PWB.003
About the PWB.003 PCB
PWB.003 is an open source PCB design by MuffinKing-jpeg, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 61 × 31.5 mm, with 48 components from 29 distinct parts.
Other key parts include the TPS63070RNMR and BQ24073RGT. By type, the board carries 20 resistors, 11 capacitors, 6 connectors, 4 transistors, 3 diodes and 2 ICs.
It belongs with the power & battery designs in this gallery.
From the project
PCB for powering something from 1S LI-PO/LI-ION or USB
PCB for powering something from 1S LI-PO or USB. Uses PMIC with integrated power mux.
Schematics: Schematics Mechanical: Mechanical BOM: BOM
- Configurable output - Up to 3.5A input - 2.5v\<VOUT\<16v - Battery charging and protection - low quiescent power consumption (In theory, still not tested) - OVP, OCP, UVP (as claimed in datasheet for BQ24073RGT)
- 5x1 P1.25 for control communication with MCU - 1x4 P2.54 for powering directly from BMS and measuring battery voltage - 1x3 P2.00 for connecting LI-PO - XT30 for input from battery - XT30 for output after buck-bust - USB-C for charging
Main components on the PWB.003
PWB.003 bill of materials (BOM)
48 components, 29 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TPS63070RNMR | VREG_TPS63070RNMR | U1 |
| 1 | BQ24073RGT | VQFN-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm | U2 |
| 3 | IRLML6402TR | SOT-23 | Q1, Q2, Q4 |
| 1 | 2N7002 | SOT-23 | Q3 |
| 1 | USB_C_RECEPTACLE_POWERONLY_6P USB_C_Receptacle_PowerOnly_6P | USB_C_Receptacle_GCT_USB4125-xx-x-0190_6P_TopMnt_Horizontal | J1 |
| 1 | XT30PW-F | AMASS_XT30PW-F | J2 |
| 1 | XT30PW-M | AMASS_XT30PW-M | J3 |
| 1 | C5368765 BAT | JST_PH_S3B-PH-K_1x03_P2.00mm_Horizontal | J4 |
| 1 | CONN_01X04_PIN Conn_01x04_Pin | JST_EH_S4B-EH_1x04_P2.50mm_Horizontal | J5 |
| 1 | CONN_01X05_PIN Conn_01x05_Pin | Hirose_DF13-05P-1.25DS_1x05_P1.25mm_Horizontal | J6 |
| 1 | 200K 200k | Potentiometer_Bourns_TC33X_Vertical | RV1 |
| 1 | CNTRL_PG | LED_0805_2012Metric | D1 |
| 1 | PMIC_PG | LED_0805_2012Metric | D2 |
| 1 | CHRG | LED_0805_2012Metric | D3 |
| 1 | 1.5UH 1.5uh | L_Coilcraft_XAL4020-XXX | L1 |
| 3 | 4.7U 4.7u | C_0805_2012Metric | C1, C9, C10 |
| 4 | 10U 10u | C_0805_2012Metric | C2, C3, C4, C5 |
| 3 | 22U 22u | C_0805_2012Metric | C6, C7, C8 |
| 1 | 100N 100n | C_0805_2012Metric | C11 |
| 3 | 5.1K 5.1k | R_0805_2012Metric | R1, R2, R5 |
Show 9 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 0 | R_0805_2012Metric | R3 |
| 4 | 1.1K 1.1k | R_0805_2012Metric | R4, R12, R18, R19 |
| 1 | 3.3K 3.3k | R_0805_2012Metric | R6 |
| 1 | 470K 470k | R_0805_2012Metric | R7 |
| 1 | 33K 33k | R_0805_2012Metric | R8 |
| 3 | 10K 10k | R_0805_2012Metric | R9, R13, R20 |
| 1 | 1k | R_0805_2012Metric | R10 |
| 2 | 1M | R_0805_2012Metric | R11, R14 |
| 3 | 100K 100k | R_0805_2012Metric | R15, R16, R17 |
PWB.003 design files
The KiCad project lives in the MuffinKing-jpeg/PWB.003 repository on GitHub; these links point at the commit this page was built from.
- LayoutPWB.003.kicad_pcb
- SchematicPWB.003.kicad_sch
- BOMproduction/bom.csv
PWB.003: common questions
How big is the PWB.003 PCB?
The PWB.003 measures 61 × 31.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the PWB.003?
48 components, from 29 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the PWB.003 design files?
From the MuffinKing-jpeg/PWB.003 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the PWB.003 design in my own project?
Yes, under the terms of its CERN-OHL-P-2.0 license, which MuffinKing-jpeg chose for the repository.
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