2 layers49.9 × 37.6 mm
Crosspoint breakout
gbrown128/SCARTer
Over-engineering a multi-way SCART source switcher for retro consoles.
53 partsAGPL-3.0
2 layers
Switch matrix
gbrown128/SCARTerOver-engineering a multi-way SCART source switcher for retro consoles.
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 393
- Nets
- 322
- Pads
- 1,326
- Tracks, vias
- 1,348, 30
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 27 Jun 2018
- Updated
- 13 Jul 2018
Overview
Switch matrix is an open-source printed circuit board by gbrown128, from the gbrown128/SCARTer repository on GitHub, published under the AGPL-3.0 licence. It is a 2-layer board with 393 parts on 322 nets, routed with 1,348 tracks and 30 vias.
It is built around the ATMEGA328P-AU, ST662ACD-TR and MMBT3904, with the BSS84 among its other parts. Its parts include 161 resistors, 112 capacitors, 9 transistors, 8 ICs and 3 connectors. It belongs with the lEDs and displays boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
4
ATMEGA328P-AU
TQFP-32(7x7)-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH TQFP-32(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
ST662ACD-TR
SOIC-80℃~+70℃ 100uA 11.4V~12.6V 30mA 4.5V~5.5V 400kHz 72% Low-power standby SOIC-8 Charge Pumps ROHSSTMicroelectronicsCharge Pumps
MMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)BSS84
SOT-23-55℃~+150℃ 1 P-Channel 130mA 2.8pF 24.6pF 2V 3.2Ω@5V 300mW 4.7pF 50V 590pC@10V SOT-23 MOSFETs ROHSDiodes IncorporatedMOSFETs
README
misc/crosspoint-breakout/README.mdFMS6501 Breakout Board
A simple breakout board to test the performanmce of the FMS6501.
Parts
393| Qty | Value | Footprint | References |
|---|---|---|---|
| 72 | 10k | Resistors_SMD:R_0603 | R1001, R1002, R1003, R1004, R1005, R1006, R1101, R1102, R1103, R1104, R1105, R1106, R1201, R1202, R1203, R1204 +56 |
| 69 | 75 | Capacitors_SMD:C_0603 | R1007, R1008, R1009, R1010, R1107, R1108, R1109, R1110, R1207, R1208, R1209, R1210, R1307, R1308, R1309, R1310 +53 |
| 64 | 100n | Capacitors_SMD:C_0603 | C1003, C1004, C1005, C1006, C1103, C1104, C1105, C1106, C1203, C1204, C1205, C1206, C1303, C1304, C1305, C1306 +48 |
| 36 | Jumper_NC_Small | Connect:GS2 | JP1002, JP1004, JP1006, JP1102, JP1104, JP1106, JP1202, JP1204, JP1206, JP1302, JP1304, JP1306, JP1402, JP1404, JP1406, JP1502 +20 |
| 36 | Jumper_NO_Small | Connect:GS2 | JP1001, JP1003, JP1005, JP1101, JP1103, JP1105, JP1201, JP1203, JP1205, JP1301, JP1303, JP1305, JP1401, JP1403, JP1405, JP1501 +20 |
| 30 | 220u | Capacitors_SMD:c_elec_6.3x7.7 | C1001, C1002, C1101, C1102, C1201, C1202, C1301, C1302, C1401, C1402, C1501, C1502, C1601, C1602, C1701, C1702 +14 |
| 15 | SCART_Conn | scart:V_SCART | CONN501, CONN601, CONN701, CONN801, CONN901, CONN1001, CONN1101, CONN1201, CONN1301, CONN1401, CONN1501, CONN1601, CONN1701, CONN1801, CONN1901 |
| 14 | 1u | Capacitors_SMD:C_0603 | C301, C304, C401, C402, C405, C406, C409, C410, C413, C414, C417, C418, C421, C422 |
| 10 | 10k | Capacitors_SMD:C_0603 | R201, R202, R301, R302, R1704, R1705, R1804, R1805, R1904, R1905 |
| 9 | GS3 | Connect:GS3 | GS1701, GS1702, GS1703, GS1801, GS1802, GS1803, GS1901, GS1902, GS1903 |
| 6 | 75 | Resistors_SMD:R_0603 | R1701, R1702, R1801, R1802, R1901, R1902 |
| 6 | FMS6501A | Housings_SSOP:TSSOP-28_4.4x9.7mm_Pitch0.65mm | U401, U402, U403, U404, U405, U406 |
| 6 | MMBT3904 | TO_SOT_Packages_SMD_Stock:SOT-23 | Q1702, Q1703, Q1802, Q1803, Q1902, Q1903 |
| 3 | 100u | Inductors_NEOSID:Neosid_Inductor_SM-NE127 | L201, L202, L203 |
| 3 | BSS84 | TO_SOT_Packages_SMD_Stock:SOT-23 | Q1701, Q1801, Q1901 |
| 2 | 220n | Capacitors_SMD:C_0603 | C201, C205 |
| 2 | 4.7u | Capacitors_SMD:c_elec_4x5.7 | C203, C206 |
| 2 | 470 | Capacitors_SMD:C_0603 | R303, R304 |
| 2 | 4k7 | Capacitors_SMD:C_0603 | R101, R102 |
| 1 | ATMEGA328P-A | Housings_QFP:TQFP-32_7x7mm_Pitch0.8mm | IC301 |
| 1 | CONN_01X04 | Pin_Headers:Pin_Header_Straight_1x04 | P102 |
| 1 | CONN_01X06 | Pin_Headers:Pin_Header_Straight_1x06 | P301 |
| 1 | LED_BI | scart:0605LEDDual | D301 |
| 1 | ST662AC | Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm | U201 |
| 1 | USB_OTG | Connect:USB_Micro-B | P101 |
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Questions
What parts does the Switch matrix use?
393 parts, built around the ATMEGA328P-AU, ST662ACD-TR, MMBT3904 and BSS84. 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 Switch matrix KiCad files?
From the gbrown128/SCARTer repository on GitHub, at the commit this page was made from: the board is switch-matrix/switch-matrix.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Switch matrix design in my own project?
Its repository publishes it under the AGPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).