piclist 2000\12\31\154556a >
Thread: 16F877 draws huge current with minimal design
face BY : Dan Michaels email (remove spam text)

Jake  wrote:
 I've tried connecting pin 11
>to +5, 12 to GND; pin 32 to +5, 31 to GND; and both 11 and 32 to +5, 12 and
>31 to GND.  All configurations have the same effect:  The chip draws about
>an amp and heats up.  It really is like there is an internal short between
>pins 11-12 and 32-31.  But I'm quite baffled what would cause such a thing.
>Maybe I unknowingly sparked it, and the surge caused a short of some kind?

Have you tried sticking your ohmmeter across the chip Vdd and
Vss pins - out of circuit?

http://www.piclist.com#nomail Going offline? Don't AutoReply us!
email TakeThisOuTlistservEraseMEspammitvma.mit.edu with SET PICList DIGEST in the body


See also: www.piclist.com/techref/power.htm?key=current
Reply You must be a member of the piclist mailing list (not only a www.piclist.com member) to post to the piclist. This form requires JavaScript and a browser/email client that can handle form mailto: posts.
Subject (change) 16F877 draws huge current with minimal design

month overview.

new search...