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Added TLV431 series. Added TLVH431 series. Added TLVH432 series. Corrected footprint filters for TL431 and TL432.

Steve Bollinger requested to merge mail4steveb/kicad-symbols:branch-expandandcorrect431series into master

Added TLV431 series. Added TLVH431 series. Added TLVH432 series. These are all voltage references and go in the Reference_Voltage library.

All are from TI parts list and link to TI datasheets (using HTTPS as that seems to be offical from TI). Corrected footprint filters for some existing TL431 and TL432 parts. I applied the following rules from the library conventions:

  1. Use ? to replace - and _ in match strings. Some strings previously used * (like TO-89)
  2. Include a specification for the number of pins when the number of pins in the footprint does not match the number of pins in the symbol.
  3. Do not include a specification for the number of pins when the number of pins in the footprint matches the number of pins in the symbol.

rule 1 affected: KTP (TO-252) LP (TO-92) PK (SOT-89)

rule 2 affected: DCK (SC-70-6) P (PDIP-8) PS (MSOP-8) PW (TSSOP-8)

rule 3 affected: No existing symbols had this issue but I kept it in mind when making new symbols.

All done in KiCAD 8.0.1.

This change includes no new footprints or new symbols. Every symbol is either a copy of an existing TL431 symbol or is marked as "derived from" an existing symbol. So no new symbols needed to be drawn. Every footprint used already existed.

I am currently looking to see where these referenced check scripts are. Obviously I have not run them yet as I didn't find them. I will look after submitting this and submit a revision (if necessary) within 24 hours or a notation that none was needed.

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