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Make capacitor selection with DC bias derating accounted for, consolidate 22u caps with 2x 10u replacements

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JHay0112
2026-08-16 17:26:59 +12:00
parent 8ab1c409b6
commit 65a2a445a5
8 changed files with 4572 additions and 543 deletions
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24
Hardware/keyboard_controller/keyboard_controller.kicad_sch
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@@ -131,9 +131,9 @@
(embedded_fonts no)
)
)
(text "NOTES:\n\nperipherals share an i2c bus with the usb hub and pd controller since\nsharing the I2C directly with the keyboard could create an security\nproblem with peripherals directly snooping on the keyboard presses"
(text "NOTES:\n\nperipherals share an i2c bus with the usb hub and pd controller since\nsharing the I2C directly with the keyboard could create an security\nproblem with peripherals directly snooping on the keyboard presses\n\ncapacitor selection required at least 90% of design capacitance with DC bias derating (<10uF)\ncompromised on capacitors >10u to avoid upsizing package beyond 0805"
(exclude_from_sim no)
(at 177.546 171.704 0)
(at 177.546 173.736 0)
(effects
(font
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@@ -826,26 +826,6 @@
(justify left)
)
)
(pin "PWR_3V3" input
(at 124.46 55.88 180)
(uuid "09289b61-7bb2-427c-bb41-a5f3f73f2fcf")
(effects
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(pin "PWR_5V" input
(at 124.46 58.42 180)
(uuid "da438b0f-b34d-455d-bede-d760ebc67be5")
(effects
(font
(size 1.27 1.27)
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(pin "PWR_USBD2" output
(at 160.02 30.48 0)
(uuid "022ee30e-d7a7-4e0d-9525-243861daec14")