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HTSSOP-44_6.1x14mm_P0.635mm_TopEP4.14x7.01mm

evanshultz requested to merge github/fork/evanshultz/htssop-44-topep into master

https://www.ti.com/lit/ds/symlink/tpa3251.pdf image

Naming for footprints with a top EP is finally settled in the last comment at https://github.com/KiCad/kicad-footprints/issues/955, so I can submit this.

Generated with the following, but since top EP isn't really supported yet I didn't make a PR. I can properly support that later with a script update so that a custom name isn't required:

HTSSOP-44_6.1x14.0mm_P0.5mm_TopEP4.14x7.01mm:
  size_source: 'http://www.ti.com/lit/ds/symlink/tpa3251.pdf#page=38'
  custom_name_format: 'HTSSOP-{pincount}_{size_x:g}x{size_y:g}mm_P{pitch}mm_TopEP4.14x7.01mm'
  body_size_x:
    minimum: 6.0
    maximum: 6.2
  body_size_y:
    minimum: 13.9
    maximum: 14.1
  overall_size_y:
    minimum: 7.9
    maximum: 8.3
  lead_width:
    minimum: 0.17
    maximum: 0.27
  lead_len:
    minimum: 0.5
    maximum: 0.75
  pitch: 0.635
  num_pins_y: 22
  num_pins_x: 0
  top_heatsink:
    x: 4.14
    y: 7.01

Symbol PR: https://github.com/KiCad/kicad-symbols/pull/2003

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