2 layers70.6 × 40.1 mm
2 layers70.6 × 50.3 mm
USTSIPIN03
ust-modules/USTSIPIN03Semiconductor based ionizing radiation dosimeter and spectrometer.
- Size
- 70.6 × 50.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 100
- Nets
- 57
- Pads
- 312
- Tracks, vias
- 674, 56
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 12 Nov 2023
- Updated
- 1 Sep 2026
Overview
USTSIPIN03 is an open-source printed circuit board by ust-modules, from the ust-modules/USTSIPIN03 repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 70.6 × 50.3 mm with 100 parts on 57 nets, routed with 674 tracks and 56 vias.
It is built around the SN74LVC2T45DCU, OPA314M/TR and AT24CS64-SSHM-B, with the ISL21080CIH341Z-TK, ISL21080DIH309Z-TK and MIC5504-3.3YM5-TR among its other parts. Its parts include 48 capacitors, 18 resistors, 14 ICs, 1 diode and 1 transistor.
Main components
10
SN74LVC2T45DCU
VSSOP-8-0.5mm-40℃~+85℃ 1.65V~5.5V 10uA 2 2 32mA 32mA 74LVC Bidirectional Tri-State VSSOP-8 Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffer/Driver/Transceiver
OPA314M/TR
SOP-8-2.75V~-1.05V、1.05V~2.75V -40℃~+125℃ 1 1.66V/us 18nV/√Hz@1kHz 1pA 2.1V~5.5V 2.4uV/℃ 250uA 3.5mV 35mA 3MHz 64pA 82dB Enable/shutdown function、Built-in compensation Rail-to-Rail Input, Rail-to-Rail Output SOP-8 Operational Amplifier ROHSHGSEMIOperational Amplifier
AT24CS64-SSHM-B
SOIC-8-40℃~+85℃ 1,000,000 cycles 1.7V~5.5V 100 years 1MHz 3mA 5ms 64Kbit 6uA 900ns Hardware write protection function、Noise suppression function、Built-in power-on reset (POR) I2C SOIC-8 EEPROM ROHSMicrochip TechnologyEEPROM
ISL21080CIH341Z-TK
SOT-23-3-40℃~+85℃@(Ta) 1.5uA 30uVp-p 4.096V 4.5V~8V 50ppm/℃ 52uVrms 7mA Fixed Series ±0.2% SOT-23-3 Voltage Reference ROHSRenesas ElectronicsVoltage Reference
ISL21080DIH309Z-TK
SOT-23-40℃~+85℃@(Ta) 1.5uA 10uVrms 2V~5.5V 50ppm/℃ 7mA 900mV Fixed Series ±0.7% SOT-23 Voltage Reference ROHSRenesas ElectronicsVoltage Reference
MIC5504-3.3YM5-TR
SOT-23-5-40℃~+125℃@(Tj) 1 160mV@(300mA) 175uVrms 3.3V 300mA 38uA 5.5V 60dB@(1kHz) Fixed Over Current Protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
SHT31-DIS-F
DFN-8DFN-8 New Arrivals ROHSSensirionUncategorisedSN74LVC2G74DCU
VSSOP-8-0.5mm-40℃~+125℃ 1 1 1.1ns 1.65V~5.5V 10uA 200MHz 32mA 32mA 4.4ns@5V,50pF 500ps 5pF 74LVC Series Asynchronous Complementary D-Type Rising Edge Set and Reset VSSOP-8 Flip Flops ROHSTexas InstrumentsFlip FlopsTS3021ILT
SOT-23-5-40℃~+125℃ 1 1.8V~5V 105ns 160nA 6mV 79dB 90uA CMOS Rail-to-Rail Input SOT-23-5 Comparators ROHSSTMicroelectronicsComparators
2SK2394-6-TB-E
TO-236-31 N-channel 10mA 10pF 2.9pF 200mW 300mV N-Channel TO-236-3 JFETs ROHSonsemiJFETs
README
README.mdUSTSIPIN03 - Semiconductor-based ionizing radiation dosimeter and spectrometer analog front-end
The USTSIPIN03 is developed as a single-board improved variant of the PIND02 and PCRD07 modules from the MLAB.cz development system. The analog front-end is the sensing component of the AIRDOS04 cosmic radiation detector and dosimeter.
Features
- High-sensitivity silicon semiconductor PIN diode detector front-end
- Low-noise analog signal chain optimized for wide-energy radiation detection
- Designed for spectrometric and dosimetric measurements
- Suitable for connection to system MCU or FPGA via SPI interface
- Auxiliary I2C interface for service and calibration data access
Electrical and Interface Specifications
- Power supply: +5 V DC
- Maximum power consumption: 5.5 mA (28 mW)
- Main data interface: SPI with up to 15 MHz system clock
- Service interface: I2C with access to
- Temperature and humidity sensors
- Unique serial number
- Calibration memory
- Dimensions: 70.65 x 50.3 x 10 mm
- Mass: 24 g (including connector)
Measurement Specifications
- Detection element: Silicon PIN diode, volume 44 mm³
- Effective number of energy channels: ~65000
- Deposited energy range: 40 keV to 80 MeV
- Spectral resolution: 15 ±2 keV
- Maximum sampling rate: 250 kHz
- Measurement modes:
- Pulse counting
- Deposited energy spectroscopy
- Dose rate estimation
Applications
- Cosmic ray detection
- Environmental radiation monitoring
- Portable dosimetry systems
- Radiation protection systems
Related Projects
Parts
100| Qty | Value | Footprint | References |
|---|---|---|---|
| 27 | 100nF | Capacitor_SMD:C_0805_2012Metric | C1, C2, C4, C10, C12, C14, C17, C18, C19, C20, C28, C30, C33, C36, C38, C41 +11 |
| 9 | 10uF | Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A | C3, C6, C9, C11, C13, C21, C26, C27, C34 |
| 5 | 4k7 | Resistor_SMD:R_0805_2012Metric | R12, R14, R15, R16, R17 |
| 4 | 10k | Resistor_SMD:R_0805_2012Metric | R4, R5, R29, R30 |
| 4 | 10uF | Capacitor_SMD:C_0805_2012Metric | C39, C40, C49, C51 |
| 4 | Fiducial | Fiducial:Fiducial_1mm_Mask2mm | FID1, FID2, FID3, FID4 |
| 4 | HOLE | Mlab_Mechanical:MountingHole_3mm | M1, M2, M3, M4 |
| 3 | 100 | Resistor_SMD:R_0805_2012Metric | R1, R2, R3 |
| 3 | 1uF | Capacitor_SMD:C_1210_3225Metric | C22, C29, C32 |
| 3 | 470R | Resistor_SMD:R_0805_2012Metric | R10, R19, R21 |
| 3 | SN74LVC2T45DCU | Package_SO:VSSOP-8_2.3x2mm_P0.5mm | U12, U13, U14 |
| 2 | 1nF | Capacitor_SMD:C_0805_2012Metric | C16, C48 |
| 2 | AD8691 | Package_TO_SOT_SMD:TSOT-23-5 | U2, U4 |
| 2 | Signal | TestPoint:TestPoint_Pad_D1.0mm | TP1, TP3 |
| 2 | SolderJumper_3_Bridged12 | Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm | JP2, JP3 |
| 1 | 10 | Resistor_SMD:R_0805_2012Metric | R6 |
| 1 | 10M | Resistor_SMD:R_0805_2012Metric | R13 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R7 |
| 1 | 1pF | Capacitor_SMD:C_0805_2012Metric | C25 |
| 1 | 1uF | Mlab_L:FIR_0805 | C37 |
| 1 | 2SK2394-6 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | 3n3 | Capacitor_SMD:C_0805_2012Metric | C15 |
| 1 | AGND | TestPoint:TestPoint_Pad_D1.0mm | TP2 |
| 1 | AT24CS64-SSHM | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U11 |
| 1 | HEADER_2x15 | Mlab_Pin_Headers:Straight_2x15 | J1 |
| 1 | ISL21080CIH341Z-TK | Package_TO_SOT_SMD:SOT-23 | U1 |
| 1 | ISL21080DIH309 | Package_TO_SOT_SMD:SOT-23 | U10 |
| 1 | Jumper_2_Bridged | NetTie:NetTie-2_SMD_Pad0.5mm | JP1 |
| 1 | LOGO | MLAB_LOGA:UST | G1 |
| 1 | LTC1865-MS | Package_SO:MSOP-10_3x3mm_P0.5mm | U3 |
| 1 | MIC5504-3.3YM5-TR | Package_TO_SOT_SMD:SOT-23-5 | U15 |
| 1 | NL03KT330 | Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L1 |
| 1 | OPA314 | Package_TO_SOT_SMD:SOT-23-5 | U8 |
| 1 | RFShield_TwoPieces | RF_Shielding:Laird_Technologies_BMI-S-210-F_44.00x30.50mm | M5 |
| 1 | S2744-09 | Mlab_D:HAMAMATSU_S2744-09 | D1 |
| 1 | SHT31-DIS | Sensor_Humidity:Sensirion_DFN-8-1EP_2.5x2.5mm_P0.5mm_EP1.1x1.7mm | U7 |
| 1 | SN74LVC2G74 | Package_SO:VSSOP-8_2.3x2mm_P0.5mm | U5 |
| 1 | TS3021ILT | Package_TO_SOT_SMD:SOT-23-5 | U6 |
Questions
How big is the USTSIPIN03 PCB?
It measures 70.6 × 50.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the USTSIPIN03 use?
100 parts, built around the SN74LVC2T45DCU, OPA314M/TR, AT24CS64-SSHM-B and ISL21080CIH341Z-TK. 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 USTSIPIN03 KiCad files?
From the ust-modules/USTSIPIN03 repository on GitHub, at the commit this page was made from: the board is hw/sch_pcb/USTSIPIN03.kicad_pcb and its schematic hw/sch_pcb/PIN_detector.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the USTSIPIN03 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).
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