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L6390D - changes to VBO_thON & VBO_thOFF ???

Question asked by saunders.john.002 on Jun 3, 2013
Latest reply on Jul 2, 2013 by lauria.michele
We have noticed a recent change in the operation of our L6390D motor driver circuit that has been in use for 3-4 years.  I see that the data sheet was updated in July 2012 with respect to VBO_thON and VBO_thOFF as well as other parameters. Can anyone tell me: 1) what has changed in this IC since its original design? 2) What are all of the PCNs that pertain to this IC (I can't find them on the web) 3) How do I interpret the date code or fab code on the ICs?  (for example, what does "91H3102" mean on the 2nd line of the IC pkg?)