Solar MPPT Power System

by TylerK

A 30 W solar battery charger with regulated 5 V and 3.3 V rails: an STM32G031 running perturb & observe MPPT and a CC/CV charge state machine, steering a TI LM5175 4-switch buck-boost through a single analog control input. Four-layer KiCad board, schematic and PCB generated from Python, with an electrothermal simulation run against the published board file.

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History of `docs/hero.png`

13 commits ← Back to file

Update 51 file(s)

TylerK · 805d738 · 1mo ago

Update 51 file(s)

TylerK · 5951069 · 1mo ago

Update 50 file(s)

TylerK · d5ee8bd · 1mo ago

Update 50 file(s)

TylerK · c277d7d · 1mo ago

Update 59 file(s)

TylerK · 3b69d9a · 1mo ago

Revision 4: first-build audit. Bypass caps assigned to their own supply pin (worst distance 62.5mm -> 10.0mm), signal v…

TylerK · daee549 · 1mo ago

Revision 3: doubled the final width targets and gave every resistance-dominated case its own parallel path. 2,785 segme…

TylerK · 8c11b49 · 1mo ago

Board update: 4 unconnected items (from 13), 0 electrical and 0 mechanical DRC findings, silkscreen findings 73 -> 10;…

TylerK · 337e32d · 1mo ago

Hero re-exported at the 16:10 standard (1920x1200)

TylerK · 5fd196c · 1mo ago

Rev 2: full re-place and re-route -- 0 different-net electrical defects and 0 mechanical defects (rev 1 had 86 genuine…

TylerK · 5e9e6ad · 1mo ago

Clean up wiki page: prioritize simulation-driven copper fixes over old-board comparisons, trim old-board framing throug…

TylerK · 2906034 · 1mo ago

Replace discrete-analog board with MCU/IC redesign: STM32G031 P&O MPPT + CC/CV firmware, LM5175 buck-boost, INA180 curr…

TylerK · e48ba30 · 1mo ago

Publish 1.0.0

TylerK · 9d36a4a · 1mo ago

History of docs/hero.png

History of `docs/hero.png`