(kicad_sch (version 20211123) (generator eeschema)

  (uuid c6455696-ecff-4085-963f-dd3f0da246c1)

  (paper "A4")

  (lib_symbols
    (symbol "Connector:Conn_01x02_Male" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
      (property "Reference" "J" (id 0) (at 0 2.54 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "Conn_01x02_Male" (id 1) (at 0 -5.08 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (id 2) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "~" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "connector" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "Connector*:*_1x??_*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "Conn_01x02_Male_1_1"
        (polyline
          (pts
            (xy 1.27 -2.54)
            (xy 0.8636 -2.54)
          )
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.27 0)
            (xy 0.8636 0)
          )
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (rectangle (start 0.8636 -2.413) (end 0 -2.667)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (rectangle (start 0.8636 0.127) (end 0 -0.127)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (pin passive line (at 5.08 0 180) (length 3.81)
          (name "Pin_1" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 5.08 -2.54 180) (length 3.81)
          (name "Pin_2" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "power:+5V" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (id 0) (at 0 -3.81 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Value" "+5V" (id 1) (at 0 3.556 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (id 2) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "power-flag" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Power symbol creates a global label with name \"+5V\"" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "+5V_0_1"
        (polyline
          (pts
            (xy -0.762 1.27)
            (xy 0 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 2.54)
            (xy 0.762 1.27)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "+5V_1_1"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "+5V" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "power:GND" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (id 0) (at 0 -6.35 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Value" "GND" (id 1) (at 0 -3.81 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (id 2) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "power-flag" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Power symbol creates a global label with name \"GND\" , ground" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "GND_0_1"
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -1.27)
            (xy 1.27 -1.27)
            (xy 0 -2.54)
            (xy -1.27 -1.27)
            (xy 0 -1.27)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "GND_1_1"
        (pin power_in line (at 0 0 270) (length 0) hide
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
      )
    )
  )

  (junction (at 39.37 57.15) (diameter 0) (color 0 0 0 0)
    (uuid 12c39bb2-af24-49ac-925c-ff97c6ab4152)
  )
  (junction (at 66.04 57.15) (diameter 0) (color 0 0 0 0)
    (uuid 19374bfb-78f1-4993-b009-c9152cb9cc13)
  )
  (junction (at 52.07 66.04) (diameter 0) (color 0 0 0 0)
    (uuid 23f03db7-6a79-4e2a-99fa-80902681f415)
  )
  (junction (at 39.37 66.04) (diameter 0) (color 0 0 0 0)
    (uuid b0aeb7cd-a793-4bee-a284-cbefcf869053)
  )
  (junction (at 66.04 66.04) (diameter 0) (color 0 0 0 0)
    (uuid c370cdd7-c3df-4919-920e-53440c228c51)
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  (wire (pts (xy 52.07 66.04) (xy 66.04 66.04))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 02966573-a091-40d2-beaf-17bc07f39153)
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  (wire (pts (xy 39.37 66.04) (xy 39.37 68.58))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 0d21cb26-2459-4419-9a27-7f0c68bc8efa)
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  (wire (pts (xy 39.37 66.04) (xy 52.07 66.04))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 1b16e7e1-dfbe-4dc6-b364-0677cc7a0ccb)
  )
  (wire (pts (xy 66.04 66.04) (xy 66.04 68.58))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 2468c63c-1381-480c-b3df-0240f25798ae)
  )
  (wire (pts (xy 36.83 66.04) (xy 39.37 66.04))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 26dc7430-1ec0-4afc-a0a7-ede02fd7a037)
  )
  (wire (pts (xy 36.83 59.69) (xy 39.37 59.69))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 5cd7dc11-26b8-4a6a-b111-f66ff81c366a)
  )
  (wire (pts (xy 66.04 57.15) (xy 66.04 59.69))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 6be83d43-d476-4bc1-99ed-343f17b88f35)
  )
  (wire (pts (xy 39.37 57.15) (xy 41.91 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 7b966776-0621-486c-9bf2-158d9cdb5939)
  )
  (wire (pts (xy 66.04 66.04) (xy 68.58 66.04))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 83df64e8-49fc-490a-81d2-52a4aac53394)
  )
  (wire (pts (xy 36.83 68.58) (xy 39.37 68.58))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 9a50dce7-3d86-4ba8-acc3-b8eb80859ddd)
  )
  (wire (pts (xy 68.58 68.58) (xy 66.04 68.58))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 9e0fbb2c-7135-47ee-bdb9-3a5e7ed8190c)
  )
  (wire (pts (xy 66.04 57.15) (xy 68.58 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid aa88ddc4-ff87-4f08-8029-54daa8b3ffe2)
  )
  (wire (pts (xy 52.07 66.04) (xy 52.07 71.12))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid acddfa09-0574-4dc9-9ff9-73709e4bd1c8)
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  (wire (pts (xy 63.5 57.15) (xy 66.04 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid b6d0cdf0-555c-444c-99c0-d5952b5dd288)
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  (wire (pts (xy 39.37 59.69) (xy 39.37 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid be171ad1-756d-4c35-87ad-5970e989b2d7)
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  (wire (pts (xy 36.83 57.15) (xy 39.37 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid d73fb421-19e9-4c6d-baee-bd21cb974c1e)
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  (wire (pts (xy 66.04 59.69) (xy 68.58 59.69))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid f810a1ff-3b08-450e-8adb-060028febfbb)
  )

  (global_label "Vin" (shape input) (at 41.91 57.15 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 32c3dcf5-f170-4379-aca8-c67b9b5c3ef4)
    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 47.1655 57.0706 0)
      (effects (font (size 1.27 1.27)) (justify left) hide)
    )
  )

  (symbol (lib_id "power:GND") (at 52.07 71.12 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 725ee5c4-e0af-4dc5-95c5-7d64e22bb0a5)
    (property "Reference" "#PWR0102" (id 0) (at 52.07 77.47 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 52.07 75.5634 0))
    (property "Footprint" "" (id 2) (at 52.07 71.12 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 52.07 71.12 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid a21b155f-883e-439c-8565-77542ef5c4a6))
  )

  (symbol (lib_id "power:+5V") (at 63.5 57.15 90) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 79c9ada2-181a-4d48-870f-0ffb5f2513ac)
    (property "Reference" "#PWR0101" (id 0) (at 67.31 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+5V" (id 1) (at 60.3251 57.5838 90)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (id 2) (at 63.5 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 63.5 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 892ec650-f9c4-4634-8df8-9aad90665704))
  )

  (symbol (lib_id "Connector:Conn_01x02_Male") (at 31.75 66.04 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 906bb5f3-0a89-41f4-be94-1bfadaa31cd3)
    (property "Reference" "J2" (id 0) (at 32.385 62.264 0))
    (property "Value" "IN-" (id 1) (at 32.385 64.8009 0))
    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" (id 2) (at 31.75 66.04 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 31.75 66.04 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7e1ba848-e7d0-439b-a76d-d3327e04da3c))
    (pin "2" (uuid 42722576-b2cc-47f8-b1d6-cd0462a65f13))
  )

  (symbol (lib_id "Connector:Conn_01x02_Male") (at 73.66 68.58 180) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid a1dac8e7-639e-457c-8650-525207782ce8)
    (property "Reference" "J4" (id 0) (at 72.39 62.23 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Value" "OUT-" (id 1) (at 71.12 64.77 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" (id 2) (at 73.66 68.58 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 73.66 68.58 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 207bdaca-2507-4bf2-9315-3ce146566ace))
    (pin "2" (uuid 83436c02-859d-4947-8df1-914e21039b4b))
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  (symbol (lib_id "Connector:Conn_01x02_Male") (at 31.75 57.15 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid c8864a68-a9b1-4e46-bc14-da2d5ddf6630)
    (property "Reference" "J1" (id 0) (at 32.385 53.374 0))
    (property "Value" "IN+" (id 1) (at 32.385 55.9109 0))
    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" (id 2) (at 31.75 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 31.75 57.15 0)
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    )
    (pin "1" (uuid fe8ff000-dc5f-4e8b-9dff-cbf45bfcb05b))
    (pin "2" (uuid d5cbd367-00c8-49bb-a45f-2771014d2f4d))
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  (symbol (lib_id "Connector:Conn_01x02_Male") (at 73.66 59.69 180) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid ed789da9-3560-404a-aeeb-86676347e63b)
    (property "Reference" "J3" (id 0) (at 73.66 53.34 0))
    (property "Value" "OUT+" (id 1) (at 73.66 55.88 0))
    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" (id 2) (at 73.66 59.69 0)
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    (property "Datasheet" "~" (id 3) (at 73.66 59.69 0)
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    (pin "1" (uuid 4930ae01-6558-4569-b309-4761488fce72))
    (pin "2" (uuid aee831bd-376a-4922-a94b-080c823748ad))
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  (sheet (at 26.67 27.94) (size 25.4 13.97) (fields_autoplaced)
    (stroke (width 0.1524) (type solid) (color 0 0 0 0))
    (fill (color 0 0 0 0.0000))
    (uuid 315c42a9-8023-4337-9b6b-be7dd3207ac1)
    (property "Sheet name" "Buck Converter" (id 0) (at 26.67 27.2284 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Sheet file" "../buck.kicad_sch" (id 1) (at 26.67 42.4946 0)
      (effects (font (size 1.27 1.27)) (justify left top))
    )
  )

  (sheet_instances
    (path "/" (page "1"))
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1" (page "2"))
  )

  (symbol_instances
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      (reference "#PWR0101") (unit 1) (value "+5V") (footprint "")
    )
    (path "/725ee5c4-e0af-4dc5-95c5-7d64e22bb0a5"
      (reference "#PWR0102") (unit 1) (value "GND") (footprint "")
    )
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/bb385de7-cba0-476d-a9c3-26e2cff1100b"
      (reference "#PWR0103") (unit 1) (value "GND") (footprint "")
    )
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/0a440287-483d-44ea-bc6f-afcdf2d14ed9"
      (reference "#PWR0104") (unit 1) (value "GND") (footprint "")
    )
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/72e6dc33-852f-481a-9ef1-ea657a9108ea"
      (reference "#PWR0105") (unit 1) (value "+5V") (footprint "")
    )
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/a6403b1a-db8c-46da-83ec-ffe62dac4991"
      (reference "C1") (unit 1) (value "22u") (footprint "Capacitor_SMD:C_1206_3216Metric")
    )
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/bbd233bf-0b30-4402-bae1-daa9fbf7e159"
      (reference "C2") (unit 1) (value "100n") (footprint "Capacitor_SMD:C_0402_1005Metric")
    )
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/909868da-f8b3-4dc0-84a5-1bfbbef49264"
      (reference "C3") (unit 1) (value "100n") (footprint "Capacitor_SMD:C_0402_1005Metric")
    )
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/a0d04005-f426-4897-923f-c01853e37238"
      (reference "C4") (unit 1) (value "22uF") (footprint "Capacitor_SMD:C_0603_1608Metric")
    )
    (path "/c8864a68-a9b1-4e46-bc14-da2d5ddf6630"
      (reference "J1") (unit 1) (value "IN+") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical")
    )
    (path "/906bb5f3-0a89-41f4-be94-1bfadaa31cd3"
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    )
    (path "/ed789da9-3560-404a-aeeb-86676347e63b"
      (reference "J3") (unit 1) (value "OUT+") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical")
    )
    (path "/a1dac8e7-639e-457c-8650-525207782ce8"
      (reference "J4") (unit 1) (value "OUT-") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical")
    )
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/5b119cf1-d292-4086-a610-cd55df7582fd"
      (reference "L1") (unit 1) (value "75u") (footprint "custom:IND-SMD_L4.0-W4.0_FNR40XXS")
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    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/24ad01c4-8dc2-4998-800d-91e071daea49"
      (reference "R1") (unit 1) (value "100k") (footprint "Resistor_SMD:R_0402_1005Metric")
    )
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/fecec9ac-803a-4b05-a81d-f62bd7bdc629"
      (reference "R2") (unit 1) (value "24k") (footprint "Resistor_SMD:R_0402_1005Metric")
    )
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/c188400f-a52c-4350-96d9-89484fd1d981"
      (reference "R3") (unit 1) (value "120k") (footprint "Resistor_SMD:R_0402_1005Metric")
    )
    (path "/315c42a9-8023-4337-9b6b-be7dd3207ac1/9f4369f9-c22c-4b84-b419-509c3ee64d02"
      (reference "U1") (unit 1) (value "TP6841S6-A") (footprint "Package_TO_SOT_SMD:SOT-23-6")
    )
  )
)