This was an A-C cables, which means it was used to charge the laptop, not to power something from the laptop.
Current limiting doesn't magically protect powered devices from voltage reversal (-5V instead of +5V), so both the laptop and power delivery analyzer went poof.
They may have taken enough current to trip charger's current limiter, but then it was a bit too late.
Current limiting doesn't magically protect powered devices from voltage reversal (-5V instead of +5V), so both the laptop and power delivery analyzer went poof.
They may have taken enough current to trip charger's current limiter, but then it was a bit too late.