2 layers395.3 × 121.1 mm
2 layers137.1 × 108.4 mm
Blacktip
iH0118/blacktipyet another split keyboard
- Size
- 137.1 × 108.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 159
- Nets
- 115
- Pads
- 1,022
- Tracks, vias
- 1,807, 2,094
- Pours
- 702
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 15 Apr 2025
- Updated
- 15 Apr 2025
Overview
Blacktip is an open-source printed circuit board by iH0118, from the iH0118/blacktip repository on GitHub. It is a 2-layer board of 137.1 × 108.4 mm with 159 parts on 115 nets, routed with 1,807 tracks and 2,094 vias.
It is built around the LMV321, USBLC6-2SC6 and AP2112K-3.3, with the 1N4148W, SK6812 and AO3401A among its other parts. Its parts include 60 diodes, 38 capacitors, 32 switches, 9 resistors and 5 ICs. It belongs with the keyboards and input boards and the STM32 boards of this library.
Main components
7
LMV321
SOT-23-5L-2.75V~-1.25V、1.25V~2.75V 0℃~+70℃ 1 10pA 10pA 1MHz 2.1V~5.5V 20mA 20nV/√Hz@10kHz 520V/ms 60uA 70dB 800uV Built-in compensation Rail-to-Rail Input, Rail-to-Rail Output SOT-23-5L Operational Amplifier ROHSJiangsu Changjing Electronics Technology (CJ)Operational Amplifier
USBLC6-2SC6
SOT-23-60.35pF、0.8pF 100nA 150W@8/20us 15V 2 5V 6A@8/20us 6V ESD SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSUMWESD And Surge Protection (TVS/ESD)AP2112K-3.3
SOT253.3V 600mA CMOS Low Dropout Linear Regulator with EnableDiodes IncorporatedUncategorised
1N4148W
SOD-123150mA 1A 1V@50mA 1uA@75V 400mW 4ns 75V Independent SOD-123 Switching Diodes ROHSSTMicroelectronicsSwitching Diodes
SK6812
SMD-4P,5.4x5mm-40℃~+85℃ 0.6mA 1.6mm 120° 160mcd~320mcd 1kHz 2000V 280mcd~515mcd 3.7V~5.5V 460nm~470nm 520nm~530nm 620nm~625nm 800Kbit/s 815mcd~1275mcd Built-in power-on reset circuit Semi-transparent lens SMD-4P,5.4x5mm RGB LEDs(Built-in IC) ROHSOPSCO OptoelectronicsRGB LEDs(Built-In IC)
AO3401A
SOT-231 P-Channel 14nC@10V 30V 47mΩ@10V、60mΩ@4.5V、85mΩ@2.5V 4A 55pF 645pF 80pF 900mV SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
USB4105-GF-A-120
SMD-40℃~+85℃ 1 16P 48V 5A Black Female Type-C USB 2.0 SMD USB Connectors ROHSGlobal Connector Technology (GCT)USB Connectors
Parts
159| Qty | Value | Footprint | References |
|---|---|---|---|
| 30 | 100n | blacktip:C_0603_Dual_Inverse | C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25 +14 |
| 30 | 1N4148W | blacktip:D_SOD-123_Dual | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +14 |
| 30 | SK6812 | blacktip:LED_PLCC4_3.2x2.8mm_Dual | D31, D32, D33, D34, D35, D36, D37, D38, D39, D40, D41, D42, D43, D44, D45, D46 +14 |
| 24 | SW_MX | blacktip:SW_1.00u_1 | SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23, SW24, SW25 +8 |
| 5 | 100n | blacktip:C_0603 | C1, C2, C3, C4, C5 |
| 4 | AO3401A | blacktip:SOT-23 | Q1, Q2, Q3, Q4 |
| 4 | FerriteBead_Small | blacktip:L_0805 | FB1, FB2, FB3, FB4 |
| 3 | 5k1 | blacktip:R_0603 | R3, R4, R7 |
| 3 | SW_MX | blacktip:SW_1.25u | SW27, SW28, SW29 |
| 2 | 10u | blacktip:C_0805 | C6, C38 |
| 2 | 91k | blacktip:R_0603 | R1, R5 |
| 2 | SW_MX | blacktip:SW_1.00u | SW31, SW32 |
| 2 | TestPoint | TestPoint:TestPoint_Pad_D1.0mm | TP1, TP2 |
| 2 | USBLC6-2SC6 | blacktip:SOT-23-6 | U2, U4 |
| 1 | 100 | blacktip:R_0603 | R6 |
| 1 | 2u2 | blacktip:C_0805 | C7 |
| 1 | 47k | blacktip:R_0603 | R2 |
| 1 | AP2112K-3.3 | blacktip:SOT-23-5 | U5 |
| 1 | LMV321 | blacktip:SOT-23-5 | U1 |
| 1 | R | blacktip:R_0603_Dual | R9 |
| 1 | R | blacktip:R_0603 | R8 |
| 1 | STM32L072KxTx | blacktip:LQFP-32_7x7mm_P0.8mm | U3 |
| 1 | SW_MX | blacktip:SW_2.00u_Vertical | SW30 |
| 1 | SW_Push | blacktip:SW_SPST_SKQG_Dual | SW2 |
| 1 | SW_SPDT | blacktip:SW_SPDT_PCM12_Dual | SW1 |
| 1 | USB4105-GF-A-120 | blacktip:GCT_USB4510_Split_Comms | J2 |
| 1 | USB4105-GF-A-120 | blacktip:GCT_USB4510 | J1 |
The 156 most common of 159 parts.
Questions
How big is the Blacktip PCB?
It measures 137.1 × 108.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Blacktip use?
159 parts, built around the LMV321, USBLC6-2SC6, AP2112K-3.3 and 1N4148W. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Blacktip KiCad files?
From the iH0118/blacktip repository on GitHub, at the commit this page was made from: the board is blacktip.kicad_pcb and its schematic blacktip.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Blacktip design in my own project?
Its repository states no licence, so its author keeps all rights: ask iH0118 before reusing the design.
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