LTC6811 ESP32 V3
About the LTC6811 ESP32 V3 PCB
LTC6811 ESP32 V3 is an open source ESP32 PCB design by tetra-aero, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 320 × 55 mm, with 575 components from 45 distinct parts.
Its main chip is the ESP32-DEVKITC-32E, from the ESP32 family. Other key parts include the MCP23S17-E/SP, LMR51420XDDCR, LTC6820IMS#PBF, ISO1050DUBR and LTC6811HG-1#3ZZPBF. By type, the board carries 229 resistors, 119 capacitors, 66 diodes, 52 transistors, 52 fuses and 13 connectors.
Main components on the LTC6811 ESP32 V3
LTC6811 ESP32 V3 bill of materials (BOM)
575 components, 45 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP23S17-E/SP MCP23S17_SP | DIP-28_W7.62mm | U1 |
| 1 | LMR51420XDDCR | SOT-23-6_Handsoldering | U6 |
| 1 | ESP32-DEVKITC-32E ESP32-DevKitC V4 | ESP32-DevKitc V4_DIP-38_27.9mm×48.2mm | U8 |
| 1 | LTC6820IMS#PBF LTC6820 | MSOP-16_3x4mm_P0.5mm | U9 |
| 1 | ISO1050DUBR | SOP-8_6.62x9.15mm_P2.54mm | U10 |
| 4 | LTC6811HG-1#3ZZPBF LTC6811HG-1 | TSSOP-48_6.1x12.5mm_P0.5mm | U11, U12, U13, U14 |
| 4 | NSV1C201MZ4T1G NSV1C201MZ4 | SOT-223 | Q1, Q14, Q27, Q40 |
| 48 | TSM2323CX RFG TSM2323 | SOT-23 | Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9 +40 |
| 1 | G800W304018EU CAN /NC | PinHeader_1x04_P2.54mm_Vertical | J5 |
| 1 | 0039281023 Molex_5566-02A | Molex_Mini-Fit_Jr_5566-02A_2x01_P4.20mm_Vertical | J6 |
| 3 | 70543-0001 B2P-VH-B | JST_VH_B2P-VH-B_1x02_P3.96mm_Vertical | J9, J20, J21 |
| 8 | B7B-XH-A | JST_XH_B7B-XH-A_1x07_P2.50mm_Vertical_BAT_6S | J10, J11, J12, J13, J14, J15, J16, J17 |
| 52 | MPZ2012S102ATD25 | Fuse_0805_2012Metric | F1, F2, F3, F4, F5, F6, F7, F8 +44 |
| 3 | SolderJumper_3_Bridged12 | SolderJumper-3_P1.3mm_Open_Pad1.0x1.5mm_NumberLabels | JP1, JP2, JP3 |
| 1 | 208-8 SW_DIP_x08 | SW_DIP_SPSTx08_Slide_9.78x22.5mm_W7.62mm_P2.54mm | SW1 |
| 4 | B57355V5104F360 100K NTC SMD | R_0603_1608Metric | TH1, TH6, TH11, TH16 |
| 16 | MF52C1103F3380 10K NTC | R_Axial_DIN0204_L3.6mm_D1.6mm_P1.90mm_Vertical | TH2, TH3, TH4, TH5, TH7, TH8, TH9, TH10 +8 |
| 6 | HM2108NL | HM2108NL | TR1, TR2, TR3, TR4, TR5, TR6 |
| 5 | LTST-C190KRKT LED Red | LED_0603_1608Metric | D4, D9, D25, D41, D57 |
| 1 | ESD24VS2UE6327HTSA1 ESD24VS2U | SOT-23 | D5 |
Show 25 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 8 | 1N4148W-7-F 1N4148W | D_SOD-123 | D6, D7, D22, D23, D38, D39, D54, D55 |
| 4 | BZT52H-C62,115 BZT52H-C62 | D_SOD-123F | D8, D24, D40, D56 |
| 48 | PDZ7.5BZ PDZ7.5B | D_SOD-323_HandSoldering | D10, D11, D12, D13, D14, D15, D16, D17 +40 |
| 4 | BLM18PG330SN1D | R_0603_1608Metric | FB1, FB2, FB3, FB4 |
| 1 | SRP5030CC-3R3M 3.3uH | L_Bourns_SRP5030T | L1 |
| 83 | CL10B104KC8NNNC 100nF/100V | C_0603_1608Metric | C1, C2, C3, C4, C5, C6, C7, C8 +75 |
| 1 | GRM188R61E225KA12D 2.2uF/25V | C_0603_1608Metric | C20 |
| 2 | CL21A106KOQNNNE 10uF/16V | C_0805_2012Metric | C23, C25 |
| 18 | C0603X103K1RAC3316 10nF/100V | C_0603_1608Metric | C24, C26, C29, C30, C44, C45, C46, C47 +10 |
| 11 | 0603B105K250XD 1uF/25V | C_0603_1608Metric | C31, C33, C35, C38, C39, C64, C65, C90 +3 |
| 4 | CL10A475KO8NNNC 4.7uF/16V | C_0603_1608Metric | C40, C42, C43, C66 |
| 14 | ERJ-3EKF49R9V 49.9R | R_0603_1608Metric | R1, R2, R23, R24, R27, R28, R36, R37 +6 |
| 29 | RMCF0603JT10K0 10K | R_0603_1608Metric | R3, R4, R5, R6, R7, R8, R9, R10 +21 |
| 4 | RC0603JR-0751RL 51R | R_0603_1608Metric | R25, R26, R29, R32 |
| 1 | RC0603JR-07100KL 100K | R_0603_1608Metric | R30 |
| 1 | RMCF0603FT22K1 22.1K | R_0603_1608Metric | R31 |
| 1 | RC0603JR-07470RL 470R | R_0603_1608Metric | R33 |
| 10 | RC0603FR-071KL 1K | R_0603_1608Metric | R35, R38, R42, R47, R54, R93, R97, R98 +2 |
| 1 | RC0603FR-072KL 2K | R_0603_1608Metric | R39 |
| 56 | RC0603FR-07100RL 100R | R_0603_1608Metric | R40, R41, R56, R59, R62, R65, R68, R71 +48 |
| 8 | RC0603JR-070RL 0 | R_0603_1608Metric | R43, R45, R94, R96, R145, R147, R196, R198 |
| 4 | RC0603JR-071ML 1M | R_0603_1608Metric | R44, R95, R146, R197 |
| 4 | RC0603JR-071K2L 1.2K | R_0603_1608Metric | R48, R99, R150, R201 |
| 48 | RTT25360JTE 36R 1W 2512 | R_2512_6332Metric | R55, R58, R61, R64, R67, R70, R73, R76 +40 |
| 48 | RC0603FR-073K3L 3.3K | R_0603_1608Metric | R57, R60, R63, R66, R69, R72, R75, R78 +40 |
LTC6811 ESP32 V3 design files
The KiCad project lives in the tetra-aero/LTC6811_ESP32 repository on GitHub; these links point at the commit this page was built from.
LTC6811 ESP32 V3: common questions
What microcontroller does the LTC6811 ESP32 V3 use?
The LTC6811 ESP32 V3 is built around the ESP32-DEVKITC-32E, from the ESP32 family.
How big is the LTC6811 ESP32 V3 PCB?
The LTC6811 ESP32 V3 measures 320 × 55 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the LTC6811 ESP32 V3?
575 components, from 45 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 LTC6811 ESP32 V3 design files?
From the tetra-aero/LTC6811_ESP32 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 LTC6811 ESP32 V3 design in my own project?
Yes, under the terms of its GPL-3.0 license, which tetra-aero chose for the repository.
Can I test firmware for the LTC6811 ESP32 V3 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
More boards in LTC6811_ESP32
Earlier revisions in the repo: LTC6811_ESP32_V2, LTC6811_ESP32_V1p31, LTC6811_ESP32_V1p4, LTC6811_ESP32_V1p3, LTC6811_ESP32_V1p2, LTC6811_ESP32_V1.0, LTC6811_ESP32
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