

- Size
- 358.9 × 180.7 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 461
- Nets
- 241
- Pads
- 1,449
- Tracks, vias
- 1,484, 568
- Pours
- 800
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 15 May 2024
- Updated
- 16 Aug 2024
Overview
Keys is an open-source printed circuit board by greifer500, from the greifer500/Keyboard repository on GitHub. It is a 4-layer board of 358.9 × 180.7 mm with 461 parts on 241 nets, routed with 1,484 tracks and 568 vias.
It is built around the BQ24075RGT, SRV05-4 and 1N4148WS, with the BLM15PX121SN1D11, AO3401A and C13 among its other parts. Its parts include 172 diodes, 104 capacitors, 92 switches, 17 resistors and 13 connectors.
Main components
7BQ24075RGT
QFN-16-EP(3x3)-40℃~+125℃ 1.5A 4.2V 4.35V~6.4V 6.5uA Charging IC Lithium Battery Not supported Support QFN-16-EP(3x3) Battery Management ROHSTexas InstrumentsBattery ManagementSRV05-4
SOT-23-6L-55℃~+150℃ 15V 1pF 4A 5V 5uA 6V 80W ESD Four channels IEC 61000-4-2、IEC 61000-4-5 Unidirectional SOT-23-6L ESD and Surge Protection (TVS/ESD) ROHShongjiachengESD And Surge Protection (TVS/ESD)1N4148WS
SOD-3231.25V@150mA 100V 150mA 1uA@75V 200mW 2A 4ns Independent SOD-323 Switching Diodes ROHSJiangsu Changjing Electronics Technology (CJ)Switching DiodesBLM15PX121SN1D11
04020402 Ferrite Beads ROHSMurataFerrite BeadsAO3401A
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 SemiconductorMOSFETsC13
插件,D3.3xL11.5mmThermal Fuses (TCO)SETsafe | SETfuseC14
LS71.9 L53.3 x D8.5Vitreous Enamelled Wirewound High Power Resistor - C SeriesTYCO ELECTRONICSUncategorised
Parts
461| Qty | Value | Footprint | References |
|---|---|---|---|
| 88 | 100nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C100 +72 |
| 86 | 1N4148WS | Diode_SMD:D_SOD-323_HandSoldering | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +70 |
| 71 | SW_Push | PCM_Switch_Keyboard_Cherry_MX:SW_Cherry_MX_PCB_1.00u | SW1, SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23 +55 |
| 44 | MX_SK6812MINI-E | PCM_marbastlib-mx:LED_MX_6028R | LED1, LED2, LED3, LED10, LED11, LED12, LED13, LED31, LED32, LED33, LED34, LED35, LED36, LED37, LED38, LED39 +28 |
| 41 | MX_SK6812MINI-E | PCM_marbastlib-mx:LED_MX_6028R-ROT | LED14, LED15, LED16, LED17, LED18, LED19, LED20, LED21, LED22, LED23, LED24, LED25, LED26, LED27, LED28, LED29 +25 |
| 9 | MountingHole | MountingHole:MountingHole_3.2mm_M3_DIN965 | H1, H2, H3, H4, H5, H6, H7, H8, H11 |
| 8 | SW_Push | PCM_Switch_Keyboard_Cherry_MX:SW_Cherry_MX_PCB_1.25u | SW61, SW75, SW76, SW77, SW79, SW80, SW81, SW82 |
| 6 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4, R5, R6, R11, R13, R19 |
| 6 | 4.7uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C88, C89, C91, C94, C97, C98 |
| 6 | LED_PWR | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP27, TP28, TP29, TP30, TP31, TP32 |
| 4 | 1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C90, C92, C95, C96 |
| 4 | Conn_01x02 | Connector_PinSocket_1.27mm:PinSocket_1x02_P1.27mm_Vertical | J8, J9, J12, J13 |
| 4 | Conn_01x04 | Connector_PinSocket_1.27mm:PinSocket_1x04_P1.27mm_Vertical | J7, J10, J11, J14 |
| 4 | Fiducial | Fiducial:Fiducial_1mm_Mask2mm | FID1, FID2, FID3, FID4 |
| 3 | 0.01uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C103, C104 |
| 3 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad_TopBottom | H9, H10, H12 |
| 2 | 100R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12, R18 |
| 2 | 1A | Fuse:Fuse_0603_1608Metric_Pad1.05x0.95mm_HandSolder | F1, F2 |
| 2 | 1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R14, R17 |
| 2 | 2N7002 | PCM_Package_TO_SOT_SMD_AKL:SOT-23_Handsoldering | Q2, Q3 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
| 2 | BLM15PX121SN1D | Inductor_SMD:L_0402_1005Metric | L1, L2 |
| 2 | Battery_Cell | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | BT1, BT2 |
| 2 | Conn_01x06_MountingPin | Connector_FFC-FPC:Molex_200528-0060_1x06-1MP_P1.00mm_Horizontal | J5, J6 |
| 1 | 0.001uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C101 |
| 1 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1 |
| 1 | 1.5k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R20 |
| 1 | 100k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R16 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C102 |
| 1 | 10uH | Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L3 |
| 1 | 1k5 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R8 |
| 1 | 2k2 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R9 |
| 1 | 47k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7 |
| 1 | 5V_F | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP1 |
| 1 | AO3401A | PCM_Package_TO_SOT_SMD_AKL:SOT-23_Handsoldering | Q1 |
| 1 | BQ24075 | Package_DFN_QFN:VQFN-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm | U3 |
| 1 | C0 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP2 |
| 1 | C1 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP3 |
| 1 | C10 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP12 |
| 1 | C11 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP13 |
| 1 | C12 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP14 |
| 1 | C13 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP15 |
| 1 | C14 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP16 |
| 1 | C15 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP17 |
| 1 | C16 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP18 |
| 1 | C2 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP4 |
| 1 | C3 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP5 |
| 1 | C4 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP6 |
| 1 | C5 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP7 |
| 1 | C6 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP8 |
| 1 | C7 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP9 |
| 1 | C8 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP10 |
| 1 | C9 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP11 |
| 1 | LED_Small | LED_SMD:LED_0402_1005Metric_Pad0.77x0.64mm_HandSolder | D87 |
| 1 | MAX17048 | PCM_Package_DFN_QFN_AKL:DFN-8-1EP_2x2mm_P0.5mm_EP0.7x1.3mm | U2 |
| 1 | MX_stab | PCM_marbastlib-mx:STAB_MX_ISO-ROT | S3 |
| 1 | MX_stab | PCM_marbastlib-mx:STAB_MX_P_6.25u | S1 |
| 1 | MX_stab | PCM_marbastlib-mx:STAB_MX_2u | S2 |
| 1 | MX_stab | PCM_marbastlib-mx:STAB_MX_2.75u | S4 |
| 1 | Pogopins | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J4 |
| 1 | R0 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP21 |
| 1 | R1 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP22 |
| 1 | R2 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP23 |
| 1 | R3 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP24 |
| 1 | R4 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP25 |
| 1 | R5 | Keyboard_Specific:TestPoint_Pad_D1.5mm | TP26 |
| 1 | RST | Button_Switch_SMD:SW_SPST_B3U-1000P | SW88 |
| 1 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW86 |
| 1 | SRV05-4 | Package_TO_SOT_SMD:SOT-23-6 | U5 |
| 1 | SW_DPDT_x2 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | SW87 |
| 1 | SW_Push | PCM_Switch_Keyboard_Cherry_MX:SW_Cherry_MX_PCB_6.25u | SW78 |
| 1 | SW_Push | PCM_Switch_Keyboard_Cherry_MX:SW_Cherry_MX_PCB_1.75u | SW48 |
| 1 | SW_Push | PCM_Switch_Keyboard_Cherry_MX:SW_Cherry_MX_PCB_2.00u | SW27 |
| 1 | SW_Push | PCM_Switch_Keyboard_Cherry_MX:SW_Cherry_MX_PCB_1.50u | SW31 |
| 1 | SW_Push | PCM_Switch_Keyboard_Cherry_MX:SW_Cherry_MX_PCB_ISOEnter_180deg | SW44 |
| 1 | SW_Push | PCM_Switch_Keyboard_Cherry_MX:SW_Cherry_MX_PCB_2.75u | SW73 |
| 1 | Screen | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J2 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | SolderJumper_3_Open | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | TC2030_SWD | PCM_marbastlib-various:CON_TC2030_outlined | J3 |
The 459 most common of 461 parts.
Questions
How big is the Keys PCB?
It measures 358.9 × 180.7 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Keys use?
461 parts, built around the BQ24075RGT, SRV05-4, 1N4148WS and BLM15PX121SN1D11. 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 Keys KiCad files?
From the greifer500/Keyboard repository on GitHub, at the commit this page was made from: the board is keys.kicad_pcb and its schematic keys.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Keys design in my own project?
Its repository states no licence, so its author keeps all rights: ask greifer500 before reusing the design.
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