(kicad_sch (version 20211123) (generator eeschema) (uuid 658cbe5a-e7f5-4f80-bc14-54c2ecfeca7c) (paper "A4") (lib_symbols (symbol "Device:LED_Small" (pin_numbers hide) (pin_names (offset 0.254) hide) (in_bom yes) (on_board yes) (property "Reference" "D" (id 0) (at -1.27 3.175 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Value" "LED_Small" (id 1) (at -4.445 -2.54 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Footprint" "" (id 2) (at 0 0 90) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 0 0 90) (effects (font (size 1.27 1.27)) hide) ) (property "ki_keywords" "LED diode light-emitting-diode" (id 4) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_description" "Light emitting diode, small symbol" (id 5) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_fp_filters" "LED* LED_SMD:* LED_THT:*" (id 6) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (symbol "LED_Small_0_1" (polyline (pts (xy -0.762 -1.016) (xy -0.762 1.016) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 1.016 0) (xy -0.762 0) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.762 -1.016) (xy -0.762 0) (xy 0.762 1.016) (xy 0.762 -1.016) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0 0.762) (xy -0.508 1.27) (xy -0.254 1.27) (xy -0.508 1.27) (xy -0.508 1.016) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.508 1.27) (xy 0 1.778) (xy 0.254 1.778) (xy 0 1.778) (xy 0 1.524) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) ) (symbol "LED_Small_1_1" (pin passive line (at -2.54 0 0) (length 1.778) (name "K" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))) ) (pin passive line (at 2.54 0 180) (length 1.778) (name "A" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))) ) ) ) (symbol "Device:Q_NMOS_GDSD" (pin_names (offset 0) hide) (in_bom yes) (on_board yes) (property "Reference" "Q" (id 0) (at 5.08 1.27 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Value" "Q_NMOS_GDSD" (id 1) (at 5.08 -1.27 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Footprint" "" (id 2) (at 5.08 2.54 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" "transistor NMOS N-MOS N-MOSFET" (id 4) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_description" "N-MOSFET transistor, gate/drain/source, drain connected to mounting plane" (id 5) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (symbol "Q_NMOS_GDSD_0_1" (polyline (pts (xy 0.254 0) (xy -2.54 0) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.254 1.905) (xy 0.254 -1.905) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.762 -1.27) (xy 0.762 -2.286) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.762 0.508) (xy 0.762 -0.508) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.762 2.286) (xy 0.762 1.27) ) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 2.54 -2.54) (xy 2.54 0) (xy 0.762 0) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 5.08 2.54) (xy 2.54 2.54) (xy 2.54 1.778) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 0.762 -1.778) (xy 3.302 -1.778) (xy 3.302 1.778) (xy 0.762 1.778) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 1.016 0) (xy 2.032 0.381) (xy 2.032 -0.381) (xy 1.016 0) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type outline)) ) (polyline (pts (xy 2.794 0.508) (xy 2.921 0.381) (xy 3.683 0.381) (xy 3.81 0.254) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (polyline (pts (xy 3.302 0.381) (xy 2.921 -0.254) (xy 3.683 -0.254) (xy 3.302 0.381) ) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type none)) ) (circle (center 1.651 0) (radius 2.794) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) (circle (center 2.54 -1.778) (radius 0.254) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type outline)) ) (circle (center 2.54 1.778) (radius 0.254) (stroke (width 0) (type default) (color 0 0 0 0)) (fill (type outline)) ) ) (symbol "Q_NMOS_GDSD_1_1" (pin input line (at -5.08 0 0) (length 2.54) (name "G" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))) ) (pin passive line (at 2.54 5.08 270) (length 2.54) (name "D" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))) ) (pin passive line (at 2.54 -5.08 90) (length 2.54) (name "S" (effects (font (size 1.27 1.27)))) (number "3" (effects (font (size 1.27 1.27)))) ) (pin passive line (at 5.08 5.08 270) (length 2.54) (name "D" (effects (font (size 1.27 1.27)))) (number "4" (effects (font (size 1.27 1.27)))) ) ) ) (symbol "Device:R" (pin_numbers hide) (pin_names (offset 0)) (in_bom yes) (on_board yes) (property "Reference" "R" (id 0) (at 2.032 0 90) (effects (font (size 1.27 1.27))) ) (property "Value" "R" (id 1) (at 0 0 90) (effects (font (size 1.27 1.27))) ) (property "Footprint" "" (id 2) (at -1.778 0 90) (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" "R res resistor" (id 4) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_description" "Resistor" (id 5) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_fp_filters" "R_*" (id 6) (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (symbol "R_0_1" (rectangle (start -1.016 -2.54) (end 1.016 2.54) (stroke (width 0.254) (type default) (color 0 0 0 0)) (fill (type none)) ) ) (symbol "R_1_1" (pin passive line (at 0 3.81 270) (length 1.27) (name "~" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))) ) (pin passive line (at 0 -3.81 90) (length 1.27) (name "~" (effects (font (size 1.27 1.27)))) (number "2" (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 104.14 76.2) (diameter 0) (color 0 0 0 0) (uuid 00bad39b-e2f3-43ed-bb68-b80ef85f0b29) ) (junction (at 111.76 76.2) (diameter 0) (color 0 0 0 0) (uuid 93538109-16e1-4cde-96ce-7c0802b2e238) ) (junction (at 124.46 68.58) (diameter 0) (color 0 0 0 0) (uuid c698abea-a780-4c15-939b-1bd03b379ab9) ) (wire (pts (xy 121.92 71.12) (xy 121.92 68.58)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 12b2c4c3-d2d5-4469-95f8-28c2377f915b) ) (wire (pts (xy 111.76 76.2) (xy 111.76 78.74)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 38b85f7f-8020-4a7c-a671-f1b825aa9d3d) ) (wire (pts (xy 124.46 68.58) (xy 127 68.58)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 5d25158a-0f0c-4762-b2d3-4f1642e70431) ) (wire (pts (xy 104.14 76.2) (xy 104.14 78.74)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 6ae46c10-d334-4f3b-8139-fb8860a013fa) ) (wire (pts (xy 121.92 68.58) (xy 124.46 68.58)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 7d8dbb1a-bb72-41dc-8ed2-807bc2eb0d2e) ) (wire (pts (xy 114.3 76.2) (xy 111.76 76.2)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid 909410c5-7e76-46a9-afc8-5efd686a200c) ) (wire (pts (xy 121.92 81.28) (xy 121.92 91.44)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid b05483dd-3114-4790-b2ac-ebeb336d89e3) ) (wire (pts (xy 93.98 66.04) (xy 127 66.04)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid da726f9a-e54f-4ffb-8604-2db8d78ac9bf) ) (wire (pts (xy 104.14 76.2) (xy 111.76 76.2)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid dc995e61-efb6-4833-bbd0-edd2aebbfa20) ) (wire (pts (xy 104.14 86.36) (xy 104.14 91.44)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid e5fa9768-5247-43fc-8eab-c2f613f12c51) ) (wire (pts (xy 101.6 76.2) (xy 104.14 76.2)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid ea6ccf7c-821b-47a5-83af-2320a7de6ed7) ) (wire (pts (xy 124.46 68.58) (xy 124.46 71.12)) (stroke (width 0) (type default) (color 0 0 0 0)) (uuid ef522600-f568-4446-82f0-c702e4542a72) ) (hierarchical_label "PWM" (shape input) (at 93.98 76.2 180) (effects (font (size 1.27 1.27)) (justify right)) (uuid 2bcbc6e8-93da-4d48-bed2-97e7b1583784) ) (hierarchical_label "V_{OUT}+" (shape output) (at 127 66.04 0) (effects (font (size 1.27 1.27)) (justify left)) (uuid 5c8074eb-b699-437f-9f9a-b7d6f0379726) ) (hierarchical_label "V_{OUT}-" (shape output) (at 127 68.58 0) (effects (font (size 1.27 1.27)) (justify left)) (uuid 6b9bec98-58ab-4553-81fa-098a51870452) ) (hierarchical_label "V_{IN}" (shape input) (at 93.98 66.04 180) (effects (font (size 1.27 1.27)) (justify right)) (uuid fa45c1e1-43e9-40df-880b-c199616a450e) ) (symbol (lib_id "power:GND") (at 104.14 91.44 0) (in_bom yes) (on_board yes) (fields_autoplaced) (uuid 0c345e65-07ca-4ef9-99e2-cc5dd3caa7cd) (property "Reference" "#PWR?" (id 0) (at 104.14 97.79 0) (effects (font (size 1.27 1.27)) hide) ) (property "Value" "GND" (id 1) (at 104.14 96.0025 0)) (property "Footprint" "" (id 2) (at 104.14 91.44 0) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "" (id 3) (at 104.14 91.44 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid efb00120-20bf-4a55-addd-2dfd58d88fda)) ) (symbol (lib_id "Device:R") (at 97.79 76.2 90) (in_bom yes) (on_board yes) (uuid 10766508-fc22-4696-9225-e4be96a84ff3) (property "Reference" "R8" (id 0) (at 98.9584 77.978 0) (effects (font (size 1.27 1.27)) (justify right)) ) (property "Value" "51Ohm" (id 1) (at 96.647 77.978 0) (effects (font (size 1.27 1.27)) (justify right)) ) (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 97.79 77.978 90) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 97.79 76.2 0) (effects (font (size 1.27 1.27)) hide) ) (property "LCSC" "C23197" (id 4) (at 97.79 76.2 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid c03ce341-4266-44b0-a358-5b915747abc5)) (pin "2" (uuid 8717fab9-1ae9-42ca-bf66-705a24f88232)) ) (symbol (lib_id "Device:R") (at 104.14 82.55 180) (in_bom yes) (on_board yes) (uuid 27df373f-807a-41bc-a743-28be9deb04e6) (property "Reference" "R9" (id 0) (at 109.3978 82.55 90)) (property "Value" "12kOhm" (id 1) (at 107.0864 82.55 90)) (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 105.918 82.55 90) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 104.14 82.55 0) (effects (font (size 1.27 1.27)) hide) ) (property "LCSC" "C22790" (id 4) (at 104.14 82.55 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid 84d19078-b280-4d1d-a5d9-dcff48e8c1a7)) (pin "2" (uuid 4457130d-b077-4388-b42c-c74af2d9dee4)) ) (symbol (lib_id "power:GND") (at 111.76 91.44 0) (in_bom yes) (on_board yes) (fields_autoplaced) (uuid 29204964-a4cc-47a9-a63a-c6a59f5eaece) (property "Reference" "#PWR?" (id 0) (at 111.76 97.79 0) (effects (font (size 1.27 1.27)) hide) ) (property "Value" "GND" (id 1) (at 111.76 96.0025 0)) (property "Footprint" "" (id 2) (at 111.76 91.44 0) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "" (id 3) (at 111.76 91.44 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid cbfd2efb-2adb-4133-a5f5-b86d783e9407)) ) (symbol (lib_id "Device:R") (at 111.76 87.63 180) (in_bom yes) (on_board yes) (uuid 596997e0-0f64-4335-9c9b-75e9e2d0780c) (property "Reference" "R10" (id 0) (at 117.0178 87.63 90)) (property "Value" "470Ohm" (id 1) (at 114.7064 87.63 90)) (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 113.538 87.63 90) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 111.76 87.63 0) (effects (font (size 1.27 1.27)) hide) ) (property "LCSC" "C23179" (id 4) (at 111.76 87.63 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid 548bb468-a13e-41e7-a6b9-f73eb3b9ea63)) (pin "2" (uuid 81ed580a-8e27-406d-b7c9-133f47d2e76f)) ) (symbol (lib_id "Device:Q_NMOS_GDSD") (at 119.38 76.2 0) (in_bom yes) (on_board yes) (fields_autoplaced) (uuid 6356fe97-06cd-4a4b-b2f2-2e98498da4a1) (property "Reference" "Q3" (id 0) (at 125.095 75.2915 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Value" "Q_NMOS_GDSD" (id 1) (at 125.095 78.0666 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Footprint" "Package_TO_SOT_SMD:TO-252-3_TabPin4" (id 2) (at 124.46 73.66 0) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 119.38 76.2 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid f0305a19-1293-46c9-9810-aa49b8dab8a4)) (pin "2" (uuid 02bac189-ce88-4201-a986-e602f9553dc1)) (pin "3" (uuid 226e6848-5ca6-48e1-bb24-ee9637a3e720)) (pin "4" (uuid 45580b2c-f853-4bae-b48d-8b2b7a8c9649)) ) (symbol (lib_id "power:GND") (at 121.92 91.44 0) (in_bom yes) (on_board yes) (fields_autoplaced) (uuid 89d30dc5-826e-436b-acb9-f9172d6bf59d) (property "Reference" "#PWR?" (id 0) (at 121.92 97.79 0) (effects (font (size 1.27 1.27)) hide) ) (property "Value" "GND" (id 1) (at 121.92 96.0025 0)) (property "Footprint" "" (id 2) (at 121.92 91.44 0) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "" (id 3) (at 121.92 91.44 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid a70a6a3f-2724-48b3-b488-859475275951)) ) (symbol (lib_id "Device:LED_Small") (at 111.76 81.28 90) (in_bom yes) (on_board yes) (uuid ce7cb119-1df8-42ef-b2f2-2dae443be651) (property "Reference" "D3" (id 0) (at 113.538 80.1116 90) (effects (font (size 1.27 1.27)) (justify right)) ) (property "Value" "RED" (id 1) (at 113.538 82.423 90) (effects (font (size 1.27 1.27)) (justify right)) ) (property "Footprint" "LED_SMD:LED_0603_1608Metric" (id 2) (at 111.76 81.28 90) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (id 3) (at 111.76 81.28 90) (effects (font (size 1.27 1.27)) hide) ) (property "LCSC" "C2286" (id 4) (at 111.76 81.28 0) (effects (font (size 1.27 1.27)) hide) ) (pin "1" (uuid 4fd135f0-38be-402a-9bc7-59f09498eddd)) (pin "2" (uuid 366b4e95-01fd-42ef-a705-8f901032e0c6)) ) )