Forum Discussion
Altera_Forum
Honored Contributor
14 years agoEMP1270 BGA burning up
On a new design we have a repeated problem that the EMP1270 developes a short between pwr and gnd and smokes. Single 3.3v supply operation, all other devices on board on same supply. The only exposed...
Altera_Forum
Honored Contributor
14 years ago --- Quote Start --- I am in the process of adding a 3.6V zenar diode to the board to try and clamp any 3.3v supply overshoot --- Quote End --- Basically a good idea. There must be more than a light overshoot to cause a power supply short, so I still wonder how you managed it. Are any I/O pins shorted in your design, so that switching the wrong outputs can possibly cause massive short circuit currents?