Hey all
Scratching my head here. I started to test a new build today, very similar to previous builds i’ve done.
1 ElectroMage Buck converter
1 PBXL
1 Output expander
The Buck converter is just there to power the PB. The WS2815 LEDS are on their own 12v power runs (common ground).
The 12 volt from an AC/DC power supply, passes through a 2a fuse and on to the buck converter.
I checked all my power runs before powering up, made sure the supply was sending 12v out.
Turned it on and the buck converter started smoking.
I checked the wiring on the converter — the in and out wires are correct, good ground connection, good solder joints, no solder spills shorting the connections.
The ws2815 strips were not connected to power during this. The data lines were. There was nothing drawing power beyond the PB/OE.
Am i missing something super obvious? @wizard seems unlikely, but could i have gotten a bad converter?
I built three systems very similar to this last year and they all work fine.
Your ideas are appreciated.
-andy