From 14b1832d5ed5e4e1ad12f4399920817bb6f183ee Mon Sep 17 00:00:00 2001 From: phiwan-dev <75113544+phiwan-dev@users.noreply.github.com> Date: Fri, 27 Feb 2026 23:42:35 +0100 Subject: [PATCH] board: sch add esd protection --- board/board.kicad_sch | 1829 ++++++++++++++++++++++++++++++++++++----- 1 file changed, 1622 insertions(+), 207 deletions(-) diff --git a/board/board.kicad_sch b/board/board.kicad_sch index bdca495..acdbd12 100644 --- a/board/board.kicad_sch +++ b/board/board.kicad_sch @@ -3367,6 +3367,615 @@ ) (embedded_fonts no) ) + (symbol "Diode:SMAJ6.5CA" + (pin_numbers + (hide yes) + ) + (pin_names + (offset 1.016) + (hide yes) + ) + (exclude_from_sim no) + (in_bom yes) + (on_board yes) + (property "Reference" "D" + (at 0 2.54 0) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Value" "SMAJ6.5CA" + (at 0 -2.54 0) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Footprint" "Diode_SMD:D_SMA" + (at 0 -5.08 0) + (effects + (font + (size 1.27 1.27) + ) + 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capacitance ESD protection diode, 2 data-line, SOT-23-6" + (at 229.87 172.72 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "LCSC PN" "C2687116" + (at 229.87 172.72 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (pin "2" + (uuid "0d79b015-a638-46eb-9590-3e08bb332a7d") + ) + (pin "4" + (uuid "882c82a4-b0f2-4980-92b6-632287e01c4d") + ) + (pin "5" + (uuid "eb49a43e-15ac-4fb7-871f-f8c75e63a49b") + ) + (pin "6" + (uuid "8f14cf79-dd2a-4b5d-8b6d-104623ed6dbb") + ) + (pin "3" + (uuid "507b9938-3f79-4ca3-bc49-9173f6ae7a9c") + ) + (pin "1" + (uuid "652e0636-1537-4242-a151-90a2faed5a5d") + ) + (instances + (project "" + (path "/0bf1fdd4-5a89-4735-8383-190e40fb0179" + (reference "U1") + (unit 1) + ) + ) + ) + ) (symbol (lib_id "Device:LED") (at 281.94 72.39 180) @@ -10330,6 +11320,82 @@ ) ) ) + (symbol + (lib_id "Diode:SMAJ6.5CA") + (at 241.3 143.51 180) + (unit 1) + (exclude_from_sim no) + (in_bom yes) + (on_board yes) + (dnp no) + (uuid "3ae0615c-94e1-494d-82a5-3655cf075ced") + (property "Reference" "D1" + (at 241.554 139.7 0) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Value" "SMAJ6.5CA" + (at 240.03 146.05 0) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Footprint" "phiboard:SMBJ6.5CA" + (at 241.3 138.43 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Datasheet" "https://www.littelfuse.com/media?resourcetype=datasheets&itemid=75e32973-b177-4ee3-a0ff-cedaf1abdb93&filename=smaj-datasheet" + (at 241.3 143.51 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Description" "400W bidirectional Transient Voltage Suppressor, 6.5Vr, SMA(DO-214AC)" + (at 241.3 143.51 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "LCSC PN" "C7420377" + (at 241.3 143.51 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (pin "2" + (uuid "01640a29-f4ed-451f-ba34-d0d3f7228c58") + ) + (pin "1" + (uuid "cb69996d-503d-48bb-b059-85d15bc8f221") + ) + (instances + (project "" + (path "/0bf1fdd4-5a89-4735-8383-190e40fb0179" + (reference "D1") + (unit 1) + ) + ) + ) + ) (symbol (lib_id "Device:Crystal") (at 146.05 180.34 180) @@ -10408,7 +11474,7 @@ ) (symbol (lib_id "Device:D_Schottky") - (at 241.3 157.48 0) + (at 223.52 157.48 0) (unit 1) (exclude_from_sim no) (in_bom yes) @@ -10416,7 +11482,7 @@ (dnp no) (uuid "3f8e3652-2586-4121-a640-46c076bd2cd7") (property "Reference" "D5" - (at 237.998 159.766 0) + (at 223.52 160.274 0) (effects (font (size 1.27 1.27) @@ -10424,7 +11490,7 @@ ) ) (property "Value" "D_Schottky" - (at 241.046 154.178 0) + (at 223.266 154.178 0) (effects (font (size 1.27 1.27) @@ -10432,7 +11498,7 @@ ) ) (property "Footprint" "" - (at 241.3 157.48 0) + (at 223.52 157.48 0) (effects (font (size 1.27 1.27) @@ -10441,7 +11507,7 @@ ) ) (property "Datasheet" "~" - (at 241.3 157.48 0) + (at 223.52 157.48 0) (effects (font (size 1.27 1.27) @@ -10450,7 +11516,7 @@ ) ) (property "Description" "Schottky diode" - (at 241.3 157.48 0) + (at 223.52 157.48 0) (effects (font (size 1.27 1.27) @@ -11975,7 +13041,7 @@ ) (symbol (lib_id "power:GND") - (at 255.27 41.91 0) + (at 279.4 29.21 0) (unit 1) (exclude_from_sim no) (in_bom yes) @@ -11983,7 +13049,7 @@ (dnp no) (uuid "76e04720-518c-46e9-a770-b5a2a8307cd7") (property "Reference" "#PWR021" - (at 255.27 48.26 0) + (at 279.4 35.56 0) (effects (font (size 1.27 1.27) @@ -11992,7 +13058,7 @@ ) ) (property "Value" "GND" - (at 255.27 45.72 0) + (at 279.4 33.02 0) (effects (font (size 1.27 1.27) @@ -12000,7 +13066,7 @@ ) ) (property "Footprint" "" - (at 255.27 41.91 0) + (at 279.4 29.21 0) (effects (font (size 1.27 1.27) @@ -12009,7 +13075,7 @@ ) ) (property "Datasheet" "" - (at 255.27 41.91 0) + (at 279.4 29.21 0) (effects (font (size 1.27 1.27) @@ -12018,7 +13084,7 @@ ) ) (property "Description" "Power symbol creates a global label with name \"GND\" , ground" - (at 255.27 41.91 0) + (at 279.4 29.21 0) (effects (font (size 1.27 1.27) @@ -12168,6 +13234,82 @@ ) ) ) + (symbol + (lib_id "Diode:SMAJ6.5CA") + (at 340.36 153.67 180) + (unit 1) + (exclude_from_sim no) + (in_bom yes) + (on_board yes) + (dnp no) + (uuid "80b7f220-fc3a-4272-a86d-32d32d16c02c") + (property "Reference" "D2" + (at 341.376 156.464 0) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Value" "SMAJ6.5CA" + (at 341.122 149.86 0) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Footprint" "phiboard:SMBJ6.5CA" + (at 340.36 148.59 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Datasheet" "https://www.littelfuse.com/media?resourcetype=datasheets&itemid=75e32973-b177-4ee3-a0ff-cedaf1abdb93&filename=smaj-datasheet" + (at 340.36 153.67 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Description" "400W bidirectional Transient Voltage Suppressor, 6.5Vr, SMA(DO-214AC)" + (at 340.36 153.67 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "LCSC PN" "C7420377" + (at 340.36 153.67 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (pin "2" + (uuid "a74e9e55-f709-46a3-b6cd-c89212e4ad42") + ) + (pin "1" + (uuid "ba22171c-0154-4b87-91e4-4f367f6230ee") + ) + (instances + (project "board" + (path "/0bf1fdd4-5a89-4735-8383-190e40fb0179" + (reference "D2") + (unit 1) + ) + ) + ) + ) (symbol (lib_id "power:GND") (at 278.13 256.54 0) @@ -12618,6 +13760,71 @@ ) ) ) + (symbol + (lib_id "power:GND") + (at 229.87 181.61 0) + (unit 1) + (exclude_from_sim no) + (in_bom yes) + (on_board yes) + (dnp no) + (uuid "9973d0ca-33b3-41da-8e85-d3722f66d5d4") + (property "Reference" "#PWR07" + (at 229.87 187.96 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Value" "GND" + (at 229.87 185.674 0) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Footprint" "" + (at 229.87 181.61 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Datasheet" "" + (at 229.87 181.61 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Description" "Power symbol creates a global label with name \"GND\" , ground" + (at 229.87 181.61 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (pin "1" + (uuid "134aa5b7-b0d3-400a-8d81-926589fa1275") + ) + (instances + (project "board" + (path "/0bf1fdd4-5a89-4735-8383-190e40fb0179" + (reference "#PWR07") + (unit 1) + ) + ) + ) + ) (symbol (lib_id "Connector_Generic:Conn_01x06") (at 201.93 250.19 0) @@ -12863,9 +14070,85 @@ ) ) ) + (symbol + (lib_id "Diode:SMAJ6.5CA") + (at 257.81 43.18 90) + (unit 1) + (exclude_from_sim no) + (in_bom yes) + (on_board yes) + (dnp no) + (uuid "a26b3b56-7adb-485f-8ecc-d929f5fe956c") + (property "Reference" "D9" + (at 259.334 39.37 90) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Value" "SMAJ6.5CA" + (at 254.762 43.688 0) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Footprint" "phiboard:SMBJ6.5CA" + (at 262.89 43.18 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Datasheet" "https://www.littelfuse.com/media?resourcetype=datasheets&itemid=75e32973-b177-4ee3-a0ff-cedaf1abdb93&filename=smaj-datasheet" + (at 257.81 43.18 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Description" "400W bidirectional Transient Voltage Suppressor, 6.5Vr, SMA(DO-214AC)" + (at 257.81 43.18 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "LCSC PN" "C7420377" + (at 257.81 43.18 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (pin "2" + (uuid "370da75d-7490-4020-a395-56831f6a0f86") + ) + (pin "1" + (uuid "a91c0b2c-492f-4a07-9bb0-dc10a32ab51e") + ) + (instances + (project "board" + (path "/0bf1fdd4-5a89-4735-8383-190e40fb0179" + (reference "D9") + (unit 1) + ) + ) + ) + ) (symbol (lib_id "power:GND") - (at 342.9 154.94 0) + (at 336.55 154.94 0) (unit 1) (exclude_from_sim no) (in_bom yes) @@ -12873,7 +14156,7 @@ (dnp no) (uuid "a46dc845-c566-4566-b806-40822c923a4b") (property "Reference" "#PWR01" - (at 342.9 161.29 0) + (at 336.55 161.29 0) (effects (font (size 1.27 1.27) @@ -12882,7 +14165,7 @@ ) ) (property "Value" "GND" - (at 342.9 159.004 0) + (at 336.55 159.004 0) (effects (font (size 1.27 1.27) @@ -12890,7 +14173,7 @@ ) ) (property "Footprint" "" - (at 342.9 154.94 0) + (at 336.55 154.94 0) (effects (font (size 1.27 1.27) @@ -12899,7 +14182,7 @@ ) ) (property "Datasheet" "" - (at 342.9 154.94 0) + (at 336.55 154.94 0) (effects (font (size 1.27 1.27) @@ -12908,7 +14191,7 @@ ) ) (property "Description" "Power symbol creates a global label with name \"GND\" , ground" - (at 342.9 154.94 0) + (at 336.55 154.94 0) (effects (font (size 1.27 1.27) @@ -13314,6 +14597,72 @@ ) ) ) + (symbol + (lib_id "power:GND") + (at 265.43 48.26 0) + (mirror y) + (unit 1) + (exclude_from_sim no) + (in_bom yes) + (on_board yes) + (dnp no) + (uuid "c07b515b-1475-4b88-9841-f703e02a8ea1") + (property "Reference" "#PWR08" + (at 265.43 54.61 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Value" "GND" + (at 262.128 50.546 0) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Footprint" "" + (at 265.43 48.26 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Datasheet" "" + (at 265.43 48.26 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Description" "Power symbol creates a global label with name \"GND\" , ground" + (at 265.43 48.26 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (pin "1" + (uuid "93fe505c-2417-446d-9427-0b95fc669877") + ) + (instances + (project "board" + (path "/0bf1fdd4-5a89-4735-8383-190e40fb0179" + (reference "#PWR08") + (unit 1) + ) + ) + ) + ) (symbol (lib_id "power:+3V3") (at 100.33 143.51 0) @@ -13698,7 +15047,7 @@ ) (symbol (lib_id "Device:D_Schottky") - (at 240.03 140.97 0) + (at 223.52 140.97 0) (unit 1) (exclude_from_sim no) (in_bom yes) @@ -13706,7 +15055,7 @@ (dnp no) (uuid "e6c32342-dd34-41cd-b6ab-0299e76e1d91") (property "Reference" "D4" - (at 237.49 143.764 0) + (at 223.52 143.764 0) (effects (font (size 1.27 1.27) @@ -13714,7 +15063,7 @@ ) ) (property "Value" "D_Schottky" - (at 240.284 137.922 0) + (at 223.774 137.922 0) (effects (font (size 1.27 1.27) @@ -13722,7 +15071,7 @@ ) ) (property "Footprint" "" - (at 240.03 140.97 0) + (at 223.52 140.97 0) (effects (font (size 1.27 1.27) @@ -13731,7 +15080,7 @@ ) ) (property "Datasheet" "~" - (at 240.03 140.97 0) + (at 223.52 140.97 0) (effects (font (size 1.27 1.27) @@ -13740,7 +15089,7 @@ ) ) (property "Description" "Schottky diode" - (at 240.03 140.97 0) + (at 223.52 140.97 0) (effects (font (size 1.27 1.27) @@ -13885,6 +15234,72 @@ ) ) ) + (symbol + (lib_id "power:GND") + (at 257.81 48.26 0) + (mirror y) + (unit 1) + (exclude_from_sim no) + (in_bom yes) + (on_board yes) + (dnp no) + (uuid "eec19ab5-9eff-49e7-be85-1bfec9e857c3") + (property "Reference" "#PWR09" + (at 257.81 54.61 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Value" "GND" + (at 254.762 50.546 0) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Footprint" "" + (at 257.81 48.26 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Datasheet" "" + (at 257.81 48.26 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Description" "Power symbol creates a global label with name \"GND\" , ground" + (at 257.81 48.26 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (pin "1" + (uuid "b9cc7598-8d23-46e5-bfbf-5a2337200c22") + ) + (instances + (project "board" + (path "/0bf1fdd4-5a89-4735-8383-190e40fb0179" + (reference "#PWR09") + (unit 1) + ) + ) + ) + ) (symbol (lib_id "power:GND") (at 102.87 257.81 0) @@ -14392,7 +15807,7 @@ (dnp no) (uuid "fb34fab7-0090-4101-b45f-35e520d90b3b") (property "Reference" "C13" - (at 275.59 45.974 0) + (at 280.416 50.546 0) (effects (font (size 1.27 1.27)