2 layers100 × 75 mm
2 layers80 × 50 mm
SSCosmicRay
ethanharstad/SSCosmicRay1Photodiode cosmic ray detector
- Size
- 80 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 139
- Nets
- 72
- Pads
- 415
- Tracks, vias
- 622, 39
- Pours
- 8
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 20 Sep 2013
- Updated
- 28 Nov 2014
Overview
SSCosmicRay is an open-source printed circuit board by ethanharstad, from the ethanharstad/SSCosmicRay repository on GitHub. It is a 2-layer board of 80 × 50 mm with 139 parts on 72 nets, routed with 622 tracks and 39 vias.
It is built around the STM32L151C6T6, AOZ1280CI and AD8616ARZ, with the LM2903DT, TPS73133DBV and VBPW34FASR among its other parts. Its parts include 47 capacitors, 40 resistors, 36 diodes, 10 ICs and 2 connectors. It belongs with the STM32 boards of this library.
Main components
7
STM32L151C6T6
LQFP-48(7x7)-40℃~+85℃ 1.8V~3.6V 10KB 12bit 12bit 32 Bit 32KB 32MHz 37 4KB ARM Cortex-M3 Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
AOZ1280CI
SOT-23-6-40℃~+85℃ 1 1.2A 1.5MHz 1mA 3V~26V 800mV~26V Adjustable Buck Built-in No Overcurrent Protection、Cycle-by-cycle current limiting、Hiccup current limiting Step-down type SOT-23-6 DC-DC Converters ROHSAlpha & Omega SemiconductorDC-DC Converters
AD8616ARZ
SOIC-8-40℃~+125℃ 0.2pA 0.5pA 100dB 10nV/√Hz@1kHz 12V/us 150mA 2 2.7V~5V 24MHz 2mA 60uV 7uV/℃ Built-in compensation、Reverse-phase input protection Rail-to-Rail Input, Rail-to-Rail Output SOIC-8 Precision Op Amps ROHSAnalog DevicesPrecision Op AmpsLM2903DT
SO-8-40℃~+125℃ 2 2.5mA 250nA 2V~36V 7mV TTL、CMOS SO-8 Comparators ROHSSTMicroelectronicsComparators
TPS73133DBV
SOT-23-5-40℃~+125℃@(Tj) 1 100mV@(150mA) 150mA 3.3V 30uVrms 400uA 5.5V 58dB@(100Hz) Fixed Over Current Protection、Enable、Thermal Shutdown Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
VBPW34FASR
SMD,4.4x3.9mm-40℃~+100℃ 215mW 2nA 60V 780nm~1050nm 950nm ±65° SMD,4.4x3.9mm Photodiodes ROHSVishay IntertechnologyPhotodiodes
CDBA140-HF
SMA(DO-214AC)-50℃~+150℃ 1A 30A 40V 500mV@1A 500uA@40V Independent SMA(DO-214AC) Schottky Diodes ROHSComchipSchottky Diodes
README
README.mdSSCosmicRay
Cosmic ray detectors are a common physics experiment and frequently flown on balloons to measure the change in cosmic ray flux with altitude. These experiments are typically performed with off the shelf Geiger–Müller tube based detectors. G-M tubes are typically quite expensive and involve high voltages which can become difficult to manage in the near vacuum experienced with high altitude balloons. A reverse biased photodiode can be used in much the same way as a G-M tube but with lower cost, lower voltage, almost no dead time, and the additional benefit of an output voltage proportional to the radiation energy.
Inspired by a Maxim application note.
Parts
139| Qty | Value | Footprint | References |
|---|---|---|---|
| 32 | VBPW34FASR | DIOC-BPW34R | D1, D2, D10, D11, D12, D13, D14, D15, D16, D19, D20, D21, D22, D23, D24, D25 +16 |
| 22 | 0.1uF | CAPC1608-N | C1, C2, C12, C13, C15, C17, C18, C19, C20, C21, C23, C25, C26, C27, C28, C30 +6 |
| 14 | 10k | RESC1608-N | R5, R7, R11, R12, R14, R15, R16, R17, R28, R30, R34, R35, R42, R43 |
| 10 | 1000pF | CAPC1608-N | C3, C5, C6, C10, C11, C29, C31, C32, C36, C37 |
| 8 | 1M | RESC1608-N | R1, R2, R9, R10, R24, R25, R32, R33 |
| 6 | 100k | RESC1608-N | R6, R8, R13, R29, R31, R36 |
| 5 | AD8616 | SOP65P490-8N | U1, U2, U3, U6, U7 |
| 4 | 10M | RESC1608-N | R3, R4, R26, R27 |
| 4 | 10uF | CAPC2012-N | C16, C39, C40, C43 |
| 4 | 150 | RESC1608-N | R20, R21, R22, R23 |
| 4 | 1uF | CAPC2012-N | C14, C42, C44, C46 |
| 4 | C | CAPC1608-N | C7, C8, C33, C34 |
| 2 | 33pF | CAPC1608-N | C22, C24 |
| 2 | CDBA140 | SODFL5126-N | D35, D36 |
| 2 | LED-DUAL | LED-DUAL-VERT-300 | D17, D18 |
| 2 | R | RESC1608-N | R38, R39 |
| 1 | 0.01uF | CAPC1608-N | C41 |
| 1 | 10uH | INDC3225-N | L2 |
| 1 | 15.8k | RESC1608-N | R41 |
| 1 | 49.9k | RESC1608-N | R40 |
| 1 | 8MHz | XTAL-2SMD-60x35 | X1 |
| 1 | AOZ1280 | SOT95P280-6N | U8 |
| 1 | CONN-9 | CONN-TE-1734354 | J2 |
| 1 | EMI | SHIELD-BMI-S-105 | SH1 |
| 1 | FERRITE | INDC1608-N | FB1 |
| 1 | ICSP-CORTEX | CONN-TC-2030-NL | J1 |
| 1 | LM2903DT | SOP65P490-8N | U5 |
| 1 | MAX5026 | SOT95P280-6N | U9 |
| 1 | STM32L151C6T6 | QFP50P900X900-48N | U4 |
| 1 | TPS73133 | SOT95P280-5N | U10 |
Questions
How big is the SSCosmicRay PCB?
It measures 80 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the SSCosmicRay use?
139 parts, built around the STM32L151C6T6, AOZ1280CI, AD8616ARZ and LM2903DT. 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 SSCosmicRay KiCad files?
From the ethanharstad/SSCosmicRay repository on GitHub, at the commit this page was made from: the board is Hardware/SSCosmicRay.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the SSCosmicRay design in my own project?
Its repository states no licence, so its author keeps all rights: ask ethanharstad before reusing the design.
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