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docs: Update unreleased changes in changelog and README

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- Fixed USB hub controller (U401/CH334): XO pin connected to GND for crystal-less operation
- Fixed DC/DC converter (U202/XR76208): Enable circuit changed to Zener diode for 12V operation
- Fixed USB outputs: Replaced fuses with TPS2557 power distribution switches for backfeed protection
This commit is contained in:
Eduard Iten
2025-12-23 07:27:59 +01:00
parent 2350a0b4e5
commit 5615fff072
17 changed files with 10132 additions and 8119 deletions
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521
power.kicad_sch
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