On Sun, Sep 16, 2012 at 7:28 PM, Wojciech Zabolotny wrote= : > The post mortem diagnosis showed, that possibly the capacitor at the > output of the MCP1640 was incorrectly soldered and got disconnected. > Has anybody experienced similar problems with MCP1640? > Is it possible, that temporary disconnection of the output capacitor > was the only reason why MCP1640 "exploded"? > I'm using the MCP1640B in a design and have also had the "explosion" where, literally, some of the pins of the chip jumped off the board traces and magic blue smoke came out. It was a polarity issue in my case, traced back to a reversed battery connector, although the supply voltage was never greater than 5vdc. They're great little chips, but they do seem to not take abuse well ;) -m --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .