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2 layers38 × 200 mmSPACEDOS02A PCB01A, the printed circuit board in 3D

Solid-state PIN diode dosimeter for manned spacecraft. Liulin detector replacement.

Size
38 × 200 mm
Copper layers
2
Thickness
1.6 mm
Parts
120
Nets
64
Pads
380
Tracks, vias
593, 265
Pours
2
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
26 Apr 2019
Updated
17 Feb 2024

Overview

SPACEDOS02A PCB01A is an open-source printed circuit board by UniversalScientificTechnologies, from the UniversalScientificTechnologies/SPACEDOS02 repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 38 × 200 mm with 120 parts on 64 nets, routed with 593 tracks and 265 vias.

It is built around the ATMEGA1284P-AU, BMI-S-210-F and OPA2314M/TR, with the TPS613222ADBV, AT24CS64-SSHM-B and PCF85263AT/AJ among its other parts. Its parts include 47 capacitors, 28 connectors, 27 resistors, 9 ICs and 2 diodes. It belongs with the AVR (ATmega, ATtiny) boards of this library.

Main components

10

README

README.md

SPACEDOS02A - PIN diode dosimeter for manned spacecraft

SPACEDOS is a miniature and lightweight version of AIRDOS02 cosmic radiation dosimeter modified for use onboard manned spacecraft.

SPACEDOS02A device from bottom side SPACEDOS02A device from top side

The device is currently being used onboard ISS. The following pictures show the processed data from the flight. Here is a radiation map, where the South Atlantic Anomaly is visible.

ISS radiation map

The following spectrum is a cumulative sum of all the measured particles during the flight.

ISS radiation spectra

Technical parameters are as follows:

  • Silicon PIN diode detector with 0.22 x 10 x 20 ~ 44 mm³ detection volume
  • Measurement environment: atmosphere > 70 kPa
  • Measurement endurance: 120 days (4 months of measurement)
  • Number of energy channels: 240
  • Integration time: Customizable in a wide range from milliseconds to minutes
  • Deposited energy range: from 180 keV to 8.5 MeV
  • Energy measurement resolution: < 50 keV/channel
  • Thermal stability: 1 channel per 12 °C
  • Power supply: battery 3.6 V LS 33600
  • Power consumption: < 10 mW during measurement, < 120 mW during writing to SD card
  • Data storage media: Standard size SDcard, Industry-grade SLC SD card
  • Interface: RS232/UART 3.3V TTL
  • Radiation durability: 50 mGy - currently limited by the durability of a storage media
  • Dimensions(HxWxL): 60mm x 39mm x 113 mm
  • Mass / (including battery): 58/148 g

Relevant scientific publications

Parts

120
QtyValueFootprintReferences
23100nFMlab_R:SMD-0805C2, C10, C11, C12, C13, C14, C16, C20, C25, C26, C27, C28, C30, C31, C32, C34 +7
22HEADER_1x01Mlab_Pin_Headers:Straight_1x01J10, J11, J12, J13, J14, J15, J16, J17, J18, J20, J21, J23, J24, J25, J26, J27 +6
1310uFMlab_R:SMD-0805C4, C6, C7, C8, C9, C21, C22, C23, C33, C36, C40, C42, C50
8100Mlab_R:SMD-0805R14, R16, R17, R18, R24, R25, R26, R27
510kMlab_R:SMD-0805R7, R12, R20, R21, R23
54k7Mlab_R:SMD-0805R9, R11, R15, R19, R22
4470RMlab_R:SMD-0805R2, R3, R4, R5
34u7Mlab_R:SMD-0805C3, C17, C43
21kMlab_R:SMD-0805R8, R10
2HEADER_2x01_PARALLELMlab_Pin_Headers:Straight_1x02J2, J3
2NFM21PC105-1uFMlab_L:FIR_0805C29, C52
2OPA2314Mlab_IO:SOIC-8_3.9x4.9mm_Pitch1.27mmU1, U2
110MMlab_R:SMD-0805R6
110RMlab_R:SMD-0805R1
110uH - LQH32CN100K23LMlab_R:SMD-1210L1
11nF/NP0Mlab_R:SMD-0805C19
11pFNP0 251R15S1R0AV4EMlab_R:SMD-0805C5
11uFMlab_R:SMD-0805C24
122uFMlab_C:TantalC_SizeC_ReflowC1
12R2Mlab_R:SMD-0805F2
12k2Mlab_R:SMD-0805R13
12n2Mlab_R:SMD-0805C18
13n3Mlab_R:SMD-0805C15
1ABS07-120-32.768KHZ-TMlab_XTAL:ABS07Y2
1AT24CS64-SSHMPackage_SO:SOIC-8_3.9x4.9mm_P1.27mmU6
1ATMEGA1284P-AUPackage_QFP:TQFP-44_10x10mm_P0.8mmU10
1BMI-S-210-FRF_Shielding:Laird_Technologies_BMI-S-210-F_44.00x30.50mmM8
1BMI-S-210-FMlab_Mechanical:BMI-S-210-FM6
1BX0037Mlab_Batery:BX0037_nez_sroubuBT1
1BZV55C-5,6VDiode_SMD:D_MiniMELFD3
1DFE252012P-4R7MResistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolderL3
1HEADER_2x01_PARALLELMlab_Pin_Headers:Straight_2x01J19
1HEADER_2x03Mlab_Pin_Headers:SMD_2x03J22
1ISL21080DIH312Z-TK 1V25Package_TO_SOT_SMD:SOT-23U3
1PCF85263AMlab_IO:TSSOP-10_3x3mm_Pitch0.5mmU11
1S11773-02Mlab_D:HAMAMATSU_S2744-09D1
1SD_Card-ConnectorMlab_CON:MCC-SDJ1
1SD_Card-FPS009-4200-0Mlab_CON:FPS009-4200-0J28
1TPS613222ADBVPackage_TO_SOT_SMD:SOT-23-5U8
1TS5A4594Package_TO_SOT_SMD:SOT-23-5_HandSolderingU5
1TS7211Package_TO_SOT_SMD:SOT-23-5_HandSolderingU4

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Questions

How big is the SPACEDOS02A PCB01A PCB?

It measures 38 × 200 mm and has 2 copper layers, 1.6 mm thick.

What parts does the SPACEDOS02A PCB01A use?

120 parts, built around the ATMEGA1284P-AU, BMI-S-210-F, OPA2314M/TR and TPS613222ADBV. 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 SPACEDOS02A PCB01A KiCad files?

From the UniversalScientificTechnologies/SPACEDOS02 repository on GitHub, at the commit this page was made from: the board is hw/sch_pcb/SPACEDOS02A_PCB01A/SPACEDOS02A_PCB01A.kicad_pcb and its schematic hw/sch_pcb/SPACEDOS02A_PCB01A/SPACEDOS02A_PCB01A.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the SPACEDOS02A PCB01A design in my own project?

Its repository publishes it under the GPL-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).