2s tps62902
About the 2s tps62902 PCB
2s tps62902 is an open source PCB design by molgan-tellus, published on GitHub. It is a 4-layer board measuring 55.9 × 20.3 mm, with 71 components from 16 distinct parts.
By type, the board carries 26 resistors, 24 capacitors, 8 ICs, 8 transistors, 4 inductors and 1 connector.
It belongs with the power & battery designs in this gallery.
From the project
2S-variant av 1stps62823 (f.d. fulltps62823): ingen inbyggd laddning — i stället tre lödöglor så att extern laddning kan kopplas in, antingen en 2S-laddare eller två 1S-laddare (TP4056) per cell. Ombord: cellskydd, strömmätning, alltid-på-LDO, två buckar (5 V + 3,3 V ur samma TPS
2S-variant av 1stps62823 (f.d. fulltps62823): ingen inbyggd laddning — i stället tre lödöglor så att extern laddning kan kopplas in, antingen en 2S-laddare eller två 1S-laddare (TP4056) per cell. Ombord: cellskydd, strömmätning, alltid-på-LDO, två buckar (5 V + 3,3 V ur samma TPS62902) och 1S-projektets brytbara π-filtrerade radioskenor för 2× SX1262.
Status 2026-08-04: schema klart (ERC 0, netlista↔expectednets maskinverifierad, 84 komponenter, 38 nät) och PCB-placering genererad: 55,88×20,32 mm, 4 lager, dubbelsidig, DRC 0 fel (severity error), 196/196 padnät verifierade, GND-zoner fyllda.…
2s tps62902 bill of materials (BOM)
71 components, 16 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | — | SOT-23-6 | U1, U8, U9 |
| 1 | — | VSSOP-10_3x3mm_P0.5mm | U4 |
| 1 | — | SOT-89-3 | U5 |
| 2 | — | Texas_RPJ0009A_VQFN-HR-9_1.5x2mm | U6, U10 |
| 1 | — | VQFN-16-1EP_3x3mm_P0.5mm_EP1.68x1.68mm | U7 |
| 1 | — | SOT-23-6 | Q1 |
| 7 | — | SOT-23 | Q3, Q4, Q5, Q6, Q8, Q9, Q10 |
| 1 | — | JST_PH_B3B-PH-K_1x03_P2.00mm_Vertical | J2 |
| 2 | — | L_0805_2012Metric | FB3, FB4 |
| 2 | — | L_Sunlord_SWPA4030S | L1, L2 |
| 12 | — | C_0603_1608Metric | C1, C2, C6, C7, C16, C18, C19, C21 +4 |
| 10 | — | C_0805_2012Metric | C8, C9, C10, C14, C15, C17, C20, C30 +2 |
| 2 | — | C_0402_1005Metric | C11, C31 |
| 23 | — | R_0603_1608Metric | R1, R2, R3, R9, R10, R11, R14, R17 +15 |
| 1 | — | R_2512_6332Metric | R5 |
| 2 | — | R_1206_3216Metric | R35, R37 |
2s tps62902 design files
The KiCad project lives in the molgan-tellus/2s_tps62902 repository on GitHub; these links point at the commit this page was built from.
- Layoutpower_2s.kicad_pcb
- Schematicpower_2s.kicad_sch
2s tps62902: common questions
How big is the 2s tps62902 PCB?
The 2s tps62902 measures 55.9 × 20.3 mm, has 4 copper layers and is 1 mm thick.
How many components are on the 2s tps62902?
71 components, from 16 distinct parts. The full bill of materials is listed on this page.
Where can I download the 2s tps62902 design files?
From the molgan-tellus/2s_tps62902 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the 2s tps62902 design in my own project?
The repository has no license, so all rights stay with molgan-tellus. Use it as a reference, and ask the author before reusing the design.
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