BenTo-Legacy
About the BenTo-Legacy PCB
BenTo-Legacy is an open source PCB design by benkuper, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 142 × 23 mm, with 76 components from 39 distinct parts.
Other key parts include the ESP-07v2, SN74LVC2T45DCU, FT230XQ, PCA9632 and S25FL***. By type, the board carries 27 capacitors, 20 resistors, 13 ICs, 9 connectors, 3 diodes and 2 inductors.
From the project
Legacy repository for the former BenTo-Club project
Main components on the BenTo-Legacy
BenTo-Legacy bill of materials (BOM)
76 components, 39 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP-07v2 | ESP-07v2 | U1 |
| 1 | SN74LVC2T45DCU | VSSOP-8 | U2 |
| 1 | FT230XQ | QFN-16-1EP_4x4mm_Pitch0.65mm | U3 |
| 1 | PCA9632 | TSSOP-8_3x3mm_Pitch0.65mm | U4 |
| 1 | S25FL*** | SOIC-16_7.5x10.3mm_Pitch1.27mm | U5 |
| 1 | MPU9250 | QFN-24-3x3mm_Pitch0.4mm | U6 |
| 1 | AT42QT1070-MMH | QFP_20_3x3mm_0.45mm_pitch | U7 |
| 1 | MPL3115A2 | LGA8 | U8 |
| 1 | LC709203F | WDFN-8-1EP_3x4mm_Pitch0.65mm | U9 |
| 1 | MCP73832 | SOT-23-5 | U10 |
| 1 | MIC5528-3.3YMT | DFN-6-1EP_1.2x1.2mm_Pitch0.4mm | U11 |
| 2 | MIC2876-5.0YMT | DFN-8-1EP_2x2mm_Pitch0.5mm | U12, U13 |
| 1 | USB-MICRO-B | MICRO_USB_B_MIDMOUNT_TH | CON1 |
| 1 | CONN_01X02 | Socket_Strip_Straight_1x02 | P1 |
| 2 | CONN_01X06 | MOLEX_90325-0006 | P2, P3 |
| 2 | CONN_01X03 | Conn_1x03_1-8mmDrill | P4, P5 |
| 1 | CONN_01X07 | Socket_Strip_Straight_1x07 | P6 |
| 2 | CONN_01X01 | SolderWirePad_single_2-5mmDrill | P7, P8 |
| 1 | SMD FUSE, 8A | Fuse_SMD1206_HandSoldering | F1 |
| 1 | SWITCH_INV | SPDT_MINI_SLIDE_SWITCH | SW1 |
Show 19 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Red | LED-0603 | D1 |
| 1 | Cree CLV1A | PLCC-4 | D2 |
| 1 | PMEG4050EP | SMA_Standard | D3 |
| 2 | 1uH, 4.5A (LQH5BPN1R0NT0L) | LQH5BP_Murata_ind | L1, L2 |
| 2 | 47pF | C_0603 | C1, C2 |
| 13 | 0.1uF | C_0603 | C3, C4, C5, C6, C7, C9, C10, C11 +5 |
| 1 | 10nF | C_0603 | C8 |
| 3 | 2.2uF | C_0603 | C14, C17, C19 |
| 2 | 10uF | C_0805 | C15, C16 |
| 2 | 4.7uF, 10V, X5R/X7R | C_0805 | C20, C21 |
| 2 | 2.2uF, 10V, X5R/X7R | C_0603 | C22, C23 |
| 2 | 22uF, 10V, ESR < 10mR, X5R/X7R | C_0805 | C26, C27 |
| 12 | 10k | R_0603 | R1, R4, R5, R6, R7, R13, R14, R15 +4 |
| 2 | 27R | R_0603 | R2, R3 |
| 1 | 1k | R_0603 | R8 |
| 1 | 220R | R_0603 | R9 |
| 2 | 100R | R_0603 | R10, R11 |
| 1 | 100k | R_0603 | R12 |
| 1 | 2k | R_0603 | R21 |
BenTo-Legacy design files
The KiCad project lives in the benkuper/BenTo-Legacy repository on GitHub; these links point at the commit this page was built from.
BenTo-Legacy: common questions
How big is the BenTo-Legacy PCB?
The BenTo-Legacy measures 142 × 23 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the BenTo-Legacy?
76 components, from 39 distinct parts. The full bill of materials is listed on this page.
Where can I download the BenTo-Legacy design files?
From the benkuper/BenTo-Legacy repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the BenTo-Legacy design in my own project?
Yes, under the terms of its GPL-3.0 license, which benkuper chose for the repository.