Z parts
fl4p·Fugu2
About the Z parts PCB
Z parts is an open source PCB design by fl4p, published on GitHub. It is a 2-layer board measuring 20.7 × 30.2 mm, with 14 components from 8 distinct parts.
Other key parts include the INA226AIDGSR and ADS333. By type, the board carries 8 resistors, 4 capacitors and 2 ICs.
It belongs with the power & battery designs in this gallery.
From the project
Links: git | kicanvas | cadlab | docs | pdf schematics | IBOM (TODO) | firmware | additional docs & resources
Links: git | kicanvas | cadlab | docs | pdf schematics | IBOM (TODO) | firmware | additional docs & resources
Solar input voltage: 12 ~ 80V (higher voltage configurations possible, please create an issue if you need help with component selection) Battery output voltage: 12 ~ 60V (LiFePo4 4s ~ 16s) Max output current: 32 A Boost operation with input and output terminals swapped Efficiency Measurements Vin=72 Vout=27 Iout=32A: 98.17% (measured with INA228 & Riedon SSA-100, smart-shunt) * Vin=71.5 Vout=27.1 Iout=29.1A: 98.12% (measured with INA228, Riedon RSN20-50, DCCT DS200ID, details)

Main components on the Z parts
Z parts bill of materials (BOM)
14 components, 8 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | INA226AIDGSR INA226 | VSSOP-10_3x3mm_P0.5mm | U3 |
| 1 | ADS333 | SOT-353_SC-70-5 | U6 |
| 1 | 470nF, 25V | C_0805_2012Metric | C23 |
| 1 | 10nF, 50V | C_0805_2012Metric | C24 |
| 2 | 100nF, 25V | C_0805_2012Metric | C25, C29 |
| 2 | 22 | R_0805_2012Metric | R25, R27 |
| 2 | 47k 1% 47k, 1% | R_0805_2012Metric | R28, R29 |
| 4 | R_Small | R_0805_2012Metric | R39, R40, R41, R42 |
Z parts design files
The KiCad project lives in the fl4p/Fugu2 repository on GitHub; these links point at the commit this page was built from.
Z parts: common questions
How big is the Z parts PCB?
The Z parts measures 20.7 × 30.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Z parts?
14 components, from 8 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 Z parts design files?
From the fl4p/Fugu2 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Z parts design in my own project?
The repository has no license, so all rights stay with fl4p. Use it as a reference, and ask the author before reusing the design.
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