2 layers18.9 × 8.4 mm
Bat charger bq25170
fl4p/bat-charger-bq25170
Tiny battery charger featuring BQ25170. Output voltage and current programmable through resistors.
12 parts
Open-source KiCad boards
7 match “fl4p”Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.
- 2 layers
Z parts
fl4p/Fugu2
Links: git | kicanvas | cadlab | docs | pdf schematics | IBOM (TODO) | firmware | additional docs & resources
14 parts24 - 2 layers9 × 12.5 mm
Buck tpsm33610
fl4p/buck-tpsm33610
3-36 V to 3.3 V, 1 A break-out for the TI TPSM33610S3Q buck module. 2-layer, 9.01 x 12.525 mm, fully generated from Python. UNBUILT.
17 parts - 4 layers145 × 80 mm
Shunt reversal noadc
fl4p/shunt-reversal
MOSFET H-bridge current-reversal switch for shunt thermal-EMF cancellation. Script-generated KiCad. NOT RELEASED - see DESIGN.md section 12.
75 parts - 4 layers145 × 80 mm
Shunt reversal freerouting source
fl4p/shunt-reversal
MOSFET H-bridge current-reversal switch for shunt thermal-EMF cancellation. Script-generated KiCad. NOT RELEASED - see DESIGN.md section 12.
100 parts - 4 layers94.5 × 80.5 mm
ReboostV2.1 fixed
fl4p/dcdc-parasitics
KiCad → FastHenry extractor for half-bridge power-stage parasitics (commutation-loop L, common-source inductance, gate-loop L/R) → SPICE subckt + SVG schematic
184 parts - 2 layers58.5 × 88 mm
Fugu2
fl4p/Fugu2
Links: git | kicanvas | cadlab | docs | pdf schematics | IBOM (TODO) | firmware | additional docs & resources
147 parts24