Buck2
About the Buck2 PCB
Buck2 is an open source PCB design by AUV-IITK, published on GitHub. It is a 2-layer board measuring 54 × 31.8 mm, with 22 components from 20 distinct parts.
Other key parts include the TPS40303DRCR. By type, the board carries 2 modules, 1 IC, 1 connector and 1 inductor.
From the project
This is the repository for AUV-IITK Electrical subsytem
This is the repository for AUV-IITK Electrical subsytem
Implementing new electrical design with multiple 2layer PCB and more compatible connectors making the electronics modular. Introducing : - Power Board for Power Management and routing with fault detection and indicators. - custom Microcontroller Board - ESC Breakout boards
Main components on the Buck2
Buck2 bill of materials (BOM)
22 components, 20 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TPS40303DRCR | TPS40303DRCR | U1 |
| 1 | 30V,56Amps | DQG_VSON-CLIP | M1 |
| 1 | 30V,35Amps | Q3A | M2 |
| 1 | 436500400 | 436500400 | J1 |
| 1 | 100nF,1mOhm | C_0402_1005Metric | Cbst1 |
| 1 | 2.2uF,1mOhm | CAPC2012X135N | Cbyp1 |
| 1 | 18nF,0Ohm | C_1812_4532Metric | Ccomp1 |
| 1 | 330pF,1mOhm | C_0402_1005Metric | Ccomp2 |
| 1 | 4.7nF,0Ohm | CAPC2012X75N | Ccomp3 |
| 2 | 10uF,1mOhm | C_1210_3225Metric | Cin1, Cin2 |
| 2 | 22uF,1mOhm | CAPC3225X270N | Cout1, Cout2 |
| 1 | 3.3nF,1mOhm | CAPC0603X33N | Css1 |
| 1 | 1uF,1mOhm | C_0805_2012Metric | Cvcc1 |
| 1 | 2.43kOhm | R_0402_1005Metric | Rcomp1 |
| 1 | 191Ohm | R_0402_1005Metric | Rcomp2 |
| 1 | 715Ohm | R_0402_1005Metric | Rfbb1 |
| 1 | 10kOhm | R_0201_0603Metric | Rfbt1 |
| 1 | 100kOhm | R_0402_1005Metric | Rpgood1 |
| 1 | 1.87kOhm | R_0402_1005Metric | Rs1 |
| 1 | SER2915L-223KL | IND_SER2915L-223KL | L1 |
Buck2 design files
The KiCad project lives in the AUV-IITK/electrical-systems repository on GitHub; these links point at the commit this page was built from.
- Layoutbuck_9v/buck2.kicad_pcb
Buck2: common questions
How big is the Buck2 PCB?
The Buck2 measures 54 × 31.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Buck2?
22 components, from 20 distinct parts. The full bill of materials is listed on this page.
Where can I download the Buck2 design files?
From the AUV-IITK/electrical-systems repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Buck2 design in my own project?
The repository has no license, so all rights stay with AUV-IITK. Use it as a reference, and ask the author before reusing the design.
