4 layers55 × 35 mm
Pocketbeagle
beagleboard/pocketbeagle
BeagleBoard.org PocketBeagle - ultra small, ultra flexible, ultra affordable
50 parts284CC-BY-4.0
4 layers49 × 35.9 mm
BlueberryTau
SmallSatMakers/BlueberryTauSmall form factor SBC around OSD3358 class of SiPs.
- Size
- 49 × 35.9 mm
- Copper layers
- 4
- Thickness
- 1.74 mm
- Parts
- 56
- Nets
- 181
- Pads
- 529
- Tracks, vias
- 742, 407
- Pours
- 24
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 2 Mar 2022
- Updated
- 3 Mar 2022
Overview
BlueberryTau is an open-source printed circuit board by SmallSatMakers, from the SmallSatMakers/BlueberryTau repository on GitHub. It is a 4-layer board of 49 × 35.9 mm with 56 parts on 181 nets, routed with 742 tracks and 407 vias.
It is built around the OSD3358-512M-BSM, SN74LVC1G07DCK and TLVH431ACDBZR, with the MMBT2907A among its other parts. Its parts include 11 connectors, 7 capacitors, 7 resistors, 3 ICs and 1 diode.
Main components
4OSD3358-512M-BSM
BGA-256- Microcontrollers (MCU/MPU/SOC) ROHSOctavo SystemsMicrocontrollers (MCU/MPU/SOC)
SN74LVC1G07DCK
SC-70-5-40℃~+125℃ 1 1 1.65V~5.5V 10uA 32mA 4.2ns@3.3V 74LVC Open-drain Power-off isolation、Level shifting Unidirectional SC-70-5 Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffers, Drivers, Receivers, Transceivers
TLVH431ACDBZR
SOT-23-40℃~+125℃ 1.24V~18V 1.24V~18V 100uA 70mA Adjustable Parallel ±1% SOT-23 Voltage Reference ROHSTexas InstrumentsVoltage ReferenceMMBT2907A
SOT-23-55℃~+150℃ 1 PNP 100 100nA 200MHz 250mW 400mV 5V 600mA 60V PNP SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)
Parts
56| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100k | ProjectFps:RN0804 | RN1, RN2, RN3, RN4 |
| 4 | 47uF | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C7 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.2mm_M2_Pad_Via | H1, H2, H3, H4 |
| 2 | 10k | ProjectFps:RN0804 | RN5, RN6 |
| 2 | 4.75k | Resistor_SMD:R_0201_0603Metric | R6, R7 |
| 1 | 0.1uF, 6.3V | Capacitor_SMD:C_0402_1005Metric | C6 |
| 1 | 100n | Capacitor_SMD:C_0402_1005Metric | C9 |
| 1 | 10k | Resistor_SMD:R_0402_1005Metric | R3 |
| 1 | 10k | Resistor_SMD:R_0201_0603Metric | R1 |
| 1 | 10uF | Capacitor_SMD:C_0805_2012Metric | C4 |
| 1 | 40k | Resistor_SMD:R_0402_1005Metric | R4 |
| 1 | 470 | Resistor_SMD:R_0402_1005Metric | R5 |
| 1 | 500 | Resistor_SMD:R_0805_2012Metric | R2 |
| 1 | ANALOG IN | Connector_Molex:Molex_PicoBlade_53398-0871_1x08-1MP_P1.25mm_Vertical | J10 |
| 1 | DEBUG | ProjectFps:PANASONIC_AXT630124 | J4 |
| 1 | DSC1121BI5-024.0000 | Oscillator:Oscillator_SMD_Fordahl_DFAS15-4Pin_5.0x3.2mm | X1 |
| 1 | EEPROM_WREN | TestPoint:TestPoint_2Pads_Pitch2.54mm_Drill0.8mm | EPRM_EN1 |
| 1 | EPS/ACS | Connector_Molex:Molex_PicoBlade_53398-1071_1x10-1MP_P1.25mm_Vertical | J11 |
| 1 | GPIO | Connector_Molex:Molex_PicoBlade_53398-1071_1x10-1MP_P1.25mm_Vertical | J6 |
| 1 | JTAG | ProjectFps:MLE-104-01-G-DV | J3 |
| 1 | LED | LED_SMD:LED_0402_1005Metric | D1 |
| 1 | LOGO | ProjectFps:blueberrytau_logo | G*** |
| 1 | Laird LI0603G121R-10 | Resistor_SMD:R_0603_1608Metric | FB1 |
| 1 | MMBT2907* | Package_TO_SOT_SMD:SOT-723 | Q1 |
| 1 | MountingHole | MountingHole:MountingHole_2.1mm | H5 |
| 1 | OSD3358-512M-BSM | ProjectFps:OSD335X-BGA-256 | U1 |
| 1 | PMIC_DBG | Connector_PinHeader_2.00mm:PinHeader_1x02_P2.00mm_Vertical | J1 |
| 1 | PMIC_EXT_WKUP | TestPoint:TestPoint_Pad_D1.0mm | TP7 |
| 1 | PMIC_PWR_EN | TestPoint:TestPoint_Pad_D1.0mm | TP5 |
| 1 | RF | Connector_PinHeader_1.00mm:PinHeader_2x04_P1.00mm_Vertical | J9 |
| 1 | RTC_PWRONRSTN | TestPoint:TestPoint_Pad_D1.0mm | TP6 |
| 1 | SN74LVC1G07DCK | ProjectFps:SC70(TI-DCK) | IC1 |
| 1 | SPI/I2C/UART | Connector_Molex:Molex_PicoBlade_53398-1071_1x10-1MP_P1.25mm_Vertical | J8 |
| 1 | SYS_VDD1_3V3 | TestPoint:TestPoint_Pad_D1.0mm | TP10 |
| 1 | SYS_VOUT | TestPoint:TestPoint_Pad_D1.0mm | TP11 |
| 1 | SYS_VOUT_RTC | TestPoint:TestPoint_Pad_D1.0mm | TP9 |
| 1 | TE-2201778-1 | ProjectFps:TE_2201778-1 | J2 |
| 1 | TLVH431ACDBZR | Package_TO_SOT_SMD:SOT-23 | U2 |
| 1 | USB1 | Connector_Molex:Molex_PicoBlade_53398-0471_1x04-1MP_P1.25mm_Vertical | J7 |
| 1 | VBUS | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | VDD_CORE | TestPoint:TestPoint_Pad_D1.0mm | TP3 |
| 1 | VDD_DDR | TestPoint:TestPoint_Pad_D1.0mm | TP4 |
| 1 | VDD_MPU | TestPoint:TestPoint_Pad_D1.0mm | TP2 |
| 1 | VDD_PLL | TestPoint:TestPoint_Pad_D1.0mm | TP1 |
| 1 | WARMRSTN | TestPoint:TestPoint_Pad_D1.0mm | TP8 |
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Questions
How big is the BlueberryTau PCB?
It measures 49 × 35.9 mm and has 4 copper layers, 1.74 mm thick.
What parts does the BlueberryTau use?
56 parts, built around the OSD3358-512M-BSM, SN74LVC1G07DCK, TLVH431ACDBZR and MMBT2907A. 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 BlueberryTau KiCad files?
From the SmallSatMakers/BlueberryTau repository on GitHub, at the commit this page was made from: the board is kicad/blueberrytau.kicad_pcb and its schematic kicad/blueberrytau.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BlueberryTau design in my own project?
Its repository states no licence, so its author keeps all rights: ask SmallSatMakers before reusing the design.