4 layers53.5 × 53 mm
4 layers100 × 70 mm
Mtb rc
kmzbrnoI/mtb-rc1RailCom detector
- Size
- 100 × 70 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 166
- Nets
- 109
- Pads
- 529
- Tracks, vias
- 922, 298
- Pours
- 11
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 26 Feb 2023
- Updated
- 1 Aug 2024
Overview
Mtb rc is an open-source printed circuit board by kmzbrnoI, from the kmzbrnoI/mtb-rc repository on GitHub. It is a 4-layer board of 100 × 70 mm with 166 parts on 109 nets, routed with 922 tracks and 298 vias.
It is built around the MAX487-TD, LM339 and VO0631T, with the HT7533-1, SS34 and BZX84C18 among its other parts. Its parts include 54 resistors, 33 capacitors, 27 diodes, 15 ICs and 6 connectors. It belongs with the STM32 boards of this library.
Main components
6
MAX487-TD
DIP-8-40℃~+85℃ 1 1 1.6mA 128 2.5Mbps 3.3V、5V Half-Duplex Transceiver ±1.5kV DIP-8 RS-485 / RS-422 ICs ROHSTDSEMICRS-485 / RS-422 ICs
LM339
SOP-140℃~+70℃ 1.1mA 1.5mV 150ns 2.3nA 2V~32V 32V 57nA DTL、TTL、CMOS Four channels Open Collector SOP-14 Comparators ROHSJSMSEMIComparators
VO0631T
SOIC-8-40℃~+100℃ 1 1.4V 100ns 100ns 10Mbps 20mA 35mW 4.5V~5.5V 4kV 50mA 5V 5kV/us 5mA DC SOIC-8 Logic Output Optoisolators ROHSVishay IntertechnologyLogic Output Optoisolators
HT7533-1
SOT-23-5-40℃~+85℃@(Ta) 1 100mA 2.5uA 25mV@(1mA) 3.3V 30V Fixed Positive SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSHOLTEKVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
SS34
SMA(DO-214AC)-55℃~+125℃ 3A 40V 500uA@40V 550mV@3A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
BZX84C18
SOT-23Zener Diodeshongjiacheng
README
pcb/README.mdMTB-RC PCB
Design
Schematics & PCB are designed in KiCad 7.
Production
PCB is prepared to be automatically assembled in JLCPCB.
SMD parts on bottom side should be assembled. Each SMD part has its LCSC_ITEM
attribute set.
$ make fabLicense
Content of this directory is provided under Creative Commons Attribution-ShareAlike 4.0 License as openhardware project. You may download any data, contribute to the project, create PCB yourself or even sell it yourself.
Parts
166| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | SS34 | Diode_SMD:D_SMA_Handsoldering | D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26 |
| 15 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R6, R10, R13, R40, R41, R43, R45, R46, R47, R48, R49, R50, R51, R52 |
| 13 | 100n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C7, C8, C17, C18, C19, C20, C21, C27, C30, C32 |
| 12 | ~ | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP12 |
| 10 | 100n | Capacitor_SMD:C_0805_2012Metric | C11, C12, C13, C14, C15, C16, C28, C29, C31, C33 |
| 9 | 1k | Resistor_SMD:R_0805_2012Metric | R20, R21, R22, R23, R30, R31, R32, R33, R34 |
| 8 | 1R5 | Resistor_SMD:R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R14, R15, R16, R17, R35, R36, R37, R38 |
| 5 | 1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R4, R5, R12, R42 |
| 5 | 2k2 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7, R11, R39, R44, R53 |
| 5 | LM339 | Package_SO:SO-14_3.9x8.65mm_P1.27mm | U6, U7, U8, U10, U11 |
| 4 | 1N5819 | Diode_SMD:D_SOD-123 | D1, D2, D9, D27 |
| 4 | 22u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C9, C10, C24, C25 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H1, H2, H3, H4 |
| 3 | PAD | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | TP16, TP17, TP18 |
| 3 | VO0631T | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1, U2, U3 |
| 2 | 100k/1% | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R24, R27 |
| 2 | 200R/1% | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R25, R26 |
| 2 | 220R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8, R9 |
| 2 | 22p | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C22, C23 |
| 2 | 22u/25V | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C5, C6 |
| 2 | 33R | Resistor_SMD:R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R18, R19 |
| 2 | 4k7 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R28, R54 |
| 2 | MVE252-5-V | TerminalBlock_Euroclamp:MVE252-5-V-2x | J1, J9 |
| 2 | PAD | TestPoint:TestPoint_Pad_D2.0mm | TP13, TP19 |
| 2 | RING | TestPoint:TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP14, TP15 |
| 2 | SJ_2_Open | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1, JP2 |
| 1 | 12MHz | Crystal:Crystal_HC49-U_Vertical | Y1 |
| 1 | 1k5 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3 |
| 1 | 1n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4 |
| 1 | 200mA | Fuse:Fuse_1812_4532Metric_Pad1.30x3.40mm_HandSolder | F3 |
| 1 | 22u/25V | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C26 |
| 1 | 3.15A | Fuse:Fuseholder_Cylinder-5x20mm_Stelvio-Kontek_PTF78_Horizontal_Open | F2 |
| 1 | 4052 | Package_SO:SO-16_3.9x9.9mm_P1.27mm | U9 |
| 1 | 47k | Resistor_SMD:R_0805_2012Metric | R29 |
| 1 | 50/150mA | Fuse:Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder | F1 |
| 1 | 6x6 | Button_Switch_THT:SW_PUSH_6mm_H4.3mm | SW1 |
| 1 | 78M05 | Package_TO_SOT_SMD:TO-252-2 | U14 |
| 1 | BLUE | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D4 |
| 1 | BT148 | Package_TO_SOT_SMD:SOT-223 | D7 |
| 1 | BZX84C18 | Package_TO_SOT_SMD:SOT-23 | D8 |
| 1 | GREEN | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D5 |
| 1 | HT7533-1 | Package_TO_SOT_SMD:SOT-89-3_Handsoldering | U13 |
| 1 | L78L05_SOT89 | Package_TO_SOT_SMD:SOT-89-3 | U4 |
| 1 | L79L05_SOT89 | Package_TO_SOT_SMD:SOT-89-3 | U5 |
| 1 | MAX487 | Package_DIP:DIP-8_W7.62mm_LongPads | U15 |
| 1 | MVE252-5-V | TerminalBlock_Euroclamp:MVE252-5-V-4x | J2 |
| 1 | PINHEADER | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J7 |
| 1 | PINHEADER | Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Vertical | J6 |
| 1 | PROG/DEBUG | Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical | J8 |
| 1 | RED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D6 |
| 1 | SM712_SOT23 | Package_TO_SOT_SMD:SOT-23 | D10 |
| 1 | STM32F103C8Tx | Package_QFP:LQFP-48_7x7mm_P0.5mm | U12 |
| 1 | WHITE | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
The 165 most common of 166 parts.
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Questions
How big is the Mtb rc PCB?
It measures 100 × 70 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Mtb rc use?
166 parts, built around the MAX487-TD, LM339, VO0631T and HT7533-1. 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 Mtb rc KiCad files?
From the kmzbrnoI/mtb-rc repository on GitHub, at the commit this page was made from: the board is pcb/mtb-rc.kicad_pcb and its schematic pcb/dcc.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mtb rc design in my own project?
Its repository states no licence, so its author keeps all rights: ask kmzbrnoI before reusing the design.