4 layers24.8 × 20.4 mm
4 layers62.8 × 75.6 mm
Dss sunsensor panel
foresail/fs1_dss_sun_sensorForesail-1 DSS Sun Sensor
- Size
- 62.8 × 75.6 mm
- Copper layers
- 4
- Thickness
- 0.8 mm
- Parts
- 292
- Nets
- 192
- Pads
- 684
- Tracks, vias
- 1,024, 232
- Pours
- 16
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 21 Nov 2024
- Updated
- 24 Mar 2026
Overview
Dss sunsensor panel is an open-source printed circuit board by foresail, from the foresail/fs1_dss_sun_sensor repository on GitHub, published under the CERN-OHL-W-2.0 licence. It is a 4-layer board of 62.8 × 75.6 mm with 292 parts on 192 nets, routed with 1,024 tracks and 232 vias.
It is built around the LTC3200ES6-5 and TLV733PDBV. Its parts include 40 capacitors, 28 resistors, 20 ICs, 8 diodes and 8 connectors. It belongs with the sensors and measurement boards and the MSP430 boards of this library.
Main components
2README
README.mdForesail-1 DSS Sun Sensor
This repository contains the public available design files for the DSS sun sensor designed for the Foresail-1 Cubesat.
The performance and testing of this sensor has been documented in this article.
The general characteristics of sensor design are:
- Dimensions: 20.4 mm × 24.8 mm × 7 mm
- Mass: 4.4 grams
- Panel mountedable into 14x14 mm hole with two M2 screws.
- Electrical connection by soldering on the panel PCB or by harness.
- FOV: ~30 degrees, resolution: 0.027°, accuracy: ±0.008°
- Refresh rate up to 38 Hz. (Sampling time: 15 ms + communication overhead)
- Can provide following data products:
- Raw current measurements
- Point & intensity measurements
- Sun vector & intensity measurements
- Angles & intensity measurements
- I2C digital serial interface (hardware version 4)
- RS-485 digital interface (hardware version 5)
- Low power consumption < 4 mW when active
- Nominal operating voltage: 3.6 - 3.8V: Can be extened easily to 2.0 – 5.5 V.
Documentation
- Research Paper
- FS1 ADCS DSS Sun Sensor Design Document
- Version 4 schematic (I2C variant)
- Version 4 firmware source code
- Version 5 schematic (RS-485 variant)
- Version 5 firmware source code
- Calibration and test tools for PC
- Mechanical design files
Licence
The design is licenced under CERN Open Hardware Licence Version 2
Parts
292| Qty | Value | Footprint | References |
|---|---|---|---|
| 168 | NPTH | NPTH | KiKit_MB_10_1, KiKit_MB_10_2, KiKit_MB_10_3, KiKit_MB_10_4, KiKit_MB_11_1, KiKit_MB_11_2, KiKit_MB_11_3, KiKit_MB_11_4, KiKit_MB_12_1, KiKit_MB_12_2, KiKit_MB_12_3, KiKit_MB_12_4, KiKit_MB_13_1, KiKit_MB_13_2, KiKit_MB_13_3, KiKit_MB_13_4 +152 |
| 20 | 100nF | Capacitor_SMD:C_0402_1005Metric | C2, C2, C2, C2, C3, C3, C3, C3, C4, C4, C4, C4, C5, C5, C5, C5 +4 |
| 16 | 10k | Resistor_SMD:R_0402_1005Metric | R1, R1, R1, R1, R101, R101, R101, R101, R102, R102, R102, R102, R103, R103, R103, R103 |
| 16 | Mounting_Hole | MountingHole:MountingHole_2.2mm_M2 | MK101, MK101, MK101, MK101, MK102, MK102, MK102, MK102, MK103, MK103, MK103, MK103, MK104, MK104, MK104, MK104 |
| 12 | 1.0uF | Capacitor_SMD:C_0603_1608Metric | C101, C101, C101, C101, C102, C102, C102, C102, C113, C113, C113, C113 |
| 8 | LED | LED_SMD:LED_0603_1608Metric | D101, D101, D101, D101, D102, D102, D102, D102 |
| 8 | R | Resistor_SMD:R_0402_1005Metric | R105, R105, R105, R105, R106, R106, R106, R106 |
| 4 | 100n | Capacitor_SMD:C_0402_1005Metric | C6, C6, C6, C6 |
| 4 | 1k | Resistor_SMD:R_0402_1005Metric | R2, R2, R2, R2 |
| 4 | 4.7uF | Capacitor_SMD:C_0603_1608Metric | C1, C1, C1, C1 |
| 4 | LTC3200ES6-5 | Package_TO_SOT_SMD:SOT-23-6 | U3, U3, U3, U3 |
| 4 | MSP430FR5739_0 | Foresail1p_IC:TSSOP-38_6.1mm | IC1, IC1, IC1, IC1 |
| 4 | Main Connector | Connector_PinHeader_1.27mm:PinHeader_1x04_P1.27mm_Horizontal | J102, J102, J102, J102 |
| 4 | Programming connector | Connector_PinHeader_1.27mm:PinHeader_1x03_P1.27mm_Horizontal | J104, J104, J104, J104 |
| 4 | Q_NMOS_GSD | Package_TO_SOT_SMD:SOT-23 | Q101, Q101, Q101, Q101 |
| 4 | S9132 | Foresail1p_IC:S9132 | U1, U1, U1, U1 |
| 4 | THVD1450DGKR | Foresail1p_IC:SOP65P490X110-8N | U4, U4, U4, U4 |
| 4 | TLV733P | Package_TO_SOT_SMD:SOT-23-5 | U2, U2, U2, U2 |
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Questions
How big is the Dss sunsensor panel PCB?
It measures 62.8 × 75.6 mm and has 4 copper layers, 0.8 mm thick.
What parts does the Dss sunsensor panel use?
292 parts, built around the LTC3200ES6-5 and TLV733PDBV. 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 Dss sunsensor panel KiCad files?
From the foresail/fs1_dss_sun_sensor repository on GitHub, at the commit this page was made from: the board is v5/pcb/dss_sunsensor_panel.kicad_pcb and its schematic v4/pcb/dss_sunsensor.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Dss sunsensor panel design in my own project?
Its repository publishes it under the CERN-OHL-W-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).