
PowerSubmodule
SarahTallack/Power_Submodule
Power submodule design for perch scale design project. Custom power supply PCB.

Power submodule design for perch scale design project. Custom power supply PCB.
PowerSubmoduleVersion1 is an open-source printed circuit board by SarahTallack, from the SarahTallack/Power_Submodule repository on GitHub. It is a 2-layer board of 100 × 100 mm with 60 parts on 83 nets, routed with 223 tracks and 12 vias.
It is built around the SHT30-DIS, TPS63030DSKR and SI2301CDS. Its parts include 14 connectors, 13 resistors, 9 capacitors, 4 ICs and 3 diodes.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | Conn_01x02_Male | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1, J9, J10, J11, J12, J13, J14, J15, J16 |
| 7 | TestPoint | TestPoint:TestPoint_Pad_D2.0mm | TP1, TP2, TP3, TP4, TP5, TP6, TP7 |
| 5 | 100n | Capacitor_SMD:C_0603_1608Metric | C2, C3, C4, C6, C7 |
| 4 | LOGO | LOGO | G***, G***, G***, G*** |
| 3 | 1k | Resistor_SMD:R_0603_1608Metric | R5, R6, R13 |
| 2 | 10k | Resistor_SMD:R_0402_1005Metric | R8, R9 |
| 2 | 10uF | Capacitor_SMD:C_0402_1005Metric | C8, C9 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric | R10, R11 |
| 2 | Conn_01x08_Male | Connector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_Vertical | J4, J5 |
| 2 | Jumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1, JP2 |
| 2 | Li-Ion Battery | Battery:BatteryHolder_Keystone_1042_1x18650 | BT1, BT2 |
| 1 | 1.2k | Resistor_SMD:R_0603_1608Metric | R7 |
| 1 | 100k | Resistor_SMD:R_0402_1005Metric | R12 |
| 1 | 180k | Resistor_SMD:R_0603_1608Metric | R2 |
| 1 | 1u | Capacitor_SMD:C_0805_2012Metric | C5 |
| 1 | 200k | Resistor_SMD:R_0805_2012Metric | R1 |
| 1 | 20k | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 330m | Resistor_SMD:R_0805_2012Metric | R4 |
| 1 | 4.7u | SarahFootprints:IND-SMD_L4.0-W4.0 | L1 |
| 1 | 4.7u | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | Diode | Diode_SMD:D_SOD-123 | D4 |
| 1 | GPIO | Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical | J7 |
| 1 | HT75xx-1-SOT89 | Package_TO_SOT_SMD:SOT-89-3 | U2 |
| 1 | RLED | LED_SMD:LED_0603_1608Metric | D3 |
| 1 | SHT30-DIS | Sensor_Humidity:Sensirion_DFN-8-1EP_2.5x2.5mm_P0.5mm_EP1.1x1.7mm | U5 |
| 1 | Si2301CDS | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | TP4056_1 | Package_SO:HSOP-8-1EP_3.9x4.9mm_P1.27mm_EP2.3x2.3mm | U4 |
| 1 | TPS63030DSKR | Package_SON:WSON-10-1EP_2.5x2.5mm_P0.5mm_EP1.2x2mm | U1 |
| 1 | USB_C_Receptacle | SarahFootprints:USB-TYPE-C-TH_USB-306A-B-SU | J8 |
| 1 | USB_Micro_B_Female_Connector | SarahFootprints:C404969_Micro_USB | J3 |
| 1 | YLED | LED_SMD:LED_0805_2012Metric | D2 |

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It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
60 parts, built around the SHT30-DIS, TPS63030DSKR and SI2301CDS. 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.
From the SarahTallack/Power_Submodule repository on GitHub, at the commit this page was made from: the board is PowerSubmoduleVersion1/PowerSubmoduleVersion1.kicad_pcb and its schematic PowerSubmodule/BatteryCharging.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask SarahTallack before reusing the design.