6 layers36.3 × 46 mm
2 layers41.7 × 73.2 mm
Sulu ldo and reg panel
PisterLab/scum-dev-board1- Size
- 41.7 × 73.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 112
- Nets
- 63
- Pads
- 863
- Tracks, vias
- 977, 46
- Pours
- 25
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 29 May 2020
- Updated
- 2 Jun 2025
Overview
Sulu ldo and reg panel is an open-source printed circuit board by PisterLab, from the PisterLab/scum-dev-board repository on GitHub. It is a 2-layer board of 41.7 × 73.2 mm with 112 parts on 63 nets, routed with 977 tracks and 46 vias.
It is built around the S-85S1AB11-I6T1U, S-85S1AB18-I6T1U and LP5907MFX-1.8, with the BH1000G and ICM-20948 among its other parts. Its parts include 24 capacitors, 21 connectors, 9 resistors, 7 ICs and 3 inductors.
Main components
5
S-85S1AB11-I6T1U
SNT-6A-40℃~+85℃ 1 1.1V 1MHz 2.2V~5.5V 200mA Buck Buck Built-in Fixed Yes SNT-6A DC-DC Converters ROHSABLICDC-DC Converters
S-85S1AB18-I6T1U
SNT-6A-40℃~+85℃ 1 1.8V 1MHz 2.2V~5.5V 200mA 260nA Buck Buck Built-in Fixed Yes SNT-6A DC-DC Converters ROHSABLICDC-DC Converters
LP5907MFX-1.8
SOT-23-5-40℃~+125℃@(Tj) 1 1.8V 120mV@(250mA) 12uA 250mA 5.5V 6.5uVrms 82dB@(1kHz) Fixed Positive Under Voltage Lockout、Over Temperature Protection、Enable、Short Circuit Protection SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsBH1000G
--55℃~+180℃ - Button And Strip Battery Connector ROHSMPDButton And Strip Battery Connector
ICM-20948
QFN-24(3x3)-40℃~+85℃ 0.5KB 1.71V~3.6V 16bit 8uA Accelerometer Gyroscope SPI、I2C X,Y,Z X,Y,Z ±16g ±2000dps QFN-24(3x3) Accelerometers ROHSTDK InvenSenseAccelerometers
README
sulu-ldo/readme.md
Update from board review 2021.04.27
- Put the antenna on a solo pin
- rearrange some pins
- change through hole size to 15 mils
- nrf pin labels
Updates 2021.04.25
- New layout for compatibility with NRF
- Bunch of through holes for emergency connections
- Return of the 2986 battery clip
Updates 2021.04.14
- Austin’s requested layout
- Larger dimensions -- no longers square
- 0.1” pins
- Pins for all GPIOs
- Antenna pin
- Removed I2C for IMU
- Via holes for wiring
- 2 layer instead of 4 layer
- HARD_RESET pin
- GPO_ZERO pin instead of LED
- Swapped GPIO 12 and GPIO 13 on IMU
- Consolidated headers
- Neatened labels
- New battery clip
Updates 2020.12.05
- removed zener diode
- added GPIOs 8, 9, 10
- added ground connections near GPIO
- added labels
- moved passives around
- added ADC pins
Updates 2020.12.02
- Replaced antenna header with VDDD
- Kept LED
- 0-80 standoffs
- 0.1” -> 0.05” headers
- Removed GPIO 8-15 pins
Updates 2020.10.07
- 30mm x 30 mm
- holes for standoffs
- SR521SW battery clip
- IMU
- GPIO, 3WB, UART, VBAT, VDDIO pins
- 1.8 V Zener diode for voltage protection
- LED programming indicator
Updates 2021.01.15
- Added missing BOOT_SOURCE_SEL header
Parts
112| Qty | Value | Footprint | References |
|---|---|---|---|
| 30 | through_hole | SCUM:through_hole | GND1, GND1, GND2, GND2, GND3, GND3, GND4, GND5, GND5, GND6, J10, J11, J12, J12, J13, J14 +14 |
| 13 | NP | Capacitor_SMD:C_0402_1005Metric | C1, C3, C4, C5, C6, C7, C8, C8, C9, C9, C11, C11, C12 |
| 5 | through_hole | Capacitor_SMD:C_0402_1005Metric | C6, C7, C10, C10, C13 |
| 4 | 10 uF | Capacitor_SMD:C_0402_1005Metric | C_1.1_IN1, C_1.1_IN1, C_1.8_IN1, C_1.8_IN1 |
| 4 | 100 uF | Capacitor_SMD:C_0805_2012Metric | C_1.1_OUT1, C_1.1_OUT1, C_1.8_OUT1, C_1.8_OUT1 |
| 4 | R_Small_US | Resistor_SMD:R_0402_1005Metric | R2, R2, R3, R3 |
| 4 | — | SCUM:through_hole | GND2, J5, J8, J10 |
| 3 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C2, C3, C13 |
| 2 | 0 Ohm | Resistor_SMD:R_0402_1005Metric | R4, R4 |
| 2 | 10 uF | SCUM:through_hole | J9, J17 |
| 2 | 100 uF | SCUM:through_hole | GND4, J9 |
| 2 | 2.2 uH | Inductor_SMD:L_0402_1005Metric | L1, L2 |
| 2 | 73391-0060 | downloaded_libs:MOLEX_73391-0060 | J4, J4 |
| 2 | BH1000G | downloaded_libs:BH1000G | B1, B1 |
| 2 | Conn_02x10_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x10_P2.54mm_Vertical | J2, J2 |
| 2 | NP | SCUM:through_hole | J6, J20 |
| 2 | NP | Resistor_SMD:R_0402_1005Metric | R1, R1 |
| 2 | — | Capacitor_SMD:C_0402_1005Metric | C1, C2 |
| 1 | 0 Ohm | SCUM:through_hole | J11 |
| 1 | 0.1uF | SCUM:through_hole | J13 |
| 1 | 10 uF | SCUM:QFN-100_EP_12x12_Pitch0.4mm_Margin0.25mm | C_1.1_IN1 |
| 1 | 100 uF | Capacitor_SMD:C_0402_1005Metric | C12 |
| 1 | 2.2 uH | Capacitor_SMD:C_0402_1005Metric | L1 |
| 1 | BH1000G | SCUM:through_hole | J16 |
| 1 | Conn_02x10_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical | J3 |
| 1 | Conn_02x11_Odd_Even | SCUM:through_hole | J20 |
| 1 | ICM-20948 | Connector_PinHeader_2.54mm:PinHeader_2x11_P2.54mm_Vertical | J1 |
| 1 | LP5907MFX-1.8 | SCUM:through_hole | J5 |
| 1 | LP5907MFX-1.8 | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | NP | Connector_PinHeader_2.54mm:PinHeader_2x11_P2.54mm_Vertical | J1 |
| 1 | NP | Sensor_Motion:InvenSense_QFN-24_3x3mm_P0.4mm | U9AB1 |
| 1 | R_Small_US | SCUM:through_hole | J18 |
| 1 | R_Small_US | Capacitor_SMD:C_0402_1005Metric | R2 |
| 1 | S-85S1AB11-I6T1U | downloaded_libs:SOFL50P180X50-6N | U3 |
| 1 | S-85S1AB18-I6T1U | Connector_PinHeader_2.54mm:PinHeader_2x10_P2.54mm_Vertical | J2 |
| 1 | S-85S1AB18-I6T1U | downloaded_libs:SOFL50P180X50-6N | U2 |
| 1 | TLV70311DBVR | downloaded_libs:SOT95P280X145-5N | U3 |
| 1 | TLV70311DBVR | SCUM:through_hole | GND6 |
| 1 | scum3 | SCUM:QFN-100_EP_12x12_Pitch0.4mm_Margin0.25mm | U1 |
| 1 | through_hole | Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical | J3 |
| 1 | — | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J4 |
| 1 | — | Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical | J3 |
| 1 | — | Sensor_Motion:InvenSense_QFN-24_3x3mm_P0.4mm | U9AB1 |
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Questions
How big is the Sulu ldo and reg panel PCB?
It measures 41.7 × 73.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Sulu ldo and reg panel use?
112 parts, built around the S-85S1AB11-I6T1U, S-85S1AB18-I6T1U, LP5907MFX-1.8 and BH1000G. 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 Sulu ldo and reg panel KiCad files?
From the PisterLab/scum-dev-board repository on GitHub, at the commit this page was made from: the board is sulu-panelized/sulu_ldo_and_reg_panel.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Sulu ldo and reg panel design in my own project?
Its repository states no licence, so its author keeps all rights: ask PisterLab before reusing the design.