (BOM)

21 components, 16 distinct parts.

QtyPartRefs
1
LM358
U1
1
TIP41A
Q1
1
PV ind
J1
1
til lager (V3)
J2
1
sense -> Arduino
J3
1
BZX55C5V1
DZ1
1
1N5817
D1
3
4700u/50V
C1, C2, C3
2
100n
C4, C6
1
47u
C5
1
100k
R1
1
22k6
R2
1
4k75
R3
2
1k00
R4, R7
2
1R00
R5, R6
1
9k09
R8

Mppt design files

The KiCad project lives in the MadsRudolph/62768-energy-system repository on GitHub; these links point at the commit this page was built from.

Mppt: common questions

What microcontroller does the Mppt use?

The Mppt is built around the sense -> Arduino, from the AVR/Arduino family.

How big is the Mppt PCB?

The Mppt measures 104 × 104 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mppt?

21 components, from 16 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mppt design files?

From the MadsRudolph/62768-energy-system repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Mppt design in my own project?

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

Can I test firmware for the Mppt 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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