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No Markings in L6390, L6386

Question asked by raj.sathish on Jul 26, 2013
Latest reply on Aug 1, 2013 by Cristiana Scaramel
We bought IGBT driver ICs, from element14.. L6388ED, L6390, L6386...all those ICs dont have any markings to find, which pin is No.1. Usually all ICs have dot mark to indicate PIN.NO.1, or U mark at the top of IC.
But the ST driver ICs dont have any markings.
I soldered IC L6388ED and given the supply by assuming pin numbers, in both direction. Its not working. I think that IC is damaged due to mis-numbering of PIN-OUT.

Help me to find PIN-OUT..ST-Driver.pngL6390_2.pngL6390.png