Designing Smart AC PDU

flux

I reviewed the uploaded Claude spec and worklist. I would not ingest it blindly because it conflicts with our current project spec in several important places:
  1. MCU conflict
    • Current spec: PSB3014, 87-BGA.
    • Claude spec: PSB3112, 68-DRQFN.
    • This is a major architecture/package change and needs your approval before schematic.
  2. Current transformer conflict
    • Current spec: Triad CST-1020.
    • Claude spec/worklist: Talema AC-1020.
    • Talema may be better thermally, but we need to verify UL file, ratio, footprint, accuracy, phase, and stock before replacing CST-1020.
  3. Power tree changed
    • Current spec has +12 V and +3.3 V.
    • Claude adds a dedicated +5 V LED buck and USB/debug/service additions. Reasonable, but not previously committed.
  4. Schematic capture order is good
    • I agree with Claude’s 12-sheet structure and with capturing Sheet 1: AC input & protection first after reconciliation.
Recommended next step: I should create a short spec reconciliation checklist and then update the canonical project spec to either adopt or reject Claude’s changes. The key decision needed from you first is:
Do you want to switch from PSB3014 to PSB3112, or keep PSB3014 as originally selected?
G

gabekassel

Keep PSB3014 and reject the PSB3112 change unless you find a strong reason to switch.

flux

Understood — I’ll keep PSB3014 as the canonical MCU and mark the PSB3112 change from the Claude spec as rejected unless future verification shows a compelling reason to switch.

flux

Confirmed and documented: PSB3014 remains the canonical MCU, and the Claude-spec PSB3112 migration is rejected unless future evidence gives a strong reason to switch.
Updated:
Next best step: rebuild the MCU pin assignment for PSB3014, then continue reconciling CT choice, ADC clock source, and LED/power architecture before Sheet 1 schematic capture.
Rebuild PSB3014 pins
Verify CT options
Finish ADC clock
Reconcile LED power
Prepare Sheet 1
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