Lipo based power supply
About the Lipo based power supply PCB
Lipo based power supply is an open source PCB design by Alexgichamba, published on GitHub under the MIT license. It is a 2-layer board measuring 71 × 41 mm, with 41 components from 28 distinct parts.
Other key parts include the MCP73831-2-OT, BQ297XY, NTD4860NT4G, TPS61230ARNSR and TLV62569DBVR. By type, the board carries 13 resistors, 9 capacitors, 6 ICs, 6 connectors, 4 diodes and 2 inductors.
It belongs with the power & battery designs in this gallery.
From the project
Battery charger and battery protection PCB with 5V and 3V3 output rails for 1S LiPo battery
Main components on the Lipo based power supply
Lipo based power supply bill of materials (BOM)
41 components, 28 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP73831-2-OT | SOT-23-5 | U1 |
| 1 | BQ297XY BQ297xy | WSON-6_1.5x1.5mm_P0.5mm | U2 |
| 2 | NTD4860NT4G | DPAK229P990X238-4N | U3, U4 |
| 1 | TPS61230ARNSR | IC_TPS61230ARNSR | U5 |
| 1 | TLV62569DBVR | SOT95P280X145-5N | U6 |
| 1 | AO3401A | SOT-23 | Q1 |
| 1 | USB_B_Micro | USB_Micro-B_Wuerth_629105150521 | J1 |
| 1 | SCREW_TERMINAL_01X02 Screw_Terminal_01x02 | TerminalBlock_bornier-2_P5.08mm | J2 |
| 2 | CONN_01X04_MALE Conn_01x04_Male | PinHeader_1x04_P2.54mm_Vertical | J3, J4 |
| 2 | CONN_01X03_MALE Conn_01x03_Male | PinHeader_1x03_P2.54mm_Vertical | J5, J6 |
| 1 | C72044 RED | LED_0603_1608Metric | D1 |
| 3 | C434423 GREEN | LED_0603_1608Metric | D2, D3, D4 |
| 2 | 1U5 1u5 | SWPA3015S1R5NT | L1, L2 |
| 2 | 4.7UF 4.7uF | C_0603_1608Metric | C1, C2 |
| 1 | 0.1UF 0.1uF | C_0402_1005Metric | C3 |
| 2 | 10UF 10uF | C_0805_2012Metric | C4, C9 |
| 1 | 10NF 10nF | C_0603_1608Metric | C5 |
| 2 | 22UF 22uF | C_0805_2012Metric | C6, C7 |
| 1 | 4.7UF 4.7uF | C_0805_2012Metric | C8 |
| 3 | 1K5 1k5 | R_0402_1005Metric | R1, R2, R11 |
Show 8 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 2K0 2k0 | R_0402_1005Metric | R3 |
| 2 | 2K2 2k2 | R_0402_1005Metric | R4, R8 |
| 1 | 330R | R_0805_2012Metric | R5 |
| 1 | 316K 316k | R_0603_1608Metric | R6 |
| 1 | 100K 100k | R_0603_1608Metric | R7 |
| 1 | 510K 510k | R_0603_1608Metric | R9 |
| 1 | 115K 115k | R_0603_1608Metric | R10 |
| 2 | 5M1 | R_0603_1608Metric | R12, R13 |
Lipo based power supply design files
The KiCad project lives in the Alexgichamba/lipo-based-power-supply repository on GitHub; these links point at the commit this page was built from.
- Layoutdc-supply.kicad_pcb
- Schematicdc-supply.kicad_sch
- BOMmanufacturing/dc-supply-bom.csv
Lipo based power supply: common questions
How big is the Lipo based power supply PCB?
The Lipo based power supply measures 71 × 41 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Lipo based power supply?
41 components, from 28 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 Lipo based power supply design files?
From the Alexgichamba/lipo-based-power-supply 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 Lipo based power supply design in my own project?
Yes, under the terms of its MIT license, which Alexgichamba chose for the repository.
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