Scripted version for LQFP-144, 160 and 176

Script PR: https://github.com/pointhi/kicad-footprint-generator/pull/245

LQFP-144_20x20mm_P0.5mm:

datasheet: http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf (page 426)

LQFP-144_20x20mm_P0.5mm:
  size_source: 'http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf (page 426)'
  body_size_x:
    nominal: 20
  body_size_y:
    nominal: 20
  overall_size_x:
    nominal: 22
  overall_size_y:
    nominal: 22
  lead_width:
    minimum: 0.17
    nominal: 0.22
    maximum: 0.27
  lead_len:
    minimum: 0.45
    nominal: 0.6
    maximum: 0.75
  pitch: 0.5
  num_pins_x: 36
  num_pins_y: 36

LQFP-160_24x24mm_P0.5mm:

datasheet: 'https://www.nxp.com/docs/en/package-information/SOT435-1.pdf

LQFP-160_24x24mm_P0.5mm:
  size_source: 'https://www.nxp.com/docs/en/package-information/SOT435-1.pdf'
  body_size_x:
    minimum: 23.9
    maximum: 24.1
  body_size_y:
    minimum: 23.9
    maximum: 24.1
  overall_size_x:
    minimum: 25.85
    maximum: 26.15
  overall_size_y:
    minimum: 25.85
    maximum: 26.15
  lead_width:
    minimum: 0.17
    maximum: 0.27
  lead_len:
    minimum: 0.45
    maximum: 0.75
  pitch: 0.5
  num_pins_x: 40
  num_pins_y: 40

LQFP-176_20x20mm_P0.4mm:

datasheet: 'https://www.onsemi.com/pub/Collateral/566DB.PDF

LQFP-176_20x20mm_P0.4mm:
  size_source: 'https://www.onsemi.com/pub/Collateral/566DB.PDF'
  body_size_x:
    nominal: 20
    tolerance: 0.1
  body_size_y:
    nominal: 20
    tolerance: 0.1
  overall_size_x:
    nominal: 22
    tolerance: 0.2
  overall_size_y:
    nominal: 22
    tolerance: 0.2
  lead_width:
    nominal: 0.15
    tolerance: [0.04, 0.05]
  lead_len:
    nominal: 0.5
    tolerance: 0.2
  pitch: 0.4
  num_pins_x: 44
  num_pins_y: 44

LQFP-176_24x24mm_P0.5mm:

datasheet: 'https://www.st.com/resource/en/datasheet/stm32f207vg.pdf (page 163)

LQFP-176_24x24mm_P0.5mm:
  size_source: 'https://www.st.com/resource/en/datasheet/stm32f207vg.pdf (page 163)'
  body_size_x:
    minimum: 23.9
    maximum: 24.1
  body_size_y:
    minimum: 23.9
    maximum: 24.1
  overall_size_x:
    minimum: 25.9
    maximum: 26.1
  overall_size_y:
    minimum: 25.9
    maximum: 26.1
  lead_width:
    minimum: 0.17
    maximum: 0.27
  lead_len:
    minimum: 0.45
    maximum: 0.75
  pitch: 0.5
  num_pins_x: 44
  num_pins_y: 44