

ESP32-Mini32-OctalBuffer
ESP32 based LCC Boards
- Size
- 69.9 × 62.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 34
- Nets
- 61
- Pads
- 143
- Tracks, vias
- 196, 46
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 28 Dec 2022
- Updated
- 22 Oct 2026
Overview
ESP32-Mini32-OctalBuffer is an open-source printed circuit board by RobertPHeller, from the RobertPHeller/ESP32-LCC repository on GitHub. It is a 2-layer board of 69.9 × 62.2 mm with 34 parts on 61 nets, routed with 196 tracks and 46 vias.
It is built around the AP63205WU, TBD62083APG and RJ45. Its parts include 7 capacitors, 4 ICs, 4 connectors, 2 resistors and 2 diodes. It belongs with the ESP32 boards of this library.
Main components
3AP63205WU
TSOT-23-6-40℃~+85℃@(TA) 1 1.1MHz 22uA 2A 3.8V~32V 5V Buck Built-in Fixed Overcurrent Protection、Light load efficient mode、Cycle-by-cycle current limiting、Hiccup current limiting、EMI optimization (spread spectrum) Step-down type Yes TSOT-23-6 DC-DC Converters ROHSDiodes IncorporatedDC-DC ConvertersTBD62083APG
DIP-18-40℃~+85℃ 0.1mA 1uA 1uA 2V 30V 500mA 50V 8 DIP-18 Darlington Transistor Arrays ROHSToshibaDarlington Transistor ArraysRJ45
TH-12PTH-12P SMT ROHSJLCPCB AssemblyUncategorised
README
ESP32-16LedDriver/README.mdESP32-16LedDriver
16 on/off LED Driver board using a MCP23017.
Parts
34| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 22uf | Capacitors_SMD:C_0603 | C403, C404 |
| 2 | 60 Ohms | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R301, R302 |
| 2 | DFLS240-7 | Diodes_SMD:D_PowerDI-123 | D301, D302 |
| 2 | RJ45 | RJ45-8N-S:RJ45_8N-S | J301, J302 |
| 1 | DWSLogo:DWSLogoBCU | ||
| 1 | + 12V - | Terminal_Blocks:TerminalBlock_Pheonix_PT-3.5mm_2pol | J101 |
| 1 | - 15 in + | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_MPT-2.54mm_2pol | T301 |
| 1 | - 15 out + | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_MPT-2.54mm_2pol | T302 |
| 1 | .1 uf | Capacitors_SMD:C_0603 | C301 |
| 1 | 100nf | Capacitors_SMD:C_0603 | C402 |
| 1 | 10uf | Capacitors_SMD:CP_Elec_5x5.3 | C401 |
| 1 | 15 uf 15V | Capacitors_SMD:CP_Elec_4x5.7 | C302 |
| 1 | 4.7uH | Inductors_SMD:L_7.3x7.3_H4.5 | L401 |
| 1 | 47 nf | Capacitors_SMD:C_0603 | C303 |
| 1 | AP63205 | TO_SOT_Packages_SMD:TSOT-23-6_MK06A | U401 |
| 1 | C 1 2 3 4 5 6 7 8 9 | Terminal_Blocks:TerminalBlock_Pheonix_PT-3.5mm_9pol | J102 |
| 1 | LCC | LCC_LOGO:LCC_LOGO_9x9 | G*** |
| 1 | TBD62083A | Housings_SOIC:SOIC-18W_7.5x11.6mm_Pitch1.27mm | U101 |
| 1 | TCAN332DR | Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm | U301 |
| 1 | TTGO-T7_S3-V1.1 | ESP32_mini:ESP32_mini | U201 |
| 1 | Termination | Pin_Headers:Pin_Header_Straight_2x02_Pitch2.54mm | JP301 |
The 25 most common of 34 parts.
Questions
How big is the ESP32-Mini32-OctalBuffer PCB?
It measures 69.9 × 62.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ESP32-Mini32-OctalBuffer use?
34 parts, built around the AP63205WU, TBD62083APG and RJ45. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the ESP32-Mini32-OctalBuffer KiCad files?
From the RobertPHeller/ESP32-LCC repository on GitHub, at the commit this page was made from: the board is ESP32-Mini32-OctalBuffer/ESP32-Mini32-OctalBuffer.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the ESP32-Mini32-OctalBuffer design in my own project?
Its repository states no licence, so its author keeps all rights: ask RobertPHeller before reusing the design.
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