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helps address #13. motor driver decoupling caps match the DRV8837s recommended values in the datasheet. adds dedicated cap for the rs485 transceiver. improves routing from motor driver caps to power pads

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This commit is contained in:
Stephen Hawes
2023-05-17 11:53:09 -04:00
parent ce71b40a86
commit d3189ef4d0
2 changed files with 1228 additions and 1055 deletions
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2201
pcb/mobo/mobo.kicad_pcb
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82
pcb/mobo/mobo.kicad_sch
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@@ -4769,6 +4769,31 @@
)
)
(symbol (lib_id "power:GND") (at 189.23 129.54 0) (unit 1)
(in_bom yes) (on_board yes) (dnp no)
(uuid 09e4ec47-80fd-459f-bed0-ce1fa3cbbf64)
(property "Reference" "#PWR01" (at 189.23 135.89 0)
(effects (font (size 1.27 1.27)) hide)
)
(property "Value" "GND" (at 189.357 133.9342 0)
(effects (font (size 1.27 1.27)))
)
(property "Footprint" "" (at 189.23 129.54 0)
(effects (font (size 1.27 1.27)) hide)
)
(property "Datasheet" "" (at 189.23 129.54 0)
(effects (font (size 1.27 1.27)) hide)
)
(pin "1" (uuid 97981d33-20b7-487e-89ac-33cbcb6db1ad))
(instances
(project "mobo"
(path "/e502d1d5-04b0-4d4b-b5c3-8c52d09668e7"
(reference "#PWR01") (unit 1)
)
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(symbol (lib_id "Device:R_Small") (at 217.17 106.68 90) (unit 1)
(in_bom yes) (on_board yes) (dnp no)
(uuid 0d0feeda-67ca-4054-bb4a-27b50ea94d02)
@@ -5055,6 +5080,31 @@
)
)
(symbol (lib_id "power:+3V3") (at 189.23 124.46 0) (unit 1)
(in_bom yes) (on_board yes) (dnp no)
(uuid 1ea8a199-818f-4f5f-8629-c8202f1ad20f)
(property "Reference" "#PWR02" (at 189.23 128.27 0)
(effects (font (size 1.27 1.27)) hide)
)
(property "Value" "+3V3" (at 189.611 120.0658 0)
(effects (font (size 1.27 1.27)))
)
(property "Footprint" "" (at 189.23 124.46 0)
(effects (font (size 1.27 1.27)) hide)
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(property "Datasheet" "" (at 189.23 124.46 0)
(effects (font (size 1.27 1.27)) hide)
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(pin "1" (uuid 40adf663-73ed-4f84-9b80-98a8e7a9ad8b))
(instances
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(path "/e502d1d5-04b0-4d4b-b5c3-8c52d09668e7"
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(symbol (lib_id "power:+3V3") (at 128.27 62.23 0) (unit 1)
(in_bom yes) (on_board yes) (dnp no)
(uuid 209147cd-5107-4e05-a842-782aab18be28)
@@ -6942,6 +6992,38 @@
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(symbol (lib_id "Device:C_Small") (at 189.23 127 180) (unit 1)
(in_bom yes) (on_board yes) (dnp no)
(uuid c48de777-ee45-4414-b7b0-815ae82e678b)
(property "Reference" "C15" (at 194.31 124.46 0)
(effects (font (size 1.27 1.27)) (justify left))
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(property "Value" "100n" (at 195.58 128.905 0)
(effects (font (size 1.27 1.27)) (justify left))
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(property "Footprint" "Capacitor_SMD:C_0805_2012Metric" (at 189.23 127 0)
(effects (font (size 1.27 1.27)) hide)
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(property "Datasheet" "~" (at 189.23 127 0)
(effects (font (size 1.27 1.27)) hide)
)
(property "JLCPCB" "C49678" (at 189.23 127 0)
(effects (font (size 1.27 1.27)) hide)
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(property "LCSC" "C476766" (at 189.23 127 0)
(effects (font (size 1.27 1.27)) hide)
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(pin "1" (uuid 088a1512-cf23-4bd6-ade4-f878fe491293))
(pin "2" (uuid 581875da-437b-4e9a-87dd-ee021ab17b66))
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(symbol (lib_id "power:GND") (at 41.91 107.95 0) (unit 1)
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(uuid c4e9b67e-1c58-4fc0-b325-918e75744a31)