2 layers82.6 × 76.2 mm
Mss cascade basic
IowaScaledEngineering/mss-cascade
Integrated Cascade Module for Free-mo Modular Signal System
111 parts
2 layers50.8 × 88.9 mm
Mss debug
IowaScaledEngineering/mss-debugDiagnostic and debug module for the Modular Signal System
- Size
- 50.8 × 88.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 69
- Nets
- 62
- Pads
- 221
- Tracks, vias
- 553, 103
- Pours
- 42
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 8 Jun 2016
- Updated
- 26 Aug 2024
Overview
Mss debug is an open-source printed circuit board by IowaScaledEngineering, from the IowaScaledEngineering/mss-debug repository on GitHub. It is a 2-layer board of 50.8 × 88.9 mm with 69 parts on 62 nets, routed with 553 tracks and 103 vias.
It is built around the 74HC4049D, JS202011SCQN and SI2333. Its parts include 31 resistors, 11 capacitors, 9 diodes, 4 ICs and 2 connectors.
Main components
3
74HC4049D
SO-16-40℃~+125℃ 1.5V、3.15V、4.2V 1.9V、4.4V、5.9V 22ns@6.0V,50pF 2V~6V 400mV 40uA 5.2mA 5.2mA 500mV、1.35V、1.8V 6 74HC SO-16 Inverters ROHSNexperiaInverters
JS202011SCQN
SMD-40℃~+85℃ 300mA 5,000 cycles 5.5mm 6V DPDT Rectangular Columnar SMD(SMT) Tab Surface Mount,Vertical SMD Slide Switches ROHSC&KSlide Switches
SI2333
SOT-23-55℃~+150℃ 1 P-Channel 1.25W 12V 1V 220pF 5.1A 59mΩ@1.8V 8V 920pF SOT-23 MOSFETs ROHSBORNMOSFETs
Parts
69| Qty | Value | Footprint | References |
|---|---|---|---|
| 19 | 10k | Resistor_SMD:R_0805_2012Metric | R1, R2, R3, R11, R12, R14, R15, R17, R19, R22, R23, R24, R25, R26, R28, R30 +3 |
| 8 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C2, C3, C5, C6, C7, C8, C9, C10 |
| 8 | JS202011SCQN | ISE_UltraLibrarian:SW_JS202011SCQN | locked, SW1, SW2, SW3, SW5, SW6, SW7, SW8 |
| 6 | 1k | Resistor_SMD:R_0805_2012Metric | R4, R6, R8, R13, R16, R21 |
| 5 | 1K | Resistor_SMD:R_0805_2012Metric | R18, R20, R27, R29, R31 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric | C1, C4 |
| 2 | 4.7uH | ISE_UltraLibrarian:MSS6132-xxxMLC | L1, L2 |
| 2 | 74HC4049 | Package_SO:SO-16_3.9x9.9mm_P1.27mm | U3, U4 |
| 2 | 8P8C | Connector_RJ:RJ45_Amphenol_54602-x08_Horizontal | J1, J2 |
| 2 | AP3012 | Package_TO_SOT_SMD:SOT-23-5 | U1, U2 |
| 2 | CDBM140G | ISE_Generic:SOD-123T | D1, D2 |
| 2 | WHITE LED | LED_SMD:LED_0805_2012Metric | D5, D7 |
| 2 | YELLOW LED | LED_SMD:LED_0805_2012Metric | D6, D8 |
| 1 | 22uF | Capacitor_SMD:C_0805_2012Metric | C11 |
| 1 | 330 | Resistor_SMD:R_0805_2012Metric | R10 |
| 1 | BLUE LED | LED_SMD:LED_0805_2012Metric | D4 |
| 1 | GREEN LED | LED_SMD:LED_0805_2012Metric | D3 |
| 1 | Keystone 2479 | Battery:BatteryHolder_Keystone_2479_3xAAA | BT1 |
| 1 | RED LED | LED_SMD:LED_0805_2012Metric | D9 |
| 1 | Si2333 | Package_TO_SOT_SMD:SOT-23 | Q1 |
Questions
How big is the Mss debug PCB?
It measures 50.8 × 88.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Mss debug use?
69 parts, built around the 74HC4049D, JS202011SCQN and SI2333. 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 Mss debug KiCad files?
From the IowaScaledEngineering/mss-debug repository on GitHub, at the commit this page was made from: the board is kicad/mss-debug/mss-debug.kicad_pcb and its schematic kicad/mss-debug/mss-debug.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mss debug design in my own project?
Its repository states no licence, so its author keeps all rights: ask IowaScaledEngineering before reusing the design.
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