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DCDCv9-3r1.1

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@Rootthecause Rootthecause released this 12 Feb 00:42
· 62 commits to main since this release
v9-3r1.1
57aa20d

Increased spacings on coil formers. Width changed from 22 mm to 26 resulting in 2 mm more on each side. This increases creepage distance to at least 4 mm (realistically it's more than 6 mm) to better comply with EV 4.3.6 (FSG Rules 2025 v1.1) and adding more margin of error in case of looser coil winding.
Center split width on the primary coil former was decreased from 0.9 to 0.8 mm to allow 0.05 mm more space for the primary

If you've already made the coil formers with an older version, capton tape between the primary and secondary coil formers can be used to increase creepage and clearance distances.

Note: I'm not sure, if EV 4.3.6 is even applicable for enamelled HF-litz wire. The transformer/coils pass the 1 min. 3 kV RMS AC Isolation test without conformal coating with the old coil formers.

kjhk
Blue: Old Coil former

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