2 layers357.5 × 131.8 mm
2 layers366.9 × 114.3 mm
Kira
kiibohd/pcb417PCB and PCB related bits
- Size
- 366.9 × 114.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 401
- Nets
- 253
- Pads
- 1,968
- Tracks, vias
- 21,932, 1,505
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 14 Feb 2015
- Updated
- 27 Jul 2020
Overview
Kira is an open-source printed circuit board by kiibohd, from the kiibohd/pcb repository on GitHub. It is a 2-layer board of 366.9 × 114.3 mm with 401 parts on 253 nets, routed with 21,932 tracks and 1,505 vias.
It is built around the ATSAM4S8CA-CU and LDL1117. Its parts include 230 diodes, 100 switches, 34 capacitors, 14 resistors and 3 ICs. It belongs with the keyboards and input boards and the SAM D and SAM boards of this library.
Main components
2
ATSAM4S8CA-CU
TFBGA-100-40℃~+85℃ 1.62V~3.6V 120MHz 128KB 32 Bit 512KB 79 ARM Cortex-M4 Built-in FLASH Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、External pin reset (NRST)、Built-in general-purpose timer、Hardware CRC、Integrated LDO、Calendar function、Hardware ECC check TFBGA-100 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
LDL1117
1.2 A Low-Dropout Fixed RegulatorSTMicroelectronicsUncategorised
Parts
401| Qty | Value | Footprint | References |
|---|---|---|---|
| 99 | DIODE | footprints:SOD-523 | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +83 |
| 99 | RGBLED | footprints:LED_RGB_3.2x2.8_REVMOUNT | LED1, LED10, LED11, LED101, LED102, LED103, LED105, LED107, LED109, LED110, LED111, LED112, LED114, LED116, LED117, LED119 +83 |
| 99 | SW | footprints:SW_SOCKET_COMBINED_T | S1, S2, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23 +83 |
| 26 | RGBLED | footprints:LED_RGB_3528 | LED18, LED21, LED24, LED27, LED30, LED33, LED49, LED100, LED104, LED106, LED108, LED113, LED115, LED118, LED120, LED122 +10 |
| 17 | 0.1uF | footprints:SMD-0402 | C2, C5, C7, C10, C11, C12, C14, C16, C18, C19, C22, C23, C24, C25, C26, C27 +1 |
| 8 | 0.47uF | footprints:SMD-0402 | C1, C3, C6, C8, C13, C15, C17, C20 |
| 6 | FIDUCIAL | footprints:FID | FID1, FID2, FID3, FID4, FID5, FID6 |
| 5 | 1k | footprints:SMD-0402 | R1, R2, R8, R9, R12 |
| 3 | 100 | footprints:SMD-0402 | R10, R11, R14 |
| 3 | 1PIN | footprints:1PAD_5.5 | MH1, MH2, MH3 |
| 3 | 1uF | footprints:SMD-0402 | C29, C31, C32 |
| 3 | HOLE | footprints:LOC_225 | HOLE1, HOLE2, HOLE3 |
| 3 | RGBLED | footprints:LED_RGB_1615 | LED126, LED127, LED128 |
| 2 | 100k | footprints:SMD-0402 | R3, R6 |
| 2 | 18pF | footprints:SMD-0402 | C33, C34 |
| 2 | 20k | footprints:SMD-0402 | R7, R13 |
| 2 | 33 | footprints:SMD-0402 | R4, R5 |
| 2 | 4.7uF | footprints:SMD-0402 | C21, C30 |
| 2 | ESD_BIDIR_1CH | footprints:SMD-0402 | D100, D101 |
| 2 | IS31FL3733 | footprints:IS31FL3733 | U2, U3 |
| 1 | 2.2uF | footprints:SMD-0402 | C28 |
| 1 | 22uF | footprints:SMD-7343-Pol | C4 |
| 1 | ATSAM4S8CA-CU | footprints:BGA_100_QFP_64 | U1 |
| 1 | CONN_17 | footprints:HEADER_1x17 | P3 |
| 1 | CONN_5 | footprints:PICOSPOX_5 | P2 |
| 1 | CRYSTAL | footprints:ABM3B | X1 |
| 1 | FLASH_HDR | footprints:JLINK_NEEDLE | P1 |
| 1 | Jumper | footprints:HEADER_1x2 | JP1 |
| 1 | LDL1117 | footprints:SOT-223 | Q1 |
| 1 | LED | footprints:LED-0603 | LED129 |
| 1 | LOGO | footprints:IC_LOGO | LOGO1 |
| 1 | MIC5504 | footprints:SOT-23-5 | Q2 |
| 1 | TAC_SWITCH | footprints:TACT_5.2x5.2 | S100 |
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Questions
How big is the Kira PCB?
It measures 366.9 × 114.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Kira use?
401 parts, built around the ATSAM4S8CA-CU and LDL1117. 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 Kira KiCad files?
From the kiibohd/pcb repository on GitHub, at the commit this page was made from: the board is Kira/Kira.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Kira design in my own project?
Its repository states no licence, so its author keeps all rights: ask kiibohd before reusing the design.